1 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
3 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
5 2000-02-18 Geoff Keating <geoffk@cygnus.com>
7 * invoke.texi (Warning Options): Add an explanation of why
8 you might want the -Wfloat-equal flag.
10 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13 * cppinit.c (new_pending_define): Add cast to avoid warning.
14 * expmed.c (extract_bit_field): Likewise.
15 * flow.c (enum reorder_skip_type): New type.
16 (skip_insns_between_blcok): New it.
17 Rework to avoid warning about possibly undefined variable.
18 * function.c (assign_parms): Make thisparm_boundary unsigned.
19 * genrecog.c (write_switch): Cast XWINT result to int.
20 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
21 * mips-tfile.c (init_file): Make two versions of FDR intializer:
22 one for MIPS and one for Alpha.
23 (get_tag, copy_object): Add casts to avoid warnings.
24 * optabs.c (init_one_libfunc): Cast NAME to (char *).
25 * reload.c (find_reloads): Make TYPE enum reload_type.
26 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
27 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
28 * varasm.c (compare_constant_1): Add cast to avoid warning.
29 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
31 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
32 Cast switch operand of size to int.
33 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
34 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
37 2000-02-18 Nick Clifton <nickc@cygnus.com>
39 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
40 anything for an alignment of zero.
42 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
43 anything for an alignment of zero.
45 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
47 * gcc.texi (Bug Reporting): Refer to bugs.html.
48 (Bug Lists): Likewise.
49 * system.h (GCCBUGURL): New preprocessor define.
50 * rtl.c (fancy_abort): Use it.
51 * gcc.c (main): Likewise.
53 2000-02-18 Richard Henderson <rth@cygnus.com>
55 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
56 (life_analysis_1): Subsume into ...
57 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
58 Use update_life_info for the relaxation.
59 (update_life_info): Update REG_BASIC_BLOCK for registers live on
60 entry and regs_live_at_setjmp.
61 (set_noop_p): Simplify.
62 (notice_stack_pointer_modification_1): Renamed from s/_1//.
63 (record_volatile_insns): Split into ...
64 (delete_noop_moves): ... here,
65 (notice_stack_pointer_modification): ... here,
66 (insn_dead_p): ... and here.
67 (propagate_block): Don't query INSN_VOLATILE.
68 (mark_used_regs): Mind !PROP_REG_INFO.
69 * toplev.c (rest_of_compilation): Call mark_constant_function here,
72 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
74 * loop.c (canonicalize_condition): New function,
75 broken out of get_condition.
76 (get_condition): Use it.
77 * expr.h (canonicalize_condition): Prototype it.
79 * tree.h (tree_int_cst_msb): Declare.
80 * tree.c (tree_int_cst_msb): New function.
82 2000-02-17 Mark Mitchell <mark@codesourcery.com>
84 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
87 * invoke.texi (-fmessage-length=n): Document.
89 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
91 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
93 2000-02-17 Mark Mitchell <mark@codesourcery.com>
95 * function.c (thread_prologue_and_epilogue_insns): Put a line note
98 2000-02-17 Nick Clifton <nickc@cygnus.com>
100 * config/arm/thumb.c: Replace includes of system headers with
103 2000-02-16 Richard Henderson <rth@cygnus.com>
105 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
106 Add crtbeginS.o and crtendS.o.
107 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
108 (ENDFILE_SPEC): Use crtendS.o.
109 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
111 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
112 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
114 (__dso_handle): New variable.
115 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
116 bias to __CTOR_END__.
118 2000-02-16 Richard Henderson <rth@cygnus.com>
120 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
122 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
124 * longlong.h (__clz_tab): Declare as static to match definition.
126 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
127 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
128 (XREF_FILE_NAME): Define.
130 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
131 (EH_FRAME_SECTION_ASM_OP): Define.
132 (IDENT_ASM_OP): Define.
133 (TEXT_SECTION_ASM_OP): Define.
135 (CTORS_SECTION_ASM_OP): Define.
136 (CTOR_SECTION_FUNCTION): Use it.
137 (DTORS_SECTION_ASM_OP): Define.
138 (DTOR_SECTION_FUNCTION): Use it.
140 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
142 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
145 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
146 debug_bb_n): New functions.
147 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
148 * basic-block.h: Prototype new functions.
150 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
152 * configure.in: Add support for avr target.
153 * configure: Rebuilt.
155 * invoke.texi: Add AVR invocation docs.
156 * install.texi: Add information about AVR.
157 * md.texi: Add AVR constraint letters description.
158 * extend.texi: Add description for AVR specific attributes.
160 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
162 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
164 2000-02-16 Nick Clifton <nickc@cygnus.com>
166 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
167 (make_insn_raw): Move RTL check here.
169 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
171 * version.c: Include gansidecl.h and version.h.
173 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
175 * configure.in (gcc_version): When setting, narrow search to
176 lines containing `version_string'.
178 * Makefile.in (mainversion): Likewise.
179 (GCC_H): New variable.
180 (gcc.h): Delete target.
181 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
182 (version.o): Depend on version.h.
183 (dbxout.o): Don't depend on gcc.h.
185 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
186 Michael Meissner <meissner@cygnus.com>
188 * md.texi (Simple Constraints): Add item about whitespace.
189 * genoutput.c (strip_whitespace): New.
190 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
191 strip_whitespace for constraints.
192 Test pointer using NULL, not 0.
194 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
196 * cpplib.c (do_line): Pedwarn for #line > 32767.
198 * c-lex.c (readescape): Warn about '\x', but do not reject it.
200 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
202 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
204 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
205 * cpp.texi: Document __GNUC_PATCHLEVEL__.
208 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
211 2000-02-15 Denis Chertykov <denisc@overta.ru>
213 * configure.in: Add support for avr target.
215 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
217 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
218 (sh_addr_diff_vec_mode): Don't declare.
219 * sh.c (sh_addr_diff_vec_mode): Delete.
221 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
223 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
225 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
227 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
228 (smulsi3_highpart_i): Name.
229 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
230 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
231 (smulsi3_highpart, umulsi3_highpart): Likewise.
233 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
234 correctly independent of endianness.
235 (mulsidi3, umulsidi3): Now define_insn. Hide details that
236 confuse the optimizers.
237 (mulsidi3+1, umulsidi3+1): New define_split.
239 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
241 * config/sh/sh.md: Guard insn splits against illegal registers.
242 * config/sh/sh.h: Correct comment about macros.
244 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
245 Andrew MacLeod <amacleod@cygnus.com>
247 * Makefile.in (lcm.o): Depend on insn-attr.h.
248 * basic-block.h (optimize_mode_switching): Declare.
249 * lcm.c (tm_p.h, insn-attr.h): #include.
250 (seginfo, bb_info): New structs.
251 (antic, transp, comp, delete, insert) : New file-scope static variables.
252 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
253 (reg_becomes_live, optimize_mode_switching): Likewise.
254 * tm.texi: Add description of mode switching macros.
255 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
257 * sh-protos.h (remove_dead_before_cse): Remove prototype.
258 (fldi_ok, fpscr_set_from_mem): New prototypes.
259 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
260 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
261 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
262 (sh_flag_remove_dead_before_cse): Remove declaration.
263 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
264 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
265 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
266 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
267 (barrier_align): Allow for JUMP_INSNS containing a parallel.
268 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
269 (fldi_ok): New function.
270 (get_fpscr_rtx): Add fpscr_rtx as GC root.
271 (emit_sf_insn): Only generate fpu switches when optimize < 1.
272 (emit_df_insn): Likewise.
273 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
274 (sh_flag_remove_dead_before_cse): Delete.
275 (get_free_reg, fpscr_set_from_mem): New functions.
276 * sh.md (movdf, movsf): Remove no_new_pseudos code.
277 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
279 2000-02-15 Loren Rittle <ljrittle@acm.org>
281 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
283 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
286 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
288 * cccp.c: Include version.h and/or don't declare `version_string'.
289 * collect2.c: Likewise.
291 * arm/aof.h: Likewise.
292 * arm/coff.h: Likewise.
293 * arm/elf.h: Likewise.
294 * arm/pe.h: Likewise.
295 * arm/tcoff.h: Likewise.
296 * arm/telf.h: Likewise.
297 * arm/tpe.h: Likewise.
298 * arm/vxarm.h: Likewise.
299 * convex/convex.c: Likewise.
300 * i386/dgux.c: Likewise.
301 * i386/sun386.h: Likewise.
302 * m88k/m88k.c: Likewise.
303 * mcore/mcore-pe.h: Likewise.
304 * mips/mips.h: Likewise.
305 * romp/romp.h: Likewise.
307 * cpphash.c: Likewise.
308 * cppinit.c: Likewise.
309 * dwarf2out.c: Likewise.
310 * dwarfout.c: Likewise.
313 * mips-tfile.c: Likewise.
314 * protoize.c: Likewise.
315 * toplev.c: Likewise.
318 * version.c (version_string): Constify a char*.
320 * version.h: New file.
322 2000-02-14 Nick Clifton <nickc@cygnus.com>
324 * configure.in: Add mcore-elf and mcore-pe targets.
325 * configure: Regenerate.
327 * NEWS: Add note that MCore port has been contributed.
329 * invoke.texi: Document command line switches for MCore port.
330 * install.texi: Add MCore to list of supported targets.
332 2000-02-14 Geoff Keating <geoffk@cygnus.com>
334 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
335 then we will need to import the frame handling functions.
336 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
337 to import the frames themselves.
339 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
340 Jason Eckhardt <jle@cygnus.com>
342 * basic_block.h: Added prototype for reorder_basic_blocks.
343 * toplev.c: Changes to add -freorder-blocks and graph dump after
344 block reordering is done.
345 * flow.c (reorder_block_def): New structure for use during block
347 (REORDER_BLOCK_*): New macros to access members of above structure.
348 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
349 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
350 functions for block reordering.
352 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
354 * gcc.texi (Passes): Fix typo.
355 * md.texi (Standard Names): Ditto.
356 * tm.texi (Storage Layout): Ditto.
358 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
360 * cpplib.c (do_define): Only free the old definition if it
363 2000-02-13 Neil Booth <NeilB@earthling.net>
365 * cppfiles.c (read_and_prescan): When emitting deferred
366 newlines, test speccase[] again instead of checking each
367 possible whitespace character in turn. When we encounter \r,
368 look behind for \n first, then ahead.
370 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
372 * cse.c (cse_altered): New internal flag.
373 (cse_insn): Set it if we changed an insn.
374 (cse_main): Clear cse_altered before each basic block.
375 Only garbage collect if cse_altered is true afterward.
377 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
379 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
381 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
383 * combine.c (simplify_comparison): Fix typo.
385 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
387 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
390 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
392 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
393 previously inserted node instead of root node. Caller changed.
395 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
397 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
399 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
401 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
402 __dereg_frame_dtor): Add prototype argument.
404 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
406 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
408 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
410 * gthr-vxworks.h (__gthread_once): Likewise.
412 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
414 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
416 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
417 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
418 stack pointer in functions w/o saved registers, output LEAVE more often
419 on TARGET_USE_LEAVE machines.
421 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
423 * config/arm/arm.c (arm_init_cumulative_args); New function:
424 Initlaise the CUMULATIE_ARGS strcuture for a function
426 (arm_function_arg): New function: Determine where to place a
427 function's argument. Also handles deciding the function's
429 (current_file_function_operand): New function: Return true if
430 the symbol is a function which has already been compiled.
431 (arm_is_long_call_p): New function: Return true if the
432 indicated function should be called via a long call.
433 (arm_valid_type_attribute_p): New function: Return true if the
434 attribute is a valid, arm specific, attribute.
435 (arm_comp_type_attribute): New function: Return true if the
436 two types have compatable, arm specific, attributes.
438 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
440 (FUNCTION_ARG): Redefine to call arm_function_arg.
441 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
443 (INIT_CUMULATIVE_ARGS): Redefine to call
444 arm_init_cumulative_args.
445 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
447 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
449 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
451 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
452 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
453 (COMP_TYPE_ATTRIBUTES): Define.
455 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
456 if a long call is needed.
457 (call_value): Call arm_is_long_call_p to decide if a long call
459 (call_symbol): Call arm_is_long_call_p to decide if a long call
462 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
464 2000-02-11 Denis Chertykov <denisc@overta.ru>
466 * README.AVR: New file with information about the avr ports.
467 * config/avr: New directory with avr port files.
469 2000-02-11 Andreas Jaeger <aj@suse.de>
471 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
473 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
475 * cpphash.c: Fix formatting, update commentary.
476 (dump_definition): Take three separate arguments instead of a
477 MACRODEF structure argument.
478 * cpphash.h: Update prototype of dump_definition.
479 * cppinit.c (cpp_finish): Update call of dump_definition.
481 * cpplib.c (do_define): Always create new hash entry with
482 T_MACRO type. Remove redundant check for redefinition of
483 poisoned identifier. Update call of dump_definition.
484 (do_undef): Don't call check_macro_name. Rename sym_length to
486 (do_error, do_warning): Don't use copy_rest_of_line or
488 (do_warning): Don't use pedwarn for the actual warning,
489 only the notice about its not being in the standard. (Fixes
490 bug with #warning in system headers.)
491 (do_ident): Stricter argument checking - accept only a single
492 string after #ident. Also, macro-expand the line.
493 (do_xifdef): Use cpp_defined. De-obfuscate.
495 (do_pragma): Split out specific pragma handling to separate
496 functions. Use get_directive_token. Update commentary. Do
497 not pass on #pragma once or #pragma poison to the front end.
498 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
499 do_pragma_default): New.
501 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
503 * jump.c (jump_optimize_1): The first operand in a relational
505 * optabs.c (emit_conditional_move): Handle relationals which
506 have a known true/false result.
508 2000-02-11 Geoff Keating <geoffk@cygnus.com>
510 * function.c (thread_prologue_and_epilogue_insns): Don't insert
511 a RETURN insn into a block which already ends with a jump.
513 2000-02-11 Geoff Keating <geoffk@cygnus.com>
515 * haifa-sched.c (BUF_LEN): Increase a lot.
517 2000-02-11 Nick Clifton <nickc@cygnus.com>
519 * configure.in: Add tm_p_file specification for thumb targets.
520 * configure: Regenerate.
522 * config/arm/thumb-protos.h: New file: Prototypes for exported
523 functions defined in thumb.c.
525 2000-02-11 Robert Lipe <robertl@sco.com>
527 * Makefile.in (bootstrap-lean): Remove additional files.
528 (bootstrap2-lean): Likewise.
529 (VOL_FILES): List of files for above.
531 2000-02-11 Nathan Sidwell <nathan@acm.org>
533 * cpphash.c (special_symbol): Remove spurious argument to
536 2000-02-11 Joel Sherrill (joel@OARcorp.com>
538 * configure.in: (i*86-*-rtems*): Swapped elf and coff
540 * configure: Rebuilt.
542 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
544 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
546 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
548 * pa.c, pa.h: Remove trigraph sequences within comments.
550 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
552 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
554 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
556 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
558 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
560 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
562 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
564 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
565 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
566 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
567 (ASM_FILE_END): Use c4x_file_end.
568 * config/c4x/c4x.c (c4x_global_label): New function.
569 (c4x_external_ref, c4x_file_end): Likewise.
571 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
572 (c4x_external_ref, c4x_end_file): Likewise.
574 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
576 * cppexp.c: Don't include cpphash.h.
577 (parse_charconst, cpp_lex): Use cpp_defined.
578 (cpp_lex): Use get_directive_token throughout. Remove
579 unnecessary cases from switch. Move assertion-handling code
581 (cpp_parse_expr): If we see '+' or '-', check the context to
582 determine if they are unary or binary operators. Streamline
583 the jumps a bit. Do not call skip_rest_of_line.
585 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
586 static. Export get_directive_token. Update commentary.
587 (cpp_defined): New function.
588 (do_define): Remove reference to T_PCSTRING. Call
589 free_definition to release memory for old definition, when
591 (eval_if_expression): Set only_seen_white to 0 before calling
592 cpp_parse_expr. Call skip_rest_of_line after it returns.
593 (cpp_read_check_assertion): Don't preserve a pointer into the
594 token buffer across a call to cpp_get_token.
596 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
597 * cppfiles.c (redundant_include_p): Use cpp_defined.
598 * cpphash.c (free_definition): New function.
599 (delete_macro): Use it. Update commentary.
600 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
602 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
603 from enum node_type. Prototype cpp_defined and get_directive_token.
604 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
606 * fix-header.c (check_macro_names): Use cpp_defined.
607 (read_scan_file): Set inhibit_warnings and inhibit_errors in
608 the options structure.
610 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
612 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
614 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
616 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
617 rather than die->die_tag.
619 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
621 * combine.c (make_extraction, force_to_mode): Avoid warning on
622 mixed-signedness conditionals.
623 (make_field_assignment, nonzero_bits): Likewise.
624 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
625 (store_split_bit_field, extract_split_bit_field): Likewise.
626 (extract_fixed_bit_field, store_bit_field,
627 * expr.c: Change alignment to be unsigned everywhere.
628 (move_by_pieces, store_constructor_field, store_constructor):
629 Alignment parm is unsigned.
630 (emit_block_move, emit_group_load, emit_group_store): Likewise.
631 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
632 (do_compare_rtx_and_jump): Likewise.
633 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
634 Compare align with GET_MODE_ALIGNMENT.
635 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
636 (get_inner_reference): Likewise.
637 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
638 (expand_assignment): Local vars for alignment now unsigned.
639 (store_constructor, store_field, expand_expr, do_jump): Likewise.
640 (do_compare_and_jump): Likewise.
641 (store_field): Call new function expr_align.
642 * expr.h (emit_block_move, emit_group_load, emit_group_store):
643 Alignment arg now unsigned.
644 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
645 (do_compare_rtx_and_jump, store_bit_field): Likewise.
646 (extract_bit_field): Likewise.
647 * fold-const.c (add_double): Add cast to eliminate signedness warning.
648 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
649 (get_best_mode): Alignment arg is unsigned.
650 * rtl.h (move_by_pieces): Likewise.
651 * store-layout.c (maximum_field_alignment, set_alignment):
653 (layout_decl): Alignment arg is now unsigned.
654 Remove unneeded casts.
655 (layout_record, layout_union, layout_type): Remove unneeded casts.
656 Local alignment variables now unsigned.
657 (get_best_mode): Alignment arg now unsigned.
658 * tree.c (expr_align): New function.
659 * tree.h (expr_align): Likewise.
660 (maximum_field_alignment, set_alignment): Now unsigned.
661 (get_inner_reference): Alignment argument is now pointer to unsigned.
662 * varasm.c (assemble_variable): Add cast to eliminate warning.
664 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
666 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
667 then store directly into op0.
669 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
670 the CALL_INSN, and emit the note immediately after it.
672 2000-02-10 Nick Clifton <nickc@cygnus.com>
674 * config/arm/thumb.md (epilogue): Include a (return) in the
675 generated insn, and emit it using emit_jump_insn not
678 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
680 * function.c (assign_temp): Change zero-sized arrays to size 1.
681 * integrate.c (expand_inline_function): Do not update
682 stack_alignment_needed
683 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
684 add some sanity checking, remove optimization for function with
687 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
689 * flow.c (mark_regs_live_at_end): Delete unused variables.
691 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
693 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
694 in macro FRAME_GROWS_DOWNWARD.
696 * stmt.c (expand_end_bindings): Delete unused variable.
698 * unroll.c (iteration_info): Mark parameter `loop' with
701 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
703 * fixinc/server.c (load_data): Return NULL if the marker line is
705 (run_shell): If load_data returns NULL, retry the command once, in
708 * configure: Rebuilt.
710 2000-02-09 Bruce Korb <bkorb@gnu.org>
712 * gcc/fixincludes: ** DELETED **
713 * gcc/fixcpp: ** DELETED **
714 * gcc/fixinc-nt.sed: ** DELETED **
715 * gcc/just-fixinc: ** DELETED **
716 * gcc/Makefile.in: Removed out-dated commentary
717 * gcc/configure.in: Removed fast-fixincludes disablement.
718 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
720 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
721 * function.c (thread_prologue_and_epilogue_insns): Uncomment
724 2000-02-09 Richard Henderson <rth@cygnus.com>
726 * jump.c (delete_insn): Don't delete user labels at -O0.
728 2000-02-09 Robert Lipe <robertl@sco.com>
730 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
731 Don't link with HOST_LIBS.
733 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
735 * configure.in: Correct --help text for --with-dwarf2.
736 Put tm-dwarf2.h after other tm files, if it's requested.
737 * configure: Regenerate.
738 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
741 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
743 * cpplib.h: Provide HASHNODE typedef and forward decl of
744 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
745 DEFINITION, struct hashnode, struct macrodef, struct
746 definition, scan_decls prototype, default defn of
747 INCLUDE_LEN_FUDGE moved elsewhere.
749 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
750 definition, and struct hashnode moved here. Remove the unused
751 'predefined' field from struct definition. Replace the 'args'
752 union with its sole member. All users updated (cpphash.c).
753 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
754 multiple include guard.
756 * cpphash.c (hashf): Make static; use better algorithm; drop
757 HASHSIZE parameter; return an unsigned int.
758 (cpp_lookup): Drop HASH parameter. PFILE parameter is
759 used. Calculate HASHSIZE modulus here.
760 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
762 (create_definition): Drop PREDEFINITION parameter.
763 * cpplib.c (do_define): Don't calculate a hash value here.
764 Don't pass (keyword == NULL) to create_definition.
766 * scan.h: Prototype scan_decls here.
767 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
768 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
769 callers of cpp_lookup and cpp_install updated.
771 * cpphash.c (macarg): Hoist all the flag diddling out of the
773 (macroexpand): ... and out of the loop that calls macarg.
774 Skip over the initial paren before macro arguments with
775 cpp_get_non_space_token; point may be some distance before
776 that paren. Abort if it's not there.
778 * cpplib.c (parse_clear_mark): Delete function.
779 (parse_set_mark, parse_goto_mark): Make static.
780 (ACTIVE_MARK_P): New macro.
781 (skip_block_comment, skip_line_comment): Do not bump the line
782 if ACTIVE_MARK_P is true.
783 (cpp_pop_buffer): The buffer to be popped may not have an
785 (cpp_get_token): When looking for the initial paren before
786 macro arguments, only set a mark in a file buffer, Always
787 return to that mark before proceeding to call macroexpand or
790 * cpplib.h: Remove prototypes of parse_set_mark,
791 parse_clear_mark, parse_goto_mark.
792 (struct cpp_options): Rename 'put_out_comments' to
793 'discard_comments' and invert its sense.
794 * cppinit.c, cpphash.c, cpplib.c: All users of
795 put_out_comments changed to use discard_comments, with
798 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
800 * function.c (thread_prologue_and_epilogue_insns): Don't delete
801 the edge from a block that both jumps and falls through to the
804 2000-02-09 Scott Bambrough <scottb@netwinder.org>
806 * config/arm/arm.md (movsi): In PIC mode, make sure that a
807 constant source address is legitimate.
809 2000-02-09 Philip Blundell <pb@futuretv.com>
811 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
814 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
816 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
818 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
820 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
821 ends with a newline and a NUL. Don't be so clever manipulating
824 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
826 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
827 not to BIGGEST_ALIGNMENT.
829 2000-02-08 Geoff Keating <geoffk@cygnus.com>
831 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
832 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
833 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
834 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
835 * frame.c (execute_cfa_insn): Handle
836 DW_CFA_GNU_negative_offset_extended.
838 2000-02-08 Richard Henderson <rth@cygnus.com>
840 * flow.c (tidy_fallthru_edges): Split out from ...
841 (delete_unreachable_blocks): ... here.
842 (find_basic_blocks): Use it.
844 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
846 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
848 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
850 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
851 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
852 (fix-header.o): Don't depend on cpphash.h.
854 * scan.c (hashstr): New function.
855 * scan.h: Prototype it.
856 * fix-header.c: Don't include cpphash.h. Use hashstr.
857 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
858 hashstr. Report hash table statistics. Add private
859 definition of xrealloc.
861 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
863 * i386.h (TARGET_SWITCHES): Fix typo in option name.
865 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
867 * function.c (thread_prologue_and_epilogue_insns): Don't replace
868 jumps with returns unless they are jumps to the fallthru block.
870 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
872 * i386.md (addqi3_cc): Fix contraints.
874 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
876 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
878 2000-02-07 Mark Mitchell <mark@codesourcery.com>
880 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
881 carriage return after a macro name.
883 2000-02-07 Fred Fish <fnf@be.com>
885 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
886 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
888 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
890 * cppfiles.c (deps_output): Count spacers in deps_column.
892 2000-02-07 Neil Booth <NeilB@earthling.net>
894 * cppinit.c (initialize_dependency_output): If there is no
895 suffix, don't try to look for known suffixes. Use strrchr.
896 (cpp_start_read): Remove duplicate initialization.
898 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
900 * calls.c (compute_argument_block_size): New argument
901 preferred_stack_boundary.
902 (expand_call): update cfun->preferred_stack_boundary, update call of
903 compute_argument_block_size
904 (emit_library_call): Increate cfun->preferred_stack_boundary
905 to PREFERRED_STACK_BOUNDARY
906 (emit_library_call_value): Likewise.
907 * explow.c (allocate_dynamic_stack_spave): Likewise.
908 * function.c (prepare_function_start): Set
909 cfun->preferred_stack_boundary
910 * function.h (struct function): Add preferred_stack_boundary field.
911 * integrate.c (expand_inline_function): Update
912 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
913 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
914 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
916 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
918 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
919 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
920 cpp_pedwarn, cpp_pedwarn_with_line,
921 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
922 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
923 v_cpp_error_with_line, v_cpp_warning_with_line,
924 cpp_message_from_errno, cpp_perror_with_name): Delete.
926 * cpperror.c (cpp_print_containing_files): Take starting
928 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
929 (v_cpp_message): Now called directly by all entry points.
931 (cpp_pfatal_with_name, cpp_message): Delete.
932 (cpp_notice_from_errno, cpp_ice): New functions.
933 (cpp_notice): Is now for reporting error conditions, just
934 without an associated file.
935 (cpp_error, cpp_error_with_line): Don't do anything if
936 opts->inhibit_errors is on.
937 (cpp_pedwarn_with_file_and_line): Take column argument also.
939 * cpplib.h: Update prototypes of exported functions.
940 (struct cpp_options): Add inhibit_errors.
942 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
943 non-error messages. Include intl.h.
945 * cppinit.c, cppmain.c: Likewise. Also, use
946 cpp_notice_from_errno instead of cpp_perror_with_name or
947 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
949 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
950 report internal errors.
952 * cpplib.c (do_define): Switch bcopy to memcpy.
953 Give cpp_pedwarn_with_file_and_line a dummy column argument.
955 * cpplib.c (copy_rest_of_line): Revert previous change: don't
956 bail out early if we hit a line comment.
958 2000-02-06 Richard Henderson <rth@cygnus.com>
960 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
961 * basic-block.h: Declare them.
962 * emit-rtl.h (active_insn_p): New.
963 (next_active_insn, prev_active_insn): Use it.
965 * function.c (emit_return_into_block): New.
966 (thread_prologue_and_epilogue_insns): Insert return insns instead
967 of epilogues when possible.
968 * jump.c (jump_optimize_1): Remove code to insert a return insn
969 on the fallthru to the exit block.
971 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
972 and for non-empty stack frames.
973 * i386.md (return): Expand to return-pop as needed.
975 2000-02-06 Richard Henderson <rth@cygnus.com>
977 * simplify-rtx.c (simplify_relational_operation): Canonicalize
978 constant to op1 for testing.
980 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
982 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
983 (fixuns_truncqfqi2): Use it.
985 2000-02-06 Richard Henderson <rth@cygnus.com>
987 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
990 * i386.md (widening and peepholes): Mask the constant instead of
993 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
995 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
996 input pointer before possibly branching off to the backslash
998 * cpphash.c (macroexpand): Correctly delete \r escapes when
999 stringifying parameters.
1000 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
1001 if we can; bail out early if we hit a line comment.
1002 (handle_directive): Treat '# 123' in an .S file just like
1003 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
1004 Return 1 for '# not_a_directive'.
1005 (get_directive_token): Pop macro buffers here, so that
1006 cpp_get_token can't sneakily move past a newline.
1008 (cpp_get_token): goto randomchar if handle_directive returns 0.
1010 * cppalloc.c: Update copyright.
1011 * cpplib.c: Merge all the static function prototypes into one
1013 * cpplib.h: Remove #if 0 block.
1015 * cpperror.c: Remove #ifdef EMACS block.
1016 * cppmain.c: Likewise.
1017 * cpphash.c: Remove #if 0 blocks.
1018 * cppinit.c: Remove #if 0 blocks, and the -lint option.
1019 * cpplib.c: Remove #if 0 blocks and code referencing
1020 pcp_inside_if or for_lint. Remove duplicate error message.
1021 Fix error messages for #else after #else or #elif. Reformat.
1022 Remove archaic TODO list.
1023 * cpplib.h: Remove pcp_inside_if and for_lint flags.
1025 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
1027 * i386/osf1elf.h: Add missing backslash to multiline string.
1029 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1031 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
1033 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1035 * Makefile.in (c-common.o): Depend on $(EXPR_H).
1037 * c-common.c: Include expr.h.
1039 * c-pragma.c (mark_align_stack): Add prototype.
1041 * caller-save.c (add_stored_regs): Likewise.
1043 * combine.c (record_promoted_value): Likewise.
1045 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
1048 * cppinit.c (new_pending_define): Likewise.
1050 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
1052 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
1053 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
1054 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
1055 class_scope_p): Likewise.
1057 * dwarf2out.h (dwarf2out_set_demangle_name_func,
1058 dwarf2out_add_library_unit_info): Likewise.
1060 * ggc.h (ggc_page_print_statistics): Likewise.
1062 * haifa-sched.c (propagate_deps): Likewise.
1064 * reg-stack.c (next_flags_user, record_label_references): Likewise.
1066 * rtl.h (set_stack_check_libfunc): Likewise.
1068 * toplev.h (set_fatal_function): Likewise.
1070 * toplev.c (set_fatal_function): Delete prototype.
1072 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
1074 2000-02-05 Geoff Keating <geoffk@cygnus.com>
1076 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
1077 (FUNC_END): Likewise.
1079 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1081 * caller-save.c: Include tm_p.h.
1083 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1085 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
1087 2000-02-04 Neil Booth <NeilB@earthling.net>
1089 * cccp.c (main): Check 'dir' for a NULL pointer before passing
1092 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
1094 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
1095 * genflags.c: Use the max_operand_1 logic from genemit.c to
1096 calculate how many arguments gen_insn prototypes have. Remove
1097 NO_MD_PROTOTYPES ifdefs from the generated file.
1098 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
1099 file. Cast gen_insn initializers to insn_gen_fn.
1100 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
1101 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
1103 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1105 * fixinc/Makefile.in (HDR): Add machname.h.
1108 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1110 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
1111 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
1112 (c4x_cpu_version): Ditto.
1113 * config/c4x/c4x-protos.h: ... here.
1115 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
1117 * dwarf2out.c (add_abstract_origin_attribute): Don't call
1118 gen_abstract_function on our context if we're a nested function.
1120 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1122 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
1123 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
1125 2000-02-04 Bruce Korb <bkorb@gnu.org>
1127 * fixinc/genfixes(machname.h):
1128 Move the functionality from gen-machine.h into this file.
1129 UNdef MN_NAME_PAT if there are no names to change.
1130 Also, be a little kinder when AutoGen is not present.
1132 * fixinc/Makefile.in(machname.h):
1133 Change the generation rule to use genfixes.
1135 * fixinc/fixfixes.c(machine_name):
1136 machine_name_fix's functionality now dependent upon whether
1137 MN_NAME_PAT is defined.
1139 * fixinc/fixtests.c(machine_name):
1142 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
1145 * fixinc/fixlib.h(mn_get_regexps):
1148 * fixinc/gen-machine.h: DELETED
1150 2000-02-04 Jan Hubicka <jh@suse.cz>
1151 Richard Henderson <rth@cygnus.com>
1153 * i386.c (SAVE_REGS_FIRST): Remove.
1154 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
1155 (ix86_compute_frame_size): Likewise.
1156 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
1157 (ix86_emit_restore_regs): Remove.
1158 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
1159 when a frame pointer is in use.
1160 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
1161 instead of pop to restore a register when profitable; emit leave
1163 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
1165 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
1166 * i386.md (prologue_allocate_stack): Remove.
1167 (epilogue_deallocate_stack): Remove.
1168 (pro_epilogue_adjust_stack): New.
1170 2000-02-04 Richard Henderson <rth@cygnus.com>
1172 * function.c (diddle_return_value): Rework to use a callback function.
1173 Use current_function_return_rtx if it's been set up.
1174 (do_clobber_return_reg, clobber_return_register): New.
1175 (do_use_return_reg, use_return_register): New.
1176 (expand_function_end): Use them.
1177 * stmt.c (expand_null_return): Likewise.
1178 * function.h: Declare them.
1179 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
1180 (mark_reg): Change arguments as appropriate for callback.
1181 * integrate.c (expand_inline_function): Revert 19 Jan change.
1183 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
1185 * tm.texi (Values in Registers): Fix typo: "fo" "for".
1186 (Misc): Say the scheduler, not the Haifa scheduler.
1188 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
1190 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
1191 when in_mem is set. Update all callers.
1193 2000-02-04 Richard Henderson <rth@cygnus.com>
1195 * i386/openbsd.h (INT_ASM_OP): Define.
1197 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
1199 * tm.texi: Fix various typos.
1201 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
1203 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
1204 (MD_STARTFILE_PREFIX_1): New macro.
1206 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
1208 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
1209 destination when needed.
1210 (strmovsi, strsetsi): New expander.
1211 (strmovsi_1, strsetsi_1): New pattern.
1212 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
1213 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
1214 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
1215 * invoke.texi (align-stringops, inline-all-stringops): Document.
1217 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
1219 * i386/netbsd.h (INT_ASM_OP): Define.
1221 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
1223 * cpplib.h (cpp_reader): Add new flag, no_directives.
1224 * cpphash.c (macarg): Set it.
1225 * cpplib.c (handle_directive): If no_directives is on and we
1226 find a directive, issue an error and discard the line.
1228 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
1230 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
1231 FP constants. Add ! TARGET_FPU check for FP constants.
1233 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
1235 * flow.c (find_basic_blocks): Don't kill label_value_list
1237 (cleanup_cfg): Kill it here.
1239 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * expr.c (store_field): Ensure ALIGN is no stricter than the
1244 2000-02-02 Richard Henderson <rth@cygnus.com>
1246 * jump.c (delete_insn): Partially revert 19 Jan change;
1247 don't convert unused code labels to notes at -O0.
1249 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1251 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
1252 split_all_insns to recreate REG_LABEL notes for flow2 pass.
1254 2000-02-01 Richard Henderson <rth@cygnus.com>
1256 * i386.c (general_no_elim_operand): New.
1257 (nonmemory_no_elim_operand): New.
1258 (ix86_expand_move): Copy eliminable operands before a push.
1259 * i386-protos.h: Declare new functions.
1260 * i386.h (CAN_ELIMINATE): Simplify.
1261 (PREDICATE_CODES): Update.
1262 * i386.md (push insns): Don't allow eliminable register operands.
1264 2000-02-01 Richard Henderson <rth@cygnus.com>
1266 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
1267 replace BLKmode with DECL_RTL's mode.
1269 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
1271 * frame.c (find_fde): Convert for loop to do-while so compiler
1272 sees it's always executed at least once.
1273 * libgcc2.c (BBINBUFSIZE): Kill.
1274 (__bb_init_prg): Use fgets.
1275 (__bb_exit_trace_func): Don't paste strings.
1276 * unroll.c (unroll_loop): Initialize unroll_type, not
1277 unroll_number, and tweak logic to match.
1279 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
1281 (ix86_flags_dependant): Likewise. Disentangle control flow.
1282 (ix86_sched_reorder): Break guts out to
1283 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
1284 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
1287 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
1288 use string concatenation. Don't save and restore esi.
1290 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
1291 (machname.h): Remove script to separate file. Use two-step
1292 sequence so target is not created if script fails.
1293 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
1294 identifiers are defined.
1295 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
1296 an empty string, machine_name doesn't need to do anything at
1298 (is_cxx_header): Add more cases to regexp.
1299 * fixinc/fixlib.h: Update prototype.
1300 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
1302 * fixinc/fixincl.c: Define NO_BOGOSITY.
1304 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
1305 (hp_sysfile): Add missing comma.
1306 (math_exception): Put the wrapper ifdefs at the beginning and
1307 the end of the file.
1308 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
1310 2000-02-01 Richard Henderson <rth@cygnus.com>
1312 * sparc.c (fp_zero_operand): Turn into a normal predicate.
1313 Use CONST0_RTX. Update all callers.
1314 * sparc.h, sparc-protos.h: Update accordingly.
1315 * sparc.md (fp mov insns): Use fp_zero_operand directly
1318 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
1320 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
1323 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1325 * Makefile.in (specs.ready): New target.
1326 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
1328 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1330 * fixinc.irix: Use unique filenames for writing into /tmp,
1331 * fixinc.ptx: Likewise.
1332 * fixinc.sco: Likewise.
1333 * fixinc.svr4: Likewise.
1334 * fixinc.winnt: Likewise.
1336 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1338 * tsystem.h: New file.
1340 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
1341 s-crtS): Depend on tsystem.h.
1343 * crtstuff.c: Include tsystem.h.
1344 * frame.c: Likewise.
1345 * libgcc2.c: Likewise.
1347 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
1349 * builtins.c (expand_builtin_memset): Expand for variable sized
1352 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
1354 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
1357 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
1359 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
1361 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
1363 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
1365 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
1366 case 3->2 combining (combining with splitting) in which 2 is CC0
1367 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
1368 checked at the begining of the function with the aid of calling
1369 function 'can_combine_p'.
1371 2000-01-31 Dave Brolley <brolley@redhat.com>
1373 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
1375 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
1377 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
1380 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1382 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
1384 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
1387 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1389 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
1390 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
1391 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
1392 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
1393 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
1394 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
1395 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
1396 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
1397 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
1398 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
1400 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
1401 Add %(cpp_cpu) to CPP_SPEC.
1403 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
1404 Add %(cc1_cpu) to CC1_SPEC.
1406 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1408 * c-decl.c (c_decode_option): Accept optional numeric argument to
1409 -Wformat and set warn_format.
1410 * c-common.c: Don't emit warning about non-constant printf format
1411 string unless warn_format > 1.
1413 2000-01-30 Richard Henderson <rth@cygnus.com>
1415 * alpha.md (return_internal): Allow after reload only.
1417 2000-01-30 Richard Henderson <rth@cygnus.com>
1419 * i386.c (ix86_compute_frame_size): Omit padding1 if the
1420 local frame size is zero.
1422 2000-01-30 Richard Henderson <rth@cygnus.com>
1424 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
1425 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
1426 * alpha.md (return): Turn into an expander.
1427 (return_internal): Don't use $26.
1428 (epilogue): Emit the return insn.
1430 2000-01-30 Richard Henderson <rth@cygnus.com>
1432 * alpha.md (negtf2, abstf2): Fix word order thinko.
1434 (trunctfsf2): Avoid intermediate rounding errors.
1436 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
1438 * cppfiles.c (find_position): Drop 'colp' argument, return the
1440 (read_and_prescan): Adjust to match. Don't ever manipulate
1441 line or line_base except via find_position.
1443 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1445 * c-parse.in: Apply Ulrich's changes from c-parse.y.
1446 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
1449 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
1451 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
1452 just print "<command line>". If 'filename' is null or an
1453 empty string, print "<stdin>" for the filename.
1454 * cpplib.c (do_define): Don't print the 'location of the
1455 previous definition' message if we're still parsing the
1457 (cpp_pedwarn_with_file_and_line): Always call
1458 cpp_file_line_for_message.
1460 2000-01-29 Mark Mitchell <mark@codesourcery.com>
1462 * flow.c (mark_regs_live_at_end): Fix typo.
1464 2000-01-28 Ulrich Drepper <drepper@redhat.com>
1466 * c-common.c: Adjust variable names, comments, help strings to c99.
1467 * c-lex.c: Likewise.
1468 * c-parse.y: Likewise.
1469 * c-tree.h: Likewise.
1471 * cpplib.h: Likewise.
1472 * c-decl.c: Likewise. Recognize options with names "*99" as well.
1473 * cppinit.c: Likewise.
1475 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1477 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
1478 * c4x.c: Define the optab rtx values.
1479 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
1480 (c4x_emit_libcall): Use new optab rtx values.
1481 (c4x_emit_libcall3): Likewise.
1482 (c4x_emit_libcall_mulhi): Likewise.
1483 * c4x-protos.h: Add prototypes for optab rtx values and change
1484 prototypes for above c4x_emit_libcall functions.
1486 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1488 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
1490 (c4x_function_prologue): Use regnames intead of float_reg_names when
1492 (c4x_function_epilogue): Likewise.
1493 (c4x_print_operand): Likewise.
1494 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
1495 * c4x.md (set_high): Disable for TARGET_TI.
1497 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1499 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
1500 of framepointer + constant to ADDR_REGS class.
1501 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
1502 * c4x.c (std_or_reg_operand): New function.
1503 * c4x-protos.h (std_or_reg_operand): Prototype it.
1505 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1507 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
1508 object names as libgcc2.c.
1509 * libgcc.S: Use newly defined names.
1511 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
1512 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
1514 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
1515 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
1516 (FLOW_LOOP_LAST_BLOCK): Likewise.
1518 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1520 * basic-block.h (struct loop): New fields 'first' and 'last'.
1521 * flow.c (flow_loops_find): Compute loop->first and loop->last.
1522 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
1523 and loop->last to check for NOTE_INSN_LOOP_END.
1525 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
1527 * predict.c (estimate_probability): Use the new FIRST and LAST fields
1528 of the loop descriptor rather than HEADER and LATCH. Also added
1529 missing break statements as well making some coding style modifications
1530 as suggested by Michael Hayes.
1532 2000-01-28 Richard Henderson <rth@cygnus.com>
1534 * flow.c (find_basic_blocks): Remove do_cleanup argument.
1535 Break out that code ...
1536 (cleanup_cfg): ... here.
1537 (commit_one_edge_insertion): Detect a return instruction being
1538 emitted to an edge. Emit a barrier following; clear fallthru.
1539 (commit_edge_insertions): Verify CFG consistency.
1540 * function.c (expand_function_start): Kill unused variable.
1541 (expand_function_end): Likewise.
1542 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
1543 to insert the epilogue.
1545 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
1546 (delete_null_pointer_checks): Likewise.
1547 * output.h: Likewise.
1548 * reg-stack.c (reg_to_stack): Likewise.
1549 * toplev.c (rest_of_compilation): Likewise. Run
1550 thread_prologue_and_epilogue_insns after rebuilding the CFG.
1552 2000-01-28 Richard Henderson <rth@cygnus.com>
1554 * Makefile.in (flow.o): Revert 24 Jan change.
1555 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
1556 FUNCTION_VALUE result to DECL_RESULT's mode.
1558 * haifa-sched.c (schedule_insns): Don't recompute reg info
1561 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
1563 * configure.in: Make --enable-cpplib the default.
1564 * configure: Regenerate.
1565 * gcc.dg/990119-1.c: No longer expected to fail.
1567 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
1569 * jump.c (jump_optimize_1): Delete an optimization that is also done
1570 by merge_blocks in flow.
1572 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1574 * diagnostic.c (build_message_string, output_printf,
1575 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
1576 (build_location_prefix): Fix non-literal format string.
1578 2000-01-27 Richard Henderson <rth@cygnus.com>
1580 * alpha.md (trunctfsf2): New.
1582 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
1584 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
1586 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1588 * cppinit.c (cpp_handle_option): Recognize C++ comments under
1590 * cpplib.c (skip_block_comment, skip_line_comment): Split code
1592 (skip_comment) ... here. Permit C++ comments in system
1593 headers always. Warn about C++ comments in user code under
1594 -std=gnu89 -pedantic.
1595 (copy_comment): Use skip_comment.
1596 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
1598 (consider_directive_while_skipping, do_else, do_endif): Call
1599 validate_else unconditionally.
1600 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
1601 text after the conditional in a system header.
1602 * cpplib.h (struct cpp_buffer): Add flag
1603 warned_cplusplus_comments.
1605 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1607 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
1608 Use unshare_all_rtl_1.
1609 (unshare_all_rtl_again): New function.
1610 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
1612 * function.c (purge_addressof_1): Use unshare_all_rtl_again
1613 rather than resetting the 'used' flags ourself.
1615 * toplev.c (rest_of_compilation): Add current_function_decl
1616 to the unshare_all_rtl call.
1617 * tree.h: Prototype unshare_all_rtl.
1618 * rtl.h: Prototype unshare_all_rtl_again here.
1620 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
1622 * genoutput.c (output_prologue): Include ggc.h in generated
1624 * Makefile.in (insn-output.o): Depends on ggc.h.
1626 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
1627 Hans-Peter Nilsson <hp@bitrange.com>
1629 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
1630 Remove redundant include of xm-ns32k.h.
1631 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
1632 Remove redundant include of xm-ns32k.h.
1633 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
1634 Remove redundant include of xm-ns32k.h.
1635 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
1637 * ns32k/ns32k.h: Update comment on multiply-add instructions.
1638 (TARGET_SWITCHES): Add documentation strings.
1639 (DWARF_FRAME_REGNUM): Override default definition.
1640 (REG_CLASS_CONTENTS): Add comments.
1641 (SUBSET_P): Format to reduce line length.
1642 (SMALL_REGISTER_CLASSES): Make a run time option.
1643 (GO_IF_NONINDEXED_ADDRESS): Reformat.
1644 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
1645 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
1646 (regclass_map): fix typo in comment.
1647 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
1648 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
1649 (trace, reg_or_mem_operand): Delete, unused function.
1650 (calc_address_cost): Small offsets are cheaper than large ones.
1651 (expand_block_move): Generate more efficient code when bytes is a
1652 known at compile time.
1653 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
1654 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
1655 instead of reg_or_mem_operand.
1657 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
1658 not general_operand. Similarly use "=rm" or stricter, not "=g".
1659 For input operands, use stricter constraints than "g" if not
1660 general_operand. Similarly use stricter predicate than
1661 "general_operand" when stricter constraints than "g" are present,
1662 except for matching constraints.
1663 (movstrsi): Use "memory_operand" for operands 0 and 1.
1664 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
1665 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
1666 not reg_or_mem_operand.
1667 (udivmoddisi4): Ditto.
1668 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
1669 Use nonimmediate_operand for operand 3, not register_operand.
1670 (udivmoddiqi4_internal): Use register_operand for operand 1, not
1673 2000-01-27 Fred Fish <fnf@be.com>
1675 * gthr-posix.h: Fix typo; compatibily -> compatibility.
1676 * gthr-single.h: Likewise.
1677 * gthr-solaris.h: Likewise.
1678 * gthr-vxworks.h: Likewise.
1679 * gthr-win32.h: Likewise.
1682 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
1684 * cppinit.c: Add " (cpplib)" to end of string printed by
1687 2000-01-27 Richard Henderson <rth@cygnus.com>
1689 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
1690 testing for a signed comparison.
1691 (alpha_emit_floatuns): New.
1692 * alpha-protos.h: Declare it.
1693 * alpha.md (floatunsdisf2, floatunsdidf2): New.
1694 (extendsfdf2): Tidy.
1696 2000-01-27 Jakub Jelinek <jakub@redhat.com>
1698 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
1699 no -g option specifying debugging format, default to -gstabs+.
1701 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
1703 * calls.c (special_function_p): New argument fork_or_exec.
1704 (expand_call): When profile_arc_flag is set and the function
1705 is in the fork_or_exec group, call __bb_fork_func first.
1706 * libgcc2.c, _bb module (__bb_fork_func): New function.
1707 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
1709 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
1710 * tree.h (special_function_p): Update prototype.
1712 2000-01-26 Richard Henderson <rth@cygnus.com>
1714 * alpha.c (alpha_split_tfmode_pair): New.
1715 * alpha-protos.h: Declare it.
1716 * alpha.md (abstf2, negtf2): New.
1717 (movtf insn): Add input G constraint.
1718 (movtf splitter): Use alpha_split_tfmode_pair.
1720 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1722 * i386/cygwin.h: PROTO -> PARAMS.
1724 2000-01-26 Jakub Jelinek <jakub@redhat.com>
1726 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
1727 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
1728 using _Qp_cmp/_Q_cmp and testing the return value.
1729 (print_operand): Call reverse_condition_maybe_unordered if
1730 we are handling CCFPmode or CCFPEmode.
1731 Handle ORDERED, UN* and LTGT comparisons.
1732 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
1733 if not TARGET_HARD_QUAD.
1734 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
1735 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
1736 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
1737 Adjust gen_b* calls so that they reflect return comparison of
1738 sparc_emit_float_lib_cmp.
1740 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1742 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
1743 incoming operands array is large enough for one more operand.
1744 (alpha_emit_xfloating_arith): Likewise.
1746 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1748 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
1749 file with one line and no trailing newline.
1750 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
1751 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
1752 checking if the match is on the line.
1753 * fixinc/gnu-regex.c: Provide regerror not __regerror.
1755 2000-01-25 Richard Henderson <rth@cygnus.com>
1757 * sparc.c (output_cbranch): Fix accidental squashing of the
1758 fp branch pre-delay nop.
1760 2000-01-25 Richard Henderson <rth@cygnus.com>
1762 * tree.def (UNNE_EXPR): Remove.
1763 * c-typeck.c (build_binary_op): Don't handle it.
1764 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
1766 * rtl.def (UNNE): Remove.
1768 * jump.c (reverse_condition): Update accordingly.
1769 (swap_condition): Likewise.
1770 (comparison_dominates_p): Handle unordered comparisons.
1771 (reverse_condition_maybe_unordered): New.
1772 * rtl.h (reverse_condition_maybe_unordered): Declare.
1774 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
1775 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
1776 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
1777 * sparc.md (bltgt): New.
1779 2000-01-25 Nick Clifton <nickc@redhat.com>
1781 * emit-rtl.c (emit_insn): Only check machine class insns for
1782 improper emission of a RETURN.
1784 2000-01-25 Richard Henderson <rth@cygnus.com>
1786 * Makefile.in (flow.o): Depend on $(EXPR_H).
1787 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
1788 duplicate the structure of diddle_return_value for keeping regs live.
1790 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1792 * loop.c (current_loop_info): Delete.
1793 (consec_sets_invariant_p): Add loop argument, update callers.
1794 (get_condition_for_loop): Likewise.
1795 (count_nonfixed_reads, update_giv_derive): Likewise.
1796 (simplify_giv_expr, general_induction_var): Likewise.
1797 (consec_sets_giv, recombine_givs): Likewise.
1798 (move_movables): Delete loop_start and loop_end arguments,
1799 add loop argument, and update callers.
1800 (find_mem_givs, check_final_value): Likewise.
1801 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
1802 (loop_invariant_p): Rename from invariant_p, add loop argument, and
1804 (basic_induction_var): Add loop argument, delete loop_level argument,
1806 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
1807 add loop argument, and update callers.
1808 (find_splittable_regs, find_splittable_givs): Likewise.
1809 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
1810 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
1811 (biv_total_increment): Delete loop_start and loop_end arguments;
1813 (precondition_loop_p): Delete loop_start and loop_info arguments;
1815 * loop.h (get_condition_for_loop): Add loop argument.
1816 (biv_total_increment): Delete loop_start and loop_end arguments.
1817 (precondition_loop_p): Delete loop_start and loop_info arguments;
1819 (final_biv_value): Delete loop_start and loop_end arguments;
1821 (final_giv_value, back_branch_in_range_p): Likewise.
1823 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1825 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
1827 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
1829 * Makefile.in (c-gperf.h) : Change the "See" pointer to
1830 point to the new "generated_files" doc.
1832 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1834 * config/fp-bit.c (_unord_f2): Fix typo.
1836 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1838 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
1839 c-typeck.c, objc/objc-act.c: Remove all references to obstack
1840 functions obsoleted by GC, such as push_obstacks_nochange,
1841 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
1842 and code which existed only to decide whether or not to call
1843 them. Remove now-unused NESTED argument from start_function;
1844 all callers changed. Do not change behavior based on ggc_p.
1845 The use of the ixp_obstack in c-iterate.c and the util_obstack
1846 in objc/objc-act.c remain; these are not obsoleted by garbage
1848 * c-tree.h: Update prototype for start_function.
1850 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
1852 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
1854 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
1857 2000-01-25 Richard Henderson <rth@cygnus.com>
1859 * sparc-protos.h (select_cc_mode): Declare.
1860 * sparc.c (select_cc_mode): New. Handle unordered compares.
1861 (output_cbranch): Always reverse via code change. Handle
1862 unordered compares. Factor tests and string updates.
1863 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
1864 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
1865 * sparc.md (bunordered, bordered): New.
1866 (bungt, bunlt, buneq, bunge, bunle): New.
1868 2000-01-25 Richard Henderson <rth@cygnus.com>
1870 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
1871 * ggc-common.c (ggc_add_rtx_varray_root): New.
1872 (ggc_mark_rtx_varray): New.
1873 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
1874 functions down below ggc_mark_foo.
1875 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
1877 2000-01-25 Richard Henderson <rth@cygnus.com>
1879 * alpha.c (secondary_reload_class): Don't allocate a secondary
1880 for integral mode memories into FLOAT_REGS. Rearrange the more
1881 complicated memory expression inward.
1883 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
1885 * inclhack.def: Fixes to play nicer with FreeBSD, and
1886 corrections to comments.
1887 (cxx_unready): Add select expression.
1888 (irix_sockaddr): Add bypass expression.
1889 (machine_ansi_h_va_list): New fix.
1890 (stdio_va_list): No need to edit _BSD_VA_LIST_.
1891 Split out addition of "#include <stdarg.h>" to...
1892 (stdio_stdarg_h): ... here.
1893 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
1894 to stdlib.h also. Do not munge _BSD_SIZE_T_.
1895 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
1897 (ultrix_ifdef): Tighten up select expression.
1899 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
1900 re_ct and max_mach to avoid use of shell. Make printed names
1901 match names in inclhack.def. Use static copyright date.
1902 Don't count c_test and test expressions as requiring regex_t
1903 slots. Add some commentary.
1904 * inclhack.tpl: Do not include the 'This script contains N
1905 fixup scripts' line if PROGRAM is defined. Use static
1908 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
1910 * dwarf2out.c: include "varray.h", not dyn-string.h.
1911 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
1912 (addr_const_to_string, addr_to_string): Lose.
1913 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
1914 (struct dw_val_struct): val_addr is now an rtx.
1915 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
1916 (used_rtx_varray): New varray.
1917 (dwarf2out_init): Initialize it.
1919 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
1921 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
1922 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
1923 * Makefile.in (dwarf2out.o): Update dependencies.
1925 2000-01-24 Richard Henderson <rth@cygnus.com>
1927 * i386.c (i386_dwarf_output_addr_const): New.
1928 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
1930 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
1932 * dwarfout.c (output_mem_loc_descriptor): Likewise.
1933 * i386.c (i386_simplify_dwarf_addr): New.
1934 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
1936 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
1938 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
1939 TYPE_STUB_DECL is NULL.
1941 2000-01-24 Richard Henderson <rth@cygnus.com>
1943 * builtins.c (expand_tree_builtin): Move ...
1944 * c-common.c (expand_tree_builtin): ... here.
1946 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1948 * loop.h (LOOP_INFO): New accessor macro.
1949 * basic-block.h (struct loop): Rename field `info' to `aux'.
1950 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
1951 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
1952 * unroll.c (loop_iterations, unroll_loop): Likewise.
1954 2000-01-24 Christopher Faylor <cgf@cygnus.com>
1956 * config/i386/t-cygwin: Accomodate new winsup directory layout
1957 when searching for include files.
1959 2000-01-24 Richard Henderson <rth@cygnus.com>
1961 * rtl.def: Add unordered fp comparisions.
1962 * tree.def: Likewise.
1963 * tree.h: Add ISO C 9x unordered fp comparision builtins.
1965 * builtins.c (expand_tree_builtin): New function.
1966 * c-typeck.c (build_function_call): Use it.
1967 (build_binary_op): Support unordered compares.
1968 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
1970 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
1971 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
1972 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
1973 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
1974 * jump.c (reverse_condition): Don't abort for UNLE etc, but
1976 (swap_condition): Handle unordered compares.
1977 (thread_jumps): Check can_reverse before reversing.
1978 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
1981 * optabs.c (can_compare_p): New argument CODE. Verify branch or
1982 setcc is present before acking for cmp_optab. Update all callers.
1983 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
1984 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
1985 * expr.c (expand_expr): Likewise. Support unordered compares.
1986 (do_jump, do_store_flag): Likewise.
1987 * expr.h (enum libfunc_index): Add unordered compares.
1989 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
1990 (DPBIT_FUNCS): Add _unord_df.
1991 * config/fp-bit.c (_unord_f2): New.
1992 * fp-test.c (main): Try unordered compare builtins.
1994 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
1995 * alpha.c (alpha_comparison_operator): Check mode properly.
1996 (alpha_swapped_comparison_operator): Likewise.
1997 (signed_comparison_operator): Likewise.
1998 (alpha_fp_comparison_operator): New.
1999 (alpha_emit_conditional_branch): Handle unordered compares.
2000 * alpha.h (PREDICATE_CODES): Update.
2001 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
2002 (bunordered, bordered): New.
2004 2000-01-24 Richard Henderson <rth@cygnus.com>
2006 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
2007 * alpha.md (movtf): New expander, insn, and splitter.
2009 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
2011 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
2014 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
2016 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
2017 (FIXED_REGISTERS, CALL_USED_REGISTERS,
2018 REG_ALLOC_ORDER): Add frame pointer
2019 (FRAME_POINTER_REGNUM): Set to 20
2020 (HARD_FRAME_POINTER_REGNUM): New macro.
2021 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
2022 to HARD_FRAME_POINTER.
2023 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
2024 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
2025 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
2026 (HI_REGISTER_NAMES): Add "frame".
2027 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
2028 (debug_reg): Handle FRAME_POINTER_REGNUM.
2029 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
2030 GENERAL_REGS and INDEX_REGS.
2031 * i386.c (SAVED_REGS_FIRST): new macro.
2032 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
2033 (ix86_decompose_address, memory_address_length): Likewise.
2034 (regclass_map): Add frame pointer.
2035 (call_insn_operand): Handle frame_pointer_rtx.
2036 (reg_no_sp_operand): Likewise.
2037 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
2038 (print_operand, legitimize_pic_address): Fix formating.
2039 (ix86_compute_frame_size): Make static, update prototype, new
2040 parameters padding1, padding2, use ix86_nsaved_regs, use
2041 stack_alignment_needed.
2042 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
2043 to HARD_FRAME_POINTER_REGNUM conversions.
2044 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
2045 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
2046 (print_reg): Abort on FRAME_POINTER_REGNUM
2048 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
2050 * i386.h (PREDICATE_CODES): Add aligned_operand.
2051 * i386.c (aligned_operand): New function.
2052 (ix86_aligned_p): Kill.
2053 * i386.md (movhi_1): Emit mov for aligned operands.
2054 (promoting peep2s): Use aligned_operand.
2056 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
2058 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
2059 expression to allow underscores in macro names.
2060 (fix_char_macro_defines): Increment scanning pointer.
2062 2000-01-23 Richard Henderson <rth@cygnus.com>
2064 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
2065 * alpha/osf5.h: New file.
2066 * configure.in (alpha-*-osf5): Add it to tm_file.
2068 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
2070 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
2071 (alpha_emit_xfloating_cvt, function_arg): Declare.
2072 * alpha.c (alpha_emit_conditional_branch): Call
2073 alpha_emit_xfloating_compare for TFmode compares.
2074 (alpha_lookup_xfloating_lib_func): New.
2075 (alpha_compute_xfloating_mode_arg): New.
2076 (alpha_emit_xfloating_libcall): New.
2077 (alpha_emit_xfloating_arith): New.
2078 (alpha_emit_xfloating_compare): New.
2079 (alpha_emit_xfloating_cvt): New.
2080 (print_operand): Add default abort case.
2081 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
2082 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
2083 (BIGGEST_ALIGNMENT): Increase to 128 bits.
2084 (RETURN_IN_MEMORY): True for TF/TCmode.
2085 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
2086 (FUNCTION_ARG): Move to function_arg.
2087 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
2088 (ASM_OUTPUT_LONG_DOUBLE): New.
2089 (ASM_OUTPUT_DOUBLE): Always output bits.
2090 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
2091 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
2092 (extenddftf2, trunctfdf2): New.
2094 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2096 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
2097 * config/sparc/sol2.h: ... here.
2099 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2101 * basic-block.h (struct loops): New field `levels'.
2102 * flow.c (flow_loops_level_compute): Traverse all outer loops.
2103 (flow_loop_level_compute): Initialise level to 1.
2104 (flow_loops_find): Set loops->levels.
2105 (flow_loops_dump): Print loops->levels.
2107 2000-01-23 Richard Henderson <rth@cygnus.com>
2109 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
2110 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
2112 2000-01-23 Richard Henderson <rth@cygnus.com>
2114 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
2115 * i386.h (DBX_REGISTER_NUMBER): Use them.
2116 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
2117 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
2118 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
2119 * i386/sequent.h: Kill incorrect comment.
2121 2000-01-23 Mark Mitchell <mark@codesourcery.com>
2123 * ggc-page.c (struct page_entry): Make `context_depth' an
2125 (struct globals): Likewise.
2127 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
2129 * loop.c (check_dbra_loop): When checking a loop for
2130 reversability, check the source of any stores to ensure
2131 they don't depend on an initial value.
2133 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2135 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
2137 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
2139 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
2140 'pz_scan' into scope of entire function. Only affects
2141 compiles with -DDEBUG.
2143 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
2145 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
2146 section naming to that prior to 2000-01-07 patch.
2147 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
2148 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
2149 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
2150 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
2151 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
2153 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
2155 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
2158 2000-01-21 Jim Wilson <wilson@cygnus.com>
2160 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
2161 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
2163 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2165 * cpphash.c (change_newlines): Delete function.
2166 (struct argdata): Delete 'newlines' and 'use_count' fields.
2167 (macroexpand): Remove code referencing those fields.
2169 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2171 * loop.c (loops_info): New variable.
2172 (loop_optimize): Allocate loops->array and free it on exit.
2173 Allocate memory for loops_info and assign to each loop,
2175 (find_and_verify_loops): Do not allocate loops->array.
2177 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
2179 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
2181 2000-01-21 Jakub Jelinek <jakub@redhat.com>
2183 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
2184 pseudos if expanded after first flow.
2185 (movdi_pic_label_ref): Likewise.
2187 2000-01-20 Richard Henderson <rth@cygnus.com>
2189 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
2191 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
2193 * Makefile.in (fixinc.sh): Depend on specs.
2194 * fixinc/Makefile.in: Add rule to create machname.h.
2195 (fixlib.o): Depend on machname.h.
2196 * fixinc/fixtests.c (machine_name): New test.
2197 * fixinc/fixfixes.c (machine_name): New fix.
2198 * fixinc/fixlib.c (mn_get_regexps): New helper function for
2199 the machine_name test and fix.
2200 * fixinc/fixlib.h: Prototype it.
2201 * fixinc/inclhack.def (machine_name): Use the C test and fix.
2202 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
2204 * gcc.c (do_spec_1) [case P]: Take care not to create
2205 identifiers with three leading or trailing underscores.
2207 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
2208 (fixincl): Don't specify libraries twice on link line.
2209 (gnu-regex.o): Remove special rule.
2210 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
2211 defined by config.h. Do not define _REGEX_RE_COMP.
2212 (regcomp): Allocate and initialize a fastmap.
2213 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
2215 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
2217 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
2219 2000-01-19 Richard Henderson <rth@cygnus.com>
2221 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
2222 arguments with BB. Update all callers. Tidy line wrapping.
2224 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
2226 * emit-rtl.c (try_split): Return last_insn if we split the
2229 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
2231 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
2232 (ix86_initial_elimination_offset): Declare.
2233 * i386.c (ix86_nsaved_regs): Break out from ...
2234 (ix86_can_use_return_insn_p): ... here.
2235 (ix86_emit_save_regs): Break out from ...
2236 (ix86_expand_prologue): ... here.
2237 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
2239 (ix86_expand_epilogue): ... here.
2240 (ix86_compute_frame_size): Make static, add prototype.
2241 (ix86_initial_elimination_offset): Break out from ...
2242 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
2244 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * recog.h (OUT_FCN): Delete.
2248 * vax.md: Call `get_insn_template' instead of OUT_FCN.
2250 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2252 * cppalloc.c: PROTO -> PARAMS.
2253 * cpperror.c: Likewise.
2254 * cppfiles.c: Likewise.
2255 * cpplib.c: Likewise.
2256 * cpplib.h: Likewise.
2258 * config/arm/arm-protos.h: PROTO -> PARAMS.
2259 * config/arm/arm.c: Likewise.
2260 * config/c4x/c4x.c: Likewise.
2261 * config/fr30/fr30-protos.h: Likewise.
2262 * config/nextstep.c: Likewise.
2263 * config/pa/pa.c: Likewise.
2264 * config/pj/pj.c: Likewise.
2265 * config/rs6000/rs6000.c: Likewise.
2266 * config/v850/v850-protos.h: Likewise.
2267 * config/v850/v850.c: Likewise.
2269 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * i370-protos.h: New file.
2273 * i370.c: Include tm_p.h. Fix compile time warnings.
2275 * i370.h: Move prototypes to i370-protos.h. Fix compile time
2278 * i370.md: Likewise.
2280 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
2283 (target_isinf, target_isnan, eisnan): Mark parameter with
2285 (eiisinf): Wrap in INFINITY.
2286 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
2287 (ibmtoe): Remove unused variable `rndsav'.
2289 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2291 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
2292 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
2294 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
2296 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
2297 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
2298 (fix_char_macro_defines, fix_char_macro_uses): New functions.
2300 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
2301 Recognize Emacs mode markers also.
2302 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
2303 C++ comments in C++ headers. Call is_cxx_header only if
2306 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
2308 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
2309 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
2310 ... these, which use the new C fixes.
2311 (math_exception): Escape literal '+' in bypass expression.
2313 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
2316 2000-01-19 Geoff Keating <geoffk@cygnus.com>
2318 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
2321 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2323 * loop.c (loop_optimize): Allocate loop_info structure for each loop
2324 prior to calling scan_loop.
2326 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2328 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
2329 (split_branches, calc_live_regs): Likewise.
2331 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2333 * sh.md (fpu_single, fp_mode): New attributes.
2335 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2337 * loop.c (current_loop_info): Renamed from loop_info_data
2338 and changed to a pointer.
2339 (loop_optimize): Allocate loop_info structure for each loop
2340 and initialise to zero.
2341 (scan_loop): Set current_loop_info.
2343 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
2346 2000-01-19 Richard Henderson <rth@cygnus.com>
2348 * stupid.c: Die die die.
2349 * Makefile.in (OBJS): Remove stupid.o.
2350 (stupid.o): Likewise.
2352 * except.c (emit_eh_context): Don't emit USEs for stupid.
2353 * explow.c (probe_stack_range): Likewise.
2354 * flags.h (obey_regdecls): Remove.
2355 * flow.c (find_basic_blocks): Don't run try_merge_blocks
2356 when not optimizing.
2357 (life_analysis): Limit data collection when not optimizing.
2358 (mark_regs_live_at_end): Always mark the return value registers.
2359 (mark_used_regs): Remove dummy RETURN case.
2360 (print_rtl_with_bb): Don't consult obey_regdecls.
2361 * function.c (use_variable, use_variable_after): Remove.
2362 (assign_parms): Consult optimize not obey_regdecls.
2363 (expand_function_start): Don't emit USEs for stupid.
2364 (expand_function_end): Likewise.
2365 * global.c (build_insn_chain): Export.
2366 * integrate.c (expand_inline_function): Kill return-value USE
2368 * jump.c (jump_optimize_1): Do simple jump optimizations and
2369 dead code elimination.
2370 (calculate_can_reach_end): Remove check_deleted argument.
2371 (delete_insn): Patch out insns even when not optimizing.
2372 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
2373 * rtl.h (use_variable, use_variable_after): Remove declarations.
2374 (build_insn_chain): Declare.
2375 * stmt.c (expand_value_return): Don't emit USEs for stupid.
2376 (expand_end_bindings): Likewise.
2377 (expand_decl): Likewise. Consult optimize not obey_regdecls.
2378 * toplev.c (obey_regdecls): Remove.
2379 (rest_of_compilation): Don't set it. Kill stupid in favour of
2380 flow1, local-alloc, and reload.
2381 (main): Don't set obey_regdecls.
2383 * config/nextstep.c (handle_pragma): Likewise.
2385 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
2387 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
2389 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * alpha-protos.h: PROTO -> PARAMS.
2392 * alpha.c: Likewise.
2394 * h8300.c: Likewise.
2395 * i386-protos.h: Likewise.
2397 * m32r-protos.h: Likewise.
2400 * mips.md: Likewise.
2401 * gmon-sol2.c: Likewise.
2402 * sparc.c: Likewise.
2404 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2406 * ns32k-protos.h: New file.
2408 * ns32k.c: Fix compile time warnings.
2410 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
2413 * ns32k.md: Likewise.
2415 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2417 * vax-protos.h: New file.
2419 * vax.c: Fix compile time warnings.
2421 * vax.h: Move prototypes to vax-protos.h. Fix compile time
2426 * vaxv.md: Likewise.
2428 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2430 * romp-protos.h: New file.
2432 * romp.c: Fix compile time warnings.
2434 * romp.h: Move prototypes to romp-protos.h. Fix compile time
2437 * romp.md: Likewise.
2439 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2441 * we32k-protos.h: New file.
2443 * we32k.c: Fix compile time warnings.
2445 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
2448 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2450 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
2452 * except.c (eh_regs): Likewise.
2454 * final.c (output_operand): Likewise.
2456 * fold-const.c (target_isinf, target_isnan): Likewise.
2458 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
2460 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
2461 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
2463 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
2465 (clrstrsi): Rewrite.
2466 (strsethi, strsetqi): New expanders.
2467 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
2468 (cmpstrsi): Emit compare insn before cmpstrsi_1
2469 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
2470 (strlensi_1): Likewise.
2471 (cmpstrsi_1): Likewise; do not output compare.
2472 (strlen expander): Do not unroll when optimizing for size.
2473 (*subsi3_carry): Rename to subsi3_carry
2474 (addqi3_cc): New pattern.
2475 * i386.h (processor_costs): Add move_ratio field.
2476 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
2477 * i386.c (*_cost): Set move_ratio.
2478 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
2479 (x86_expand_strlensi_1): Rewrite the main loop.
2481 2000-01-17 Richard Henderson <rth@cygnus.com>
2483 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
2484 * cse.c (find_comparison_args, fold_rtx): Likewise.
2485 * integrate.c (subst_constants): Likewise.
2486 * loop.c (get_condition): Likewise.
2488 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
2490 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
2492 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
2494 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
2495 (RESTORE_WARN_FLAGS): Unpack it.
2496 Change semantic type of extension to ttype.
2497 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
2498 * c-parse.y, c-parse.c, objc/objc-parse.y,
2499 objc/objc-parse.c: Regenerate.
2501 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
2503 * fixinc/fixlib.c: Add copyright notice.
2504 (compile_re): New function.
2505 * fixinc/fixlib.h: Prototype compile_re.
2507 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
2508 Use compile_re to compile regular expressions.
2510 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
2511 where the pattern matched.
2513 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
2515 (ultrix_ansi_compat): Likewise.
2516 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
2518 (interactv_add2, interactv_add3): Delete.
2519 (x11_sprintf): Don't use filename glob.
2520 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
2523 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2525 * print-rtl.c: PROTO -> PARAMS.
2527 * reg-stack.c: Likewise.
2528 * resource.c: Likewise.
2529 * sdbout.h: Likewise.
2530 * simplify-rtx.c: Likewise.
2531 * stor-layout.c: Likewise.
2532 * stupid.c: Likewise.
2533 * xcoffout.c: Likewise.
2534 * xcoffout.h: Likewise.
2536 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2538 * toplev.c: PROTO -> PARAMS.
2539 * toplev.h: Likewise.
2542 * unroll.c: Likewise.
2543 * varasm.c: Likewise.
2544 * varray.c: Likewise.
2545 * varray.h: Likewise.
2547 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2549 * reload.c: PROTO -> PARAMS.
2550 * reload.h: Likewise.
2551 * reload1.c: Likewise.
2552 * reorg.c: Likewise.
2553 * resource.h: Likewise.
2556 * rtlanal.c: Likewise.
2557 * sbitmap.h: Likewise.
2558 * sdbout.c: Likewise.
2559 * stack.h: Likewise.
2561 * system.h: Likewise.
2563 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2565 * machmode.h: PROTO -> PARAMS.
2566 * mbchar.h: Likewise.
2567 * mips-tdump.c: Likewise.
2568 * mips-tfile.c: Likewise.
2569 * optabs.c: Likewise.
2570 * output.h: Likewise.
2571 * prefix.c: Likewise.
2572 * profile.c: Likewise.
2573 * protoize.c: Likewise.
2575 * recog.c: Likewise.
2576 * recog.h: Likewise.
2577 * regclass.c: Likewise.
2578 * regmove.c: Likewise.
2581 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2583 * ggc-common.c: PROTO -> PARAMS.
2584 * ggc-page.c: Likewise.
2585 * ggc-simple.c: Likewise.
2587 * global.c: Likewise.
2588 * graph.c: Likewise.
2589 * gthr-win32.h: Likewise.
2590 * haifa-sched.c: Likewise.
2591 * halfpic.h: Likewise.
2592 * integrate.c: Likewise.
2593 * integrate.h: Likewise.
2596 * local-alloc.c: Likewise.
2600 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2602 * genattr.c: PROTO -> PARAMS.
2603 * genattrtab.c: Likewise.
2604 * gencheck.c: Likewise.
2605 * gencodes.c: Likewise.
2606 * genconfig.c: Likewise.
2607 * genemit.c: Likewise.
2608 * genextract.c: Likewise.
2609 * genflags.c: Likewise.
2610 * gengenrtl.c: Likewise.
2611 * genopinit.c: Likewise.
2612 * genoutput.c: Likewise.
2613 * genpeep.c: Likewise.
2614 * genrecog.c: Likewise.
2616 2000-01-16 Mark Mitchell <mark@codesourcery.com>
2618 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
2620 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2622 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
2623 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
2624 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
2625 * configure, config.in: Rebuilt.
2627 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
2629 * config/i386/i386.md: Add peephole to merge successive stack
2632 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
2634 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
2635 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
2636 when walking backwards to find all the parameter loads when
2637 the basic block ends in a call.
2639 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2641 * loop.c (this_loop_info): Delete.
2642 (uid_loop): Add in place of uid_loop_num. All uses updated.
2643 (loop_number_exit_count): Delete and replace with entry in loop
2644 structure. All uses updated.
2645 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2646 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2647 (loop_outer_loop): Likewise.
2648 (loop_invalid, loop_number_exit_labels): Likewise.
2649 (loop_used_count_register): Delete and replace with entry in
2650 loop_info structure.
2651 (find_and_verify_loops): Add loops argument.
2652 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
2653 loop_end, etc. arguments with loop structure pointer. All callers
2655 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
2656 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
2657 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
2658 (insert_bct): Likewise.
2659 (basic_induction_var): New argument level.
2660 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
2661 vtop, and cont. Add used_count_register.
2662 (uid_loop): Delete declaration.
2663 (loop_number_exit_count): Likewise.
2664 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
2665 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
2666 (loop_outer_loop, loop_used_count_register): Likewise.
2667 (loop_invalid, loop_number_exit_labels): Likewise.
2668 (unroll_loop): Replace loop_start and loop_end arguments
2669 with loop structure pointer.
2670 (loop_precondition_p, loop_iterations): Likewise.
2671 Include basic-block.h.
2672 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
2673 with loop structure pointer.
2674 (loop_precondition_p, loop_iterations): Likewise.
2675 * basic-block.h (struct loop): New entries vtop, cont,
2676 cont_dominator, start, end, top, scan_start, exit_labels,
2678 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
2680 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2682 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
2684 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
2686 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
2688 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2690 * pdp11-protos.h: New file.
2692 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
2695 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
2698 * pdp11.md: Likewise.
2702 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2704 * mn10300-protos.h: New file.
2706 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
2709 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
2712 * mn10300.md: Likewise.
2714 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2716 * mn10200-protos.h: New file.
2718 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
2721 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
2724 * mn10200.md: Likewise.
2726 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2728 * h8300-protos.h: New file.
2730 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
2733 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
2736 * h8300.md: Likewise.
2738 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2740 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
2741 (asm_emit_uninitialised): Likewise.
2743 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
2745 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
2746 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
2748 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2750 * config/mips/mips.c (override_options): Don't turn on extra
2751 alignment for mips16.
2753 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2755 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
2756 eabi, and make sure queued POSTINCREMENT rtl is emitted at
2759 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2761 * builtins.c (PAD_VARARGS_DOWN): Define.
2762 (std_expand_builtin_va_arg): Use the above macro.
2763 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
2764 * tm.texi (Register Arguments): Document the above macro.
2766 2000-01-14 Nick Clifton <nickc@cygnus.com>
2768 * emit-rtl.c (emit_insn): If checking is enabled, make sure
2769 that this function has not been used to emit a jump
2772 * jump.c (return_jump_1): Cope with being passed a null rtx.
2774 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2776 * eh-common.h: PROTO -> PARAMS.
2777 * emit-rtl.c: Likewise.
2778 * errors.c: Likewise.
2779 * errors.h: Likewise.
2780 * except.c: Likewise.
2781 * except.h: Likewise.
2782 * explow.c: Likewise.
2783 * expmed.c: Likewise.
2786 * final.c: Likewise.
2787 * fix-header.c: Likewise.
2789 * fold-const.c: Likewise.
2790 * function.c: Likewise.
2791 * function.h: Likewise.
2793 * gcov-io.h: Likewise.
2797 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * sh-protos.h: New file.
2801 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
2802 Add static prototypes. Fix compile time warnings.
2804 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
2808 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2810 * arc-protos.h: New file.
2812 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
2815 * arc.h: Move prototypes to arc-protos.h. Fix compile time
2820 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2822 * dsp16xx-protos.h: New file.
2824 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
2827 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
2830 * dsp16xx.md: Likewise.
2832 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2834 * convex-protos.h: New file.
2836 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
2839 * convex.h: Move prototypes to convex-protos.h. Fix compile time
2842 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2844 * elxsi-protos.h: New file.
2846 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
2849 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
2852 * elxsi.md: Likewise.
2854 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
2856 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
2857 case for moving from HI/LO/HI_LO_REG. This makes the behavior
2858 match the comment for MIPS16.
2860 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
2862 * flow.c (split_edge): Do not call set_block_for_insn if we
2863 do not have a basic_block_for_insn structure.
2865 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
2866 and destination functions are 32bit aligned within the trampoline.
2867 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
2868 (TRAMPOLINE_ALIGNMENT): Define.
2870 * cse.c (cse_insn): When changing (set (pc) (reg)) to
2871 (set (pc) (label_ref)), verify the change creates a valid insn.
2873 * fr30.c (call_operand): Tighten and rework to match rules for
2874 call RTL expressions.
2875 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
2876 * fr30.md (call patterns): Improve constraints.
2878 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
2880 * fr30.c (fr30_expand_epilogue): Revert last change.
2881 Use emit_jump_insn for the return insn.
2883 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
2884 Stan Cox <scox@cygnus.com>
2886 * predict.c: New file. Preliminary infrastructure work for static
2887 branch prediction and basic block reordering.
2888 * basic-block.h: Add prototype for estimate_probability.
2889 * Makefile.in: Add rules for predict.o.
2891 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
2893 * fixincludes (va_list): Use __not_va_list__ for the dummy.
2894 * fixinc/*: Likewise.
2896 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2898 * cccp.c: PROTO -> PARAMS.
2900 * collect2.c: Likewise.
2901 * combine.c: Likewise.
2902 * convert.h: Likewise.
2904 * dbxout.c: Likewise.
2905 * dbxout.h: Likewise.
2906 * diagnostic.c: Likewise.
2907 * doprint.c: Likewise.
2908 * dwarf2out.c: Likewise.
2909 * dwarf2out.h: Likewise.
2910 * dwarfout.c: Likewise.
2911 * dwarfout.h: Likewise.
2912 * dyn-string.h: Likewise.
2914 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
2917 macro conditionals guarding use.
2919 * dwarf2out.c: Include "tm_p.h".
2921 * function.c (locate_and_pad_parm): Mark parameter with
2923 (expand_function_end): Likewise for variable `context'.
2925 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
2927 2000-01-13 Nick Clifton <nickc@cygnus.com>
2929 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
2930 register to prevent compile time warnings.
2932 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
2934 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
2935 to avoid -Wtraditional warning.
2937 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2939 * 1750a-protos.h: New file.
2941 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
2944 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
2947 * 1750a.md: Likewise.
2949 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2951 * a29k-protos.h: New file.
2953 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
2956 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
2959 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2961 * clipper-protos.h: New file.
2963 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
2966 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
2969 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2971 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
2973 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
2975 * configure.in (--enable-new-gxx-abi): New option.
2976 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
2977 * Makefile.in (GXX_ABI_FLAG): New variable.
2978 * configure: Regenerate.
2980 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2982 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
2983 * tm.texi (FORCE_STRUCT_BLK): Document.
2984 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
2986 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
2988 * config/ns32k/ns32k.md: Revert Jan 9 change.
2990 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
2991 to a mode-test, if the predicate is address_operand.
2993 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
2995 * combine.c (if_then_else_cond): Be careful about what kinds
2996 of RTL expressions are passed to operand_subword.
2998 * flow.c (split_edge): If we have to insert a new jump, make
2999 sure to associate it with a basic block.
3001 * flow.c (commit_one_edge_insertion): A block with one successor
3002 can end in a JUMP_INSN that is not a simplejump.
3004 2000-01-12 Robert Lipe <robertl@sco.com>
3006 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
3007 (BUILD_VA_LIST_TYPE): Define.
3008 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
3011 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
3013 * cccp.c (do_pragma): Add cast to (char *).
3015 2000-01-12 Richard Henderson <rth@cygnus.com>
3016 Fred Fish <fnf@be.com>
3017 Jason Merrill <jason@cygnus.com>
3019 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
3020 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
3021 * i386/beos-elf.h, i386/beos-pe.h: New files.
3023 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
3024 * cross-make (SYSTEM_HEADER_DIR): Define using
3025 CROSS_SYSTEM_HEADER_DIR.
3027 * gcc.c (LIBRARY_PATH_ENV): Provide default.
3028 (process_command): Use it.
3029 (main): Likewise. Kill trailing = from env vars.
3030 (build_search_list): Put it back.
3031 * collect2.c (main): Use LIBRARY_PATH_ENV.
3033 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
3034 * toplev.c: Use NEED_DECLARATION_ENVIRON.
3036 * tm.texi (Frame Layout): Document SMALL_STACK.
3037 * c-common.c (c_common_nodes_and_builtins): Check it.
3039 * system.h: Undef alloca after including glibc's <stdlib.h>,
3040 if USE_C_ALLOCA is defined.
3042 * gcc.c (set_input): New fn.
3043 (main): After all input files are compiled, reset the input file
3046 * aclocal.m4 (rindex, index): If already defined, don't attempt
3049 * ginclude/varargs.h: (__va_list__): Define ifndef.
3050 * ginclude/stdarg.h: Likewise.
3052 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
3053 instead of unsigned char.
3055 * hash.h (true, false, boolean): Undef before enum.
3057 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
3058 proper type of "HOST_WIDE_INT *", rather than their natural type of
3059 "unsigned HOST_WIDE_INT *".
3061 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3063 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
3065 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
3067 * regclass.c (choose_hard_reg_mode): Likewise.
3069 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
3071 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
3073 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3075 * c-common.c: PROTO -> PARAMS.
3076 * c-common.h: Likewise.
3077 * c-decl.c: Likewise.
3078 * c-iterate.c: Likewise.
3079 * c-lang.c: Likewise.
3080 * c-lex.c: Likewise.
3081 * c-lex.h: Likewise.
3082 * c-parse.in: Likewise.
3083 * c-pragma.c: Likewise.
3084 * c-pragma.h: Likewise.
3085 * c-tree.h: Likewise.
3086 * c-typeck.c: Likewise.
3087 * objc/objc-act.c: Likewise.
3088 * objc/objc-act.h: Likewise.
3090 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3092 * m88k-protos.h: New file.
3094 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
3097 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
3099 * m88k.md: Likewise.
3101 * tekXD88.h: Likewise.
3103 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 * m68k-protos.h: New file.
3107 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
3110 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
3112 * mot3300.h: Likewise.
3114 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
3116 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
3118 (extract_bitlist): Declare bitlen.
3120 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
3122 * cccp.c: Accept and ignore -lang-fortran.
3124 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
3125 qualifiers don't match at any level of pointerness.
3127 2000-01-12 Robert Lipe <robertl@sco.com>
3129 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
3131 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
3133 * reload1.c (reload_reg_unavailable): New static variable.
3134 (reload_reg_free_p): Test it.
3135 (reload_reg_free_for_value_p): Test it instead of
3137 (choose_reload_regs_init): Compute it.
3139 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
3141 * reorg.c (fill_slots_from_thread): Check modified_in_p
3144 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
3146 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
3147 these nodes even if INTERNALS is not set.
3149 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
3151 * gcse.c (delete_null_pointer_checks_1): Cope when
3152 get_condition cannot determine the condition.
3154 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
3156 * toplev.h (set_message_length): Declare.
3158 * diagnostic.c (obstack_chunk_alloc): Define macro.
3159 (obstack_chunk_free): Likewise.
3160 (struct output_buffer): New data structure.
3162 (output_maximum_width): New variable.
3163 (doing_line_wrapping, set_message_length, init_output_buffer,
3164 get_output_prefix, output_space_left, emit_output_prefix,
3165 output_newline, output_append, output_puts, dump_output,
3166 vbuild_message_string, build_message_string, build_location_prefix,
3167 voutput_notice, output_printf, line_wrapper_printf,
3168 vline_wrapper_message_with_location): New functions. Implement
3169 automatic line wrapping.
3170 (v_message_with_decl): Make it handle automatic line wrapping.
3171 (v_error_with_file_and_line): Likewise.
3172 (v_warning_with_file_and_line): Likewise.
3173 (announce_function): Likewise.
3174 (default_print_error_function): Likewise.
3176 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
3178 * cpplib.h (struct cpp_options): Change lang_asm to char.
3180 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
3181 done in cpp_handle_option now.
3182 (initialize_builtins): Take out special case code used only by
3184 (cpp_handle_option): Turn off trigraphs and trigraph warnings
3185 if -traditional. Recognize -lang-fortran and set
3186 lang_fortran, also turn off cplusplus_comments.
3187 (print_help): Document -lang-fortran.
3188 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
3189 lang_asm. Ignore all directives other than `# 123 "file"' if
3191 (cpp_get_token): If -traditional, don't recognize directives
3192 unless the # is in column 1.
3193 (parse_string): If lang_fortran or lang_asm, silently
3194 terminate strings ('' or "") at end of line.
3195 Remove unnecessary braces.
3197 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3198 Richard Henderson <rth@cygnus.com>
3200 * resource.c (mark_referenced_resources): Mark a set strict_low_part
3202 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
3203 strict_low_part when possible.
3205 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3207 * alias.c: PROTO -> PARAMS.
3208 * basic-block.h: Likewise.
3209 * bitmap.c: Likewise.
3210 * bitmap.h: Likewise.
3211 * builtins.c: Likewise.
3212 * c-aux-info.c: Likewise.
3213 * caller-save.c: Likewise.
3214 * calls.c: Likewise.
3216 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3218 * Makefile.in (toplev.o): Depend on regs.h.
3220 * output.h (tdesc_section): Prototype.
3222 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
3224 * sdbout.c: Include "tm_p.h".
3226 * toplev.c: Include "regs.h".
3228 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
3230 * unroll.c (unroll_loop): Add EH support.
3232 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3234 * pa-protos.h: New file.
3236 * pa.c: Include recog.h and tm_p.h.
3237 (compute_zdepwi_operands, compute_movstrsi_length,
3238 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
3239 find_addr_reg, import_milli): Add static prototypes.
3240 (pa_cpu_string, pa_arch_string): Constify a char*.
3241 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
3242 (read_only_operand): Add argument `mode'.
3243 (singlemove_string, output_move_double, output_fp_move_double,
3244 output_block_move, output_and, output_ior, output_ascii,
3245 remove_useless_addtr_insns, milli_names, output_mul_insn,
3246 output_div_insn, output_mod_insn, output_arg_descriptor,
3247 output_cbranch, output_bb, output_bvb, output_dbra, ,
3248 output_millicode_call, output_call, hppa_encode_label,
3249 output_parallel_movb, output_parallel_addb): Constify a char*.
3250 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
3251 (output_parallel_addb): Remove extra arg to `constrain_operands'
3253 * pa.h: Move all prototypes to pa-protos.h.
3254 (pa_cpu_string, pa_arch_string): Constify a char*.
3255 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
3257 * pa.md: Call `function_label_operand' with mode argument.
3258 Likewise for `read_only_operand'.
3259 Fix nesting of parens in call to `symbolic_operand'.
3261 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3263 * i860-protos.h: New file.
3265 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
3268 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
3270 * i860.md: Likewise.
3272 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
3274 * i386.md (movstrsi expander): Rewrite.
3275 (movstrsi_1 insn): Deleted.
3276 (strmovhi, strmovqi expander): New expanders.
3277 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
3278 * i386.c (x86_single_stringop): New global variable.
3279 * i386.h (x86_single_stringop): Declare.
3280 (TARGET_SINGLE_STRINGOP): New macro.
3282 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3284 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
3285 integer vararg POSTINCREMENT before the destination of the jump
3286 for the hard fp case.
3287 (function_arg_pass_by_reference): Pass a copy of CUM to
3290 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
3291 for CONSTANT_ADDRESS_P above while loop for subreg.
3293 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
3295 * flow.c (propagate_block): When a prologue/epilogue insn
3296 is marked dead, unconditionally clear libcall_is_dead and
3297 insn_is_dead, and only dump rtl if warnings aren't being
3300 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
3302 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
3303 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
3304 (FIXED_REGISTERS): Set dirflag as fixed.
3305 (CALL_USED_REGISTERS): Set dirflag as used.
3306 (REG_ALLOC_ORDER): Set dirflag as last one.
3307 (DIRFLAG_REG): New macro.
3308 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
3309 (HI_REGISTER_NAMES): Add dirflag.
3310 (DEBUF_PRINT_REG): Handle dirflag.
3311 * i386.md (type attribute): New cld and str types.
3312 (length_opcode attribute): Set cld and str to 1.
3313 (memory attribute): Set str to unknown - it is not clear from the
3315 (pent_np function unit): Prefixed string operations takes 12 cycles
3316 minimally; cld takes 2 cycles.
3317 (ppro_uops attribute): Str is "many" and cld is "few".
3318 (ppro_p0 unit): Handle cld here.
3319 (k6_alux unit): Handle cld and str types.
3320 (k6_load unit): It is ocupied by str opcodes.
3321 (k6_store unit): It is ocupied by str opcodes.
3322 (athlon_decode): Str is vector decoded.
3323 (athlon_ieu): Handle str and cld.
3325 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
3326 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
3327 cmpstrsi_nz_1 insn): Do not output cld instruction
3329 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
3331 * gcc.texi (G++ and GCC): Add Java and Chill.
3332 (Bug Critera): Don't list languages.
3334 * gcc.texi (Incompatibilities): No longer claim most C compilers
3337 * gcc.texi (G++ and GCC): Update other front-ends list.
3339 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
3341 * i386.c (ix86_expand_setcc): Fix typo.
3342 (ix86_expand_movcc): Similarly.
3344 * Band-aid until haifa's bitset implementation is nuked.
3345 * haifa-sched.c (extract_bitlst): New parameter for size of the
3346 bitset in bits. All callers changed. Avoid looking at undefined
3348 (edgeset_bitsize): New variable.
3349 (schedule_region): Initialize edgeset_bitsize.
3351 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3353 * Makefile.in (optabs.o): Depend on real.h
3354 (resource.o): Depend on insn-attr.h
3356 * builtins.c (result_vector): Wrap prototype in macro conditions
3357 governing definition and use.
3359 * c-common.c: Include tm_p.h.
3361 * c-lex.c: Likewise.
3363 * elfos.h: Constify a char*.
3365 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
3366 (get_attr_length, shorten_branches, profile_after_prologue): Mark
3367 parameter with ATTRIBUTE_UNUSED.
3369 * fold-const.c (exact_real_inverse): Wrap variable `i' in
3372 * haifa-sched.c (schedule_insns): Mark parameter with
3375 * optabs.c: Include real.h.
3377 * real.h (ereal_atof): Add prototype arguments.
3379 * resource.c: Include insn-attr.h.
3381 * sdbout.c (sdbout_queue_anonymous_type,
3382 sdbout_dequeue_anonymous_types): Wrap in macro
3383 SDB_ALLOW_FORWARD_REFERENCES.
3384 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
3387 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
3389 * stupid.c: Include tm_p.h.
3391 * tree.c (real_value_from_int_cst): Mark parameter with
3394 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3396 * i960-protos.h: New file.
3398 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
3401 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
3403 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3405 * combine.c (expand_field_assignment): Do not discard SUBREGs
3406 while computing nonzero_bits.
3408 2000-01-09 Nick Clifton <nickc@cygnus.com>
3410 * config/arm/arm.c: Fix compile time warnings about signed vs
3412 * config/arm/arm.h: Fix compile time warnings about signed vs
3415 2000-01-09 Philip Blundell <philb@gnu.org>
3417 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
3418 than `ldm' with only one register.
3419 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
3422 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
3425 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
3427 * config/ns32k/ns32k.md (load or push effective address): Operand 1
3430 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3432 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
3433 assignment used as truth value.
3435 * function.c (assign_temp): Mark parameter `dont_promote' with
3436 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
3437 PROMOTE_FOR_CALL_ONLY.
3439 * genrecog.c (write_subroutine): Mark variable `operands' with
3442 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
3445 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
3446 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
3448 * toplev.c (note_deferral_of_defined_inline_function): Likewise
3451 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3453 * config/c4x.h: Tidy up comments.
3454 * config/c4x.c: Likewise.
3456 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
3458 * fold-const.c (lshift_double, rshift_double): Handle
3459 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
3461 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3463 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
3464 in prepare_function_start().
3466 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
3468 * config/v850/v850.c (expand_epilogue): Interrupt functions no
3469 longer allocate extra stack for function calls.
3471 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3473 * config/c4x/c4x.md (*subqf3_set): Fix typo.
3475 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3477 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
3479 2000-01-07 David Edelsohn <edelsohn@gnu.org>
3481 * rs6000.c (processor_target_table): Add power3 as alias for 630.
3482 * aix43.h: Revert Aug 2 change.
3483 (HAS_INIT_SECTION): Define, not visible yet.
3484 (LD_INIT_SWITCH): Define, not visible yet.
3485 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
3487 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
3489 * collect2.c (main): Expand ld2 size further.
3490 (export_object_lst): Cast assignment to avoid warning.
3491 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
3492 (scan_prog_file, COFF): Do not collect initialization or
3493 finalization functions generated for entire shared object if
3494 init/fini support present.
3496 2000-01-07 Nick Clifton <nickc@cygnus.com>
3498 * config/elfos.h: Tidy up formatting of marcos. Make sure
3499 that .section directives are always prefixed by a tab.
3501 * config/svr4.h: Add #include "elfos.h" and remove duplicate
3504 2000-01-07 Matt Austern <austern@sgi.com>
3506 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
3509 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
3511 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
3513 (crtbegin.o, s-crtS): Likewise.
3515 2000-01-06 Richard Henderson <rth@cygnus.com>
3517 * alpha.md (adddi_2+1): Limit offset such that it will be
3518 loadable with a single ldah+lda pair.
3519 (adddi_2+2): Explicitly fail split if we can't make it work.
3521 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
3523 * protoize.c: Conditionally include unistd.h.
3524 (IS_SAME_PATH_CHAR): New macro.
3525 (IS_SAME_PATH): New macro.
3526 (CPLUS_FILE_SUFFIX): New macro.
3527 (cplus_suffix): New static variable.
3528 (is_abspath): New static function.
3529 (in_system_include_dir): Handle DOS style pathnames.
3530 (file_could_be_converted): Likewise.
3531 (file_normally_convertible): Likewise.
3532 (directory_specified_p): Likewise.
3533 (file_excluded_p): Likewise.
3534 (abspath): Likewise.
3535 (shortpath): Likewise.
3536 (referenced_file_is_newer): Likewise.
3537 (save_def_or_dec): Likewise.
3538 (do_processing): Likewise.
3540 (edit_file): Likewise. Use rename instead of link.
3541 (rename_c_file): Likewise. Don't rename syscalls file.
3542 (munge_compile_params): Define null device for DOS based systems.
3543 (process_aux_info_file): Use binary mode if appliable.
3544 (edit_file): Likewise.
3545 * invoke.texi (Running Protoize): Document C++ suffixes used.
3547 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
3548 IS_DIR_SEPARATOR macros.
3549 * collect2.c: Likewise.
3550 * cppinit.c: Likewise.
3551 * dwarf2out.c: Likewise.
3554 * prefix.c: Likewise.
3556 * toplev.c: Likewise.
3557 * system.h: And move to here.
3559 * prefix.c (update_path): Fix typo in variable name.
3561 2000-01-06 Richard Henderson <rth@cygnus.com>
3563 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
3564 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
3565 (count_reg_sets_1, count_reg_references): Likewise.
3566 (flow_loops_level_compute): Start counting actual loop depth at 1.
3567 (flow_loops_find): Likewise.
3568 * local-alloc.c (update_equiv_regs): Likewise.
3569 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
3571 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3573 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
3574 FIRST_PSEUDO_REGISTER
3575 * dwarf2out.c: Don't include frame.h
3576 * dwarfout.c: Likewise
3577 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
3580 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
3582 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3585 * i386.c (movsf splitter): Fix typo in my last checkin.
3587 2000-01-05 Nick Clifton <nickc@cygnus.com>
3589 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
3590 own definition of this macro.
3591 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
3592 flag_data_sections or UNIQUE_SECTION_P are true.
3594 * tm.texi (UNIQUE_SECTION): Document that it can be called for
3595 unitialised data decls.
3597 * config/i386/winnt.c (i386_pe_unique_section): Cope with
3598 being called for uninitialised data.
3600 * config/i386/interix.c (i386_pe_unique_section): Cope with
3601 being called for uninitialised data.
3603 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
3604 for uninitialised data.
3606 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
3607 for uninitialised data.
3609 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
3610 for uninitialised data.
3612 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
3613 (UNIQUE_SECTION_P): Always generate a unique section if
3614 flag_data_sections is true.
3615 (UNIQUE_SECTION): Also generate unique sections for
3617 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
3618 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
3621 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3623 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
3626 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3628 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
3629 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
3630 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
3631 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
3632 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
3634 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
3636 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
3638 * c-decl.c (finish_enum): Simplify code to determine minimum and
3639 maximum values of the enum, and calculate the type. Remove check
3640 for FUNCTION_DECLs in the values list, which cannot happen. Replace
3641 the DECL_INITIAL of each enumeration constant with a copy converted
3642 to the enumeration type. When updating variant types, don't bother
3643 updating the type itself.
3645 * c-typeck.c (build_binary_op): Simplify conditional expressions
3646 when weeding out spurious signed-unsigned warnings. Add new
3647 spurious warning category: if the unsigned quantity is an enum
3648 and its maximum value fits in signed_type(result_type). Update
3650 (build_conditional_expr): Warn here if one alternative is signed
3651 and the other is unsigned.
3653 2000-01-05 Nick Clifton <nickc@cygnus.com>
3655 * config/fr30/fr30.h: Remove extraneous comments.
3657 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
3659 * reload1.c (choose_reload_regs): When disabling a reload, also
3660 set reload_spill_index to -1.
3662 2000-01-04 Joel Sherrill (joel@OARcorp.com>
3664 * configure.in (m68*-*-rtemscoff*): New target, formal name for
3666 (m68*-*-rtemself*): New target.
3667 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
3668 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
3669 (sparc*-*-rtemself*): New target.
3670 (sparc*-*-rtems*): Now elf not a.out.
3671 * config/i386/rtems.h: Include config/rtems.h.
3672 * config/i386/rtemself.h: Include config/rtems.h.
3673 * config/i960/rtems.h: Include config/rtems.h.
3674 * config/m68k/rtems.h: Include config/rtems.h.
3675 * config/m68k/rtemself.h: Include config/rtems.h.
3676 * config/mips/rtems64.h: Include config/rtems.h.
3677 * config/pa/rtems.h: Include config/rtems.h.
3678 * config/rs6000/rtems.h: Include config/rtems.h.
3679 * config/sh/rtems.h: Include config/rtems.h.
3680 * config/sh/rtemself.h: Include config/rtems.h.
3681 * config/sparc/rtems.h: Include config/rtems.h.
3682 * config/sparc/rtemself.h: Include config/rtems.h
3684 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
3686 * final.c (shorten_branches): Correctly compute length of
3687 asms without operands.
3689 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
3691 * configure.in: Add pj target.
3692 * configure: Regenerate.
3693 * config/pj: New directory.
3694 * config/pj/lib1funcs.S: New file.
3695 * config/pj/linux.h: New file.
3696 * config/pj/pj.c: New file.
3697 * config/pj/pj.md: New file.
3698 * config/pj/pjl.h: New file.
3699 * config/pj/t-pj: New file.
3700 * config/pj/xm-pj.h: New file
3702 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
3704 * toplev.c (rest_of_compilation): Run shorten-branches before
3707 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3709 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
3710 macros so that they're consistent with their names.
3711 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3712 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
3714 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3716 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
3717 modified inadvertently.
3719 2000-01-04 Joel Sherrill <joel@OARcorp.com>
3721 * configure.in (v850*-*-rtems*): New target.
3722 * configure: Regenerate.
3723 * config/v850/rtems.h: New file.
3725 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
3727 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
3728 (__gthread_key_create): Likewise.
3729 (__gthread_key_dtor): Likewise.
3730 (__gthread_once): Fix logic.
3731 (__gthread_key_delete): Cast away constness.
3733 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
3734 * invoke.texi: Document.
3735 * i386/mingw32.h (CPP_SPEC): Use.
3736 (LIBGCC_SPEC): Likewise.
3737 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
3739 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3741 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
3742 (HANDLE_PRAGMA_PACK): Undefine.
3743 (SLOW_UNALIGNED_ACCESS): Define.
3745 2000-01-04 David Edelsohn <edelsohn@gnu.org>
3747 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3748 to default definition.
3749 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
3750 (store_fixed_bit_field): Call macro with word_mode and alignment.
3751 (extract_bit_field): Call macro with relevant mode and alignment.
3752 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
3753 to default definition.
3754 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
3756 (move_by_pieces_ninsns): Likewise.
3757 (clear_by_pieces): Likewise.
3758 (emit_push_insn): Likewise.
3759 (store_field): Call macro with relevant mode and alignment.
3760 (expand_expr): Likewise.
3761 (expand_expr_unaligned): Likewise.
3763 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
3764 (SLOW_UNALIGNED_ACCESS): Define.
3765 (CASE_VECTOR_MODE): Always use 32-bit offsets.
3766 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
3767 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
3768 (toc_section): Likewise and .toc pseudo-op.
3769 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
3771 (TEXT_SECTION_ASM_OP): Likewise.
3772 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
3775 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
3776 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
3777 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
3778 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
3779 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
3781 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
3783 * regclass.c: Revert my Jan 4 change to loop cost computation.
3785 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3787 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
3790 2000-01-04 Stan Cox <scox@cygnus.com>
3792 * haifa-sched.c (build_control_flow): Change unreachable simple
3793 loop test to check if current block has only one predecessor.
3794 (find_rgns): Initialize degree. Use dest as degree index, not src.
3796 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3798 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
3800 * calls.c (expand_call): Likewise for
3801 `old_stack_arg_under_construction'.
3803 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
3805 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
3808 * gcc.c (execute): Likewise for `ut' and `st'.
3810 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
3812 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
3814 * jump.c (jump_optimize_1): Likewise for `temp2'.
3816 * local-alloc.c (block_alloc): Likewise for `r1'.
3818 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
3820 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
3821 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
3823 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
3826 * reload.c (find_reloads): Likewise for `goal_alternative_number'
3827 and `goal_earlyclobber'.
3829 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
3831 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
3833 * stupid.c (stupid_life_analysis): Likewise for `chain'.
3835 * unroll.c (copy_loop_body): Likewise for `copy'.
3837 * varasm.c (output_constructor): Likewise for `byte'.
3839 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3841 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
3842 all FP constants for constant->reg moves.
3843 (ix86_split_to_parts): Try to convert memory address into immediate
3844 when available in the constant pool.
3845 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
3847 (LEGITIMATE_CONSTANT_P): Return 1.
3848 * i386.md (pushsf): New splitter to convert constant pool memory
3849 reference to immediate.
3850 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
3853 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
3855 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
3856 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
3857 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
3858 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
3859 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
3861 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
3863 * ginclude/stdbool.h: Support compilation as C++.
3865 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3867 * fold-const.c (make_range): Don't try to reverse an unbounded range.
3869 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
3871 * regclass.c (regclass): Properly compute loop_cost. Adjust
3874 * regclass.c: Fix minor whitespace problems.
3876 2000-01-03 Anthony Green <green@cygnus.com>
3878 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
3879 Restore the pic register if required.
3881 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
3883 * c-common.c (format_char_info): Update comment.
3884 (check_format_info): Recognize 'z' modifier in the same way 'Z'
3885 was recognized. Emit warning for formats new in ISO C99 only
3886 if flag_isoc9x is not set.
3888 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
3890 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
3892 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
3894 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
3895 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
3896 (make_compound_operation): Choose cheaper alternative between
3897 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
3899 * regclass.c (op_costs): Remove global variable.
3900 (record_reg_classes): New parameter "op_costs" and "reg_pref".
3901 (record_operand_costs): Break out from ...
3902 (scan_one_insn): ... here.
3903 (dump_regclass): Make dumps nicer.
3904 (regclass): Dump preferrences choosed and changes done during passes.
3906 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3908 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
3910 2000-01-03 Jakub Jelinek <jakub@redhat.com>
3912 * config/sparc/sparc.c (gen_df_reg): New function.
3913 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
3914 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
3915 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
3916 movtf_cc_reg_sp64+1): Use it.
3918 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3920 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
3923 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3925 * config/i386/i386.c (ix86_expand_unary_operator): Function
3926 definition made void.
3927 (ix86_expand_binary_operator): Update outdated preceding comment.
3928 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
3931 * config/i386/i386.c (override_options): Fix option-name typo.
3933 2000-01-02 Mark Mitchell <mark@codesourcery.com>
3935 * system.h (CEIL): Define.
3936 * builtins.c (CEIL): Remove.
3937 * expmed.c (CEIL): Likewise.
3938 * expr.c (CEIL): Likewise.
3939 * stor-layout.c (CEIL): Likewise.
3941 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3943 * expr.c (store_constructor_field): Fix typo introduced with last
3946 2000-01-01 Mark Mitchell <mark@codesourcery.com>
3948 * tree.h (BINFO_N_BASETYPES): New macro.
3950 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
3952 * expmed.c (emit_store_flag): Prevent losing a pending stack
3953 adjust the same way we prevent losing queued increments.
3955 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3957 * function.c (update_temp_slot_address): Handle case where sum of
3958 temporary address plus offset in register is a valid address.
3960 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3962 * genrecog.c (change_state) Corrected typo.
3964 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3966 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
3967 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
3968 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
3970 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
3972 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
3973 case, expand GT comparisons correctly. Fix a comment before this
3976 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
3978 * dwarfout.c: Include "frame.h"
3979 * dwarf2out.c: Likewise.
3980 * Makefile.in (dwarfout.o): Depend on frame.h
3981 (dwarf2out.o): Likewise.
3983 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
3985 Restore i386 binary compatibility in Dwarf EH info.
3986 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
3987 value of FIRST_PSEUDO_REGISTER.
3988 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
3989 (struct frame_state): Use DWARF_FRAME_REGISTERS.
3990 * dwarfout.c (output_reg_number): Ditto.
3991 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
3992 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
3994 1999-12-29 Bruce Korb <autogen@linuxbox.com>
3996 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
3997 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
3998 (<hack>_RE_CT): not needed
3999 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
4000 rewritten to scan the file text once only
4001 "template<..." test added
4002 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
4003 (is_cxx_header): declaration added
4004 * fixinc/fixtests.c(is_cxx_header): removed
4005 (apply_fix_p_t): removed
4006 (double_slash_test): is_cxx_header is only called once now
4007 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
4008 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
4009 within the templates.
4010 The borken spelling of "broken" was fixed.
4011 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
4012 The default level depends on FIXINC_DEBUG.
4014 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4016 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
4017 Otherwise provide a declaration for atexit.
4018 (init_dummy): Make sure dummy call to atexit is nevertheless
4019 called with correct number of args.
4021 * frame.c: Update comments referring to other files.
4023 * libgcc2.c: Likewise.
4025 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4027 * cse.c (free_element, get_element): Remove unused prototypes.
4029 * fold-const.c (extract_muldiv): Initialize variables `op0' and
4032 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
4035 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
4037 * configure.in,configure: case arm for mn10200-*-* now sets
4038 float_format=i32 so that float.h will correctly claim "double"
4039 to be 32 bits. Ran autoconf to generate configure from .in file.
4041 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
4043 * pa.md (conditional zero): If op1 is a register, force it into
4044 the same register as op0.
4046 1999-12-28 Mark Mitchell <mark@codesourcery.com>
4048 * tree.h (BINFO_BASETYPES): Improve documentation.
4050 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4052 * configure.in (--enable-checking): Use a more portable `for'
4055 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4057 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
4058 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
4060 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
4063 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
4064 Delete descriptions.
4066 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
4067 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
4068 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
4069 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
4070 xm-svr4.h: Remove all instances of sys_siglist handling.
4072 1999-12-27 Jakub Jelinek <jakub@redhat.com>
4074 * config/sparc/sparc.md (cmp_zero_qi,
4075 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
4076 cmp_zero_extendqidi2_andcc_set): New patterns.
4078 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
4080 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
4081 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
4082 (fpgnulib.c, xfgnulib.c): Add rules.
4083 * m68k/t-mot3300-gas: Likewise.
4085 1999-12-27 Ian Lance Taylor <ian@zembu.com>
4087 * configure.in: Avoid [[ by using test and changequote. Add
4088 changequote required by 1999-12-14 change.
4089 * configure: Rebuild.
4091 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
4093 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
4095 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
4097 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
4098 * flow.c (find_use_as_address): Likewise.
4099 * function.c (fixup_var_refs_1): Likewise.
4100 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
4101 * jump.c (invert_exp, redirect_exp): Likewise.
4102 * loop.c (replace_call_address): Likewise.
4103 (count_nonfixed_reads): Likewise.
4104 * rtlanal.c (modified_between_p): Likewise.
4105 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
4106 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
4107 * unroll.c (remap_split_bivs): Likewise.
4109 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4111 * diagnostic.c (v_message_with_decl): Use .* format specifier
4112 instead of building the format specifier width manually.
4114 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
4115 determining whether to provide a prototype. Remove the
4116 sys_siglist clause in the conditional.
4118 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4120 * fold-const.c (operand_equal_p): Use memcmp to compare string
4122 Suggested by D. J. Bernstein
4124 1999-12-17 Jakub Jelinek <jakub@redhat.com>
4126 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
4127 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
4129 * config/mips/mips.h (TARGET_64BIT): Likewise.
4130 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
4131 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
4132 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
4133 dsps. Give routines proper names if SI/DI modes are not used.
4134 * longlong.h: Use DWunion instead of DIunion.
4136 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
4138 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
4139 GC_CHECKING, GC_ALWAYS_COLLECT.
4140 * configure.in: Allow --enable-checking with an argument
4141 listing check modes to enable.
4142 * config.in, configure: Rebuilt.
4143 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
4144 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
4145 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
4146 ENABLE_GC_ALWAYS_COLLECT.
4147 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
4149 * tree.h, tree.c: Change ENABLE_CHECKING to
4150 ENABLE_TREE_CHECKING throughout.
4152 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4154 * fold-const.c (fold_truthop): Properly check for FP RHS.
4156 1999-12-24 Mark Mitchell <mark@codesourcery.com>
4158 * toplev.h (note_deferall_of_defined_inline_function): Declare.
4159 * toplev.c (note_deferral_of_defined_inline_function): New
4160 function, split out from ...
4161 (rest_of_compilation): ... here. Use it.
4163 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4165 * expr.c (store_constructor): Don't call clear_storage if size is
4168 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4170 * Makefile.in (toplev.o): Depend on loop.h.
4172 * dwarfout.c: Include tm_p.h.
4174 * emit-rtl.c (restore_emit_status): Mark parameter with
4177 * final.c (final_scan_insn): Likewise.
4179 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
4180 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
4181 flow_depth_first_order_compute, flow_loop_pre_header_find,
4182 flow_loop_tree_node_add, flow_loops_tree_build,
4183 flow_loop_level_compute, flow_loops_level_compute,
4184 flow_loop_outside_edge_p): Add prototypes.
4185 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
4187 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
4188 Mark with ATTRIBUTE_NORETURN.
4190 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
4192 * local-alloc.c (no_conflict_p): Likewise.
4194 * loop.c (insert_bct): Hide definitions of variables with hidden
4196 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
4198 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
4199 with ATTRIBUTE_UNUSED.
4200 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
4201 (reg_scan): Likewise.
4203 * reload.c (find_reloads): Remove unused variables `changed'.
4205 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
4207 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
4208 Remove unused variable `insn'.
4210 * toplev.c: Include loop.h.
4211 (report_file_and_line): Remove unnecessary prototype.
4213 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
4215 * unroll.c (biv_total_increment): Likewise.
4217 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4219 * reload1.c (emit_input_reload_insns): Restore old behaviour
4220 wrt. 'special' reloads.
4222 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
4224 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
4225 hash.h. (cse.c): Don't depend on hashtab.h.
4227 * cse.c: Don't include hashtab.h.
4228 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
4230 * ggc-simple.c: Don't include hash.h.
4232 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
4234 * dwarf2out.c (add_abstract_origin_attribute): Call
4235 gen_abstract_function on our function context.
4237 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
4239 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
4241 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4243 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
4246 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4248 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
4249 constraints to "a!r".
4251 1999-12-21 Mark Mitchell <mark@codesourcery.com>
4253 * Makefile.in (calls.o): Depend on function.h.
4254 (alias.o): Likewise.
4256 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
4258 * reload1.c (emit_reload_insns): Break out code and variables into...
4259 (input_reload_insns, other_input_address_reload_insns,
4260 other_input_reload_insns, input_address_reload_insns,
4261 inpaddr_address_reload_insns, output_reload_insns,
4262 output_address_reload_insns, outaddr_address_reload_insns,
4263 operand_reload_insns, other_operand_reload_insns,
4264 other_output_reload_insns): ... new static variables, and...
4265 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
4266 do_output_reload): ... new functions.
4268 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4270 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
4272 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4274 * md.texi: Add c4x constraints documentation.
4276 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4278 * config/i386/dgux.c (struct option): Rename to
4279 lang_independent_option.
4280 (struct m_options): Add description field.
4281 (output_options): Rename option type, add sep declaration, output
4282 ix86_cpu_string and ix86_arch_string only if set.
4283 (output_file_start): Rename option type.
4285 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
4287 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
4289 (libgcc2.a): Similarly.
4291 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
4293 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
4294 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
4295 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
4297 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
4299 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
4300 Remove redundant initialization of "frexpon" and "expon".
4302 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4304 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
4306 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
4307 (store_constructor_field, expand_expr): Pass new arg.
4309 1999-12-20 Mark Mitchell <mark@codesourcery.com>
4311 * Makefile.in (explow.o): Depend on function.h.
4313 * stor-layout.c (set_sizetype): Fix typo.
4315 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
4317 * function.c (cfun): Renamed from current_function. All users
4319 * function.h (cfun): Rename declaration as well.
4321 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
4322 to be of type regset_head, not regset. All users changed by adding
4324 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
4326 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4328 * config/c4x/rtems.h: New file.
4330 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
4332 * reload1.c (spill_failure): Take class of failed reload as argument
4333 and print it. Caller changed.
4335 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4337 * rs6000.h (SUBTARGET_DEFAULT): New macro.
4338 (TARGET_SWITCHES): Allow subtargets to default switches.
4339 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
4341 1999-12-18 Mark Mitchell <mark@codesourcery.com>
4343 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
4346 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
4348 * cccp.c (main): Define __STDC_VERSION__ as necessary.
4349 * cppinit.c (cpp_handle_option): Likewise.
4351 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
4352 determine when to define.
4354 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
4356 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
4357 cmove with mismatched test and data modes.
4359 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
4361 * c-typeck.c (c_expand_start_case): Don't warn for long switch
4364 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4366 * alias.c: Minor reformatting.
4369 * stor-layout.c: Likewise.
4370 * fold-const.c: Likewise.
4371 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
4372 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
4374 (size_int_wide): Cache nodes even if garbage collecting.
4375 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
4376 of SAVE_EXPR has no side effects.
4377 * cse.c: Move a comment.
4378 * tree.c: Minor reformatting.
4379 (int_size_in_bytes): Return -1 if constant overflows.
4381 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4383 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
4385 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
4387 * objc/objc-parse.c: Regenerate. This file must be rebuilt
4388 after any change to c-parse.in, even if objc-parse.y didn't
4391 1999-12-18 David S. Miller <davem@redhat.com>
4393 * toplev.c (rest_of_compilation): Restore BLOCK tree
4394 reconstruction and branch shortening changes lost in
4395 December 18th change.
4397 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
4399 * config/arm/linux-elf.h: Change all instances of
4400 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
4401 * config/arm/uclinux-elf.h: Likewise.
4403 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
4405 * toplev.c (notice, vmessage, v_message_with_file_and_line,
4406 v_message_with_decl, file_and_line_for_asm,
4407 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
4408 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
4409 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
4410 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
4411 pfatal_with_name, fatal_io_error, need_error_newline,
4412 last_error_function, last_error_tick, announce_function,
4413 default_print_error_function, print_error_function,
4414 report_error_function, fnotice, error_with_file_and_line,
4415 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
4416 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
4417 warning_with_decl, warning_for_asm, warning, pedwarn,
4418 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
4420 (compile_file): Use fnotice instead of notice. Adjust call.
4422 * diagnostic.c: New file.
4424 * Makefile.in (OBJS): Include diagnostic.o
4425 (diagnostic.o): Define dependence.
4427 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4429 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
4432 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4434 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
4436 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
4438 * fixtests.c (is_cxx_header): New fn, split out of
4440 (else_endif_label): Allow "#endif // comment" in C++ headers,
4441 as determined by is_cxx_header.
4442 * fixfixes.c (else_endif_label_fix): Update comment.
4443 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
4445 * genfixes: Correct double thinko in commandline parsing.
4446 * hackshell.tpl: Generate correct sh syntax for bypass
4449 * inclhack.def (all): Whenever an inserted preprocessor
4450 conditional is split over multiple lines, use double
4451 backslashes in this file so the fixed header will be readable.
4453 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
4454 and add bypass entry for correct version of this header.
4455 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
4456 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
4458 (hpux8_bogus_inlines): New fix, split from...
4459 (ultrix_atof_param) ... here.
4460 (math_expression): Add bypass entry keyed to glibc comment
4461 indicating the problem has been dealt with; disable
4462 unnecessary sed operations; update commentary.
4463 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
4464 add select and bypass entries, simplify shell operation.
4465 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
4467 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
4468 ultrix_atof_param): Add select entry.
4469 (stdio_va_list, sunos_mather_decl): Add bypass entry.
4470 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
4471 comments with the fixes they describe.
4473 * c-parse.in (string action): Do not warn about ANSI string
4474 concatenation in system headers. Affects C parser only.
4475 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
4477 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4479 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
4480 compiling libgcc2 the macro depends always on arch cpp defines.
4482 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
4484 * loop.c (insert_loop_mem): Don't record MEMs from inside
4487 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
4489 * regclass.c (regclass): Do not use flowgraph when not optimizing.
4491 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
4492 notes too, create one when replacement failed, attempt to simplify
4494 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
4497 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4499 * crtstuff.c (__dso_handle): Declare.
4500 (__cxa_finalize): Likewise.
4501 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
4504 * invoke.texi: Document -fuse-cxa-atexit.
4506 * tree.h (ptr_type_node): Document.
4507 (const_ptr_type_node): Likewise.
4509 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4511 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
4512 (optimize_reg_copy_2): Likewise.
4513 (optimize_reg_copy_3): Likewise.
4514 (fixup_match_2): Likewise.
4515 (regmove_optimize): Likewise.
4516 (fixup_match_1): Liekwise.
4518 * i386.md (HI to SImode promoting splitters): Rewrite.
4519 (pushsf mem peep2): New.
4520 (testhi to andhi peep2): Remove.
4521 * i386.h (x86_promote_QImode): New.
4522 (TARGET_PROMOTE_QImode): New.
4523 (PREDICATE_CODES): Add promotable_binary_operator.
4524 * i386.c (x86_promote_QImode0: New.
4525 (promotable_binary_operator): New.
4526 * i386-protos.h (promotable_binary_operator): New.
4528 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
4530 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
4532 1999-12-16 Mark Mitchell <mark@codesourcery.com>
4534 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
4535 * function.c (insert_block_after_note): Remove.
4536 (retrofit_block): Likewise.
4537 (identify_blocks): Fix indentation.
4538 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
4539 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
4540 * function.h (insert_block_after_note): Remove prototype.
4541 (retrofit_block): Likewise.
4542 * integrate.c (expand_inline_function): Don't call
4543 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
4544 just expand_start_bindings. Use the block_map to remap old
4545 NOTE_BLOCKs to new ones.
4546 (integrate_decl_tree): Keep track of remapped blocks.
4547 * integrate.h (struct inline_remap): Add block_map.
4548 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
4549 NOTE_BLOCK on the notes.
4550 (expand_start_bindings): Rename to ...
4551 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
4552 (expand_end_bindings): Set NOTE_BLOCK.
4553 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
4554 reconstruct the BLOCK tree.
4555 * tree.h (expand_start_bindings): Macroize. Call ...
4556 (expand_start_bindings_and_block): New function.
4558 1999-12-16 Jakub Jelinek <jakub@redhat.com>
4560 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
4561 to match the format.
4563 1999-12-16 David S. Miller <davem@redhat.com>
4565 * expr.c (emit_move_insn_1): Only emit clobbers if one of
4566 the outputs is a SUBREG.
4567 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
4570 * config/sparc/sparc.c (epilogue_renumber): Add default case
4573 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4575 * toplev.c (rest_of_compilation): Run branch shortening after
4578 * regclass.c (loop_depth): Remove
4579 (scan_one_insn): Do not handle LOOP_NOTE insns.
4580 (regclass): Go through basic blocks and set loop_cost
4582 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
4584 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
4586 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4588 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
4589 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
4590 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
4592 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
4594 * loop.c (insert_loop_mem): Ignore memory clobbers.
4596 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
4599 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
4601 * profile.c: Remove redundant #include "output.h".
4603 * h8300.md (HImode preinc peephole): Fix typo.
4605 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4607 * function.c (retrofit_block): Abort if we don't find a suitable insn.
4608 (insert_block_after_note): Abort if we don't have a previous block.
4609 Remove FN parameter.
4610 * function.h: Adjust.
4612 1999-12-15 Mark Mitchell <mark@codesourcery.com>
4614 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
4615 argument more than once.
4617 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4619 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
4621 1999-12-15 Jakub Jelinek <jakub@redhat.com>
4623 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
4625 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4627 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
4628 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
4629 update stack_alignment_needed.
4630 (prepare_function_start): Initialize stack_alignment_needed
4631 * function.h (struct function): Add field stack_alignment_needed.
4633 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4635 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
4636 Handle live_throughout / dead_or_set instead of live_before /
4638 (save_call_clobbered_regs): Get register livenessinformation from
4639 chain->live_throughout.
4640 (add_stored_regs): New function.
4641 (insert_restore, insert_save): Add restored / saved registers to
4643 * global.c (reg_dies): New parameter chain.
4644 (reg_becomes_live): Third parameter is regs_set now.
4645 Changed all callers.
4646 (reg_dies): New parameter chain. Changed all callers.
4647 (build_insn_chain): Set live_throughout instead of
4648 live_before / live_after.
4649 * reload.h (struct insn_chain): Replace members live_before /
4650 live_after with live_throughout / dead_or_set.
4651 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
4652 instead of live_before / live_after.
4653 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
4654 (order_regs_for_reload, find_reg, finish_spills): Likewise.
4655 (choose_reload_regs_init): Likewise.
4656 * stupid.c (current_chain, find_clobbered_regs): Delete.
4657 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
4658 instead of chain->live_before / chain->live_after.
4659 (mark_hard_ref): New function.
4660 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
4662 1999-12-15 David S. Miller <davem@redhat.com>
4664 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
4666 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4668 * flow.c (calculate_loop_depth): Make global, remove prototype,
4669 rewrite to use new loop infrastructure.
4670 (find_basic_block): Remove calculate_loop_depth call.
4671 * toplev.c (rest_of_compilation): Call find_basic_block.
4672 * output.h (calculate_loop_depth): Declare.
4674 * flow.c (dump_flow_info): Dump loop_depth.
4675 (flow_loops_nodes_find): Increase loop_depth for basic block in the
4677 (flow_loops_find): Initialize the loop_depth for each basic block.
4679 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
4681 * tree.c (decl_function_context): Handle virtual functions.
4683 * tlink.c (scan_linker_output): Don't look in demangled name when
4684 looking for linker output keywords.
4686 * dwarfout.c (output_type): We can defer namespace-scope classes.
4688 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
4690 * regclass.c (record_reg_classes): Update comment for merging
4691 register class preferences in reg->reg copies. Tighten conditions
4692 for merging register class preferences in reg->reg copies.
4694 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
4696 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
4698 1999-12-14 Geoff Keating <geoffk@cygnus.com>
4700 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
4701 (INIT_SECTION_ASM_OP): Delete.
4702 (FINI_SECTION_ASM_OP): Delete.
4703 (STARTFILE_SPEC): Define to hold just crtbegin.o.
4705 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
4707 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
4708 the abstract origin wasn't emitted.
4710 * dwarf2out.c (class_scope_p): New fn.
4711 (gen_subprogram_die): Use it.
4712 (gen_variable_die): Use it. Tweak logic.
4713 (gen_struct_or_union_type_die): Check context_die to determine
4714 if we're function-local.
4715 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
4717 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4719 * loop.c (check_dbra_loop): Can't reverse a biv that has
4722 1999-12-14 Nick Clifton <nickc@cygnus.com>
4724 * config/arm/arm.c: Add support for -mcpu=arm720 command line
4727 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
4729 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
4730 for givs made from biv increments.
4732 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
4734 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
4735 * alpha.c (override_options): Recognize -mcpu=ev67.
4736 * alpha.h (CPP_CPU_EV67_SPEC): New.
4737 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
4738 (EXTRA_SPECS): Update.
4740 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
4742 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
4743 appropriate for -lang-c89 and -std=*.
4744 * cppinit.c (cpp_handle_option): Likewise.
4745 (new_pending_define): New, split out from cpp_handle_option.
4746 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
4747 or enable trigraphs for -ansi/-std=*.
4749 * ginclude/stdarg.h (__va_copy): New.
4750 (va_copy): Don't define for C89.
4752 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
4754 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
4755 for long long multiply-accumulate.
4757 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4759 * regclass.c (scan_one_insn): Set loop_cost to 1 when
4760 optimizing for size.
4762 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4764 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
4765 if something changed. Back out that part of yesterday's changes.
4767 * loop.c (loop_max_reg): New static variable.
4768 (loop_optimize): Initialize it. Eliminate one unnecessary call to
4770 (scan_loop): Call reg_scan_update whenever we may have added new
4771 registers, and update loop_max_reg.
4773 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
4775 * regclass.c (record_reg_classes): Do not do the copying preferrencing
4776 when source does not die.
4778 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
4780 1999-12-14 Jakub Jelinek <jakub@redhat.com>
4782 * config/sparc/linux64.h (TARGET_LIVE_G0,
4783 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
4785 * config/sparc/linux.h (TARGET_LIVE_G0,
4786 TARGET_BROKEN_SAVERESTORE): Likewise.
4787 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
4788 TARGET_BROKEN_SAVERESTORE): Likewise.
4790 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
4791 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
4793 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
4794 as sparc64 block profiling register.
4795 * config/sparc/sparc.c (sparc_override_options): Allow block
4796 profiling with -m32.
4797 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
4799 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
4800 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
4801 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
4803 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
4805 * config/sparc/sparc.h: Likewise.
4806 * config/sparc/xm-sysv4-64.h: Likewise.
4807 * config/float-sparc.h: Likewise.
4808 * glimits.h: Likewise.
4809 * longlong.h: Likewise.
4811 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
4812 (ASM_IDENTIFY_GCC): Remove.
4814 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
4816 * combine.c (combine_simplify_rtx): Don't make shared rtl.
4817 (simplify_logical): Likewise.
4819 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4821 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
4822 * cppfiles.c (INO_T_EQ): Likewise.
4824 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
4826 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
4827 * i386/mingw32.h (LIB_SPEC): Likewise.
4828 (STARTFILE_SPEC): Likewise.
4829 * i386/uwin.h (LIB_SPEC): Likewise.
4830 (STARTFILE_SPEC): Likewise.
4832 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
4833 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
4835 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
4837 * combine.c (combine_simplify_rtx): Fix order of checks for
4838 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
4840 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
4842 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
4843 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
4845 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
4847 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
4849 * regclass.c (inv_reg_alloc_order): New array.
4850 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
4852 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
4853 counted_for_groups, counted_for_nongroups. Add fields rld and
4855 * reload.c (push_secondary_reload): Don't set nongroup field of
4857 (push_reload): Likewise.
4858 (find_reloads): Delete code to compute nongroup fields.
4859 * reload1.c (reload_insn_firstobj): New static variable.
4860 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
4862 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
4863 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
4864 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
4866 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
4868 (struct hard_reg_n_uses): Deleted.
4869 (potential_reload_regs): Deleted.
4870 (init_reload): Initialize spilled_pseudos and pseudos_counted.
4871 (reload): Don't try to allocate reload registers if we already know
4872 we have to make another pass. Call select_reload_regs. Free memory
4873 starting with reload_firstobj when starting another pass.
4874 Don't allocate spilled_pseudos.
4875 (calculate_needs_all_insns): Call copy_reloads for an insn that
4876 needs reloads; don't call calculate_needs.
4877 (spill_cost): New static array.
4878 (used_spill_regs_local): New static variable.
4879 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
4880 to compute potential_reload_regs.
4881 (find_reload_regs): Completely rewritten to use find_reg.
4882 (allocate_reload_reg): Don't test counted_for_groups or
4883 counted_for_nongroups. Lose NOERROR arg and code to give an error;
4885 (choose_reload_regs): Add fallback code that uses the existing
4886 register allocation from find_reload_regs.
4888 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
4890 * flow.c (create_edge_list): Cast xmalloc return value.
4892 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
4894 * doprnt.c: Remove incorrect comment closure.
4896 * cse.c: Fix a few minor whitespace goofs.
4898 1999-12-13 Don Bowman <don@pixstream.com>
4900 * mips/vxworks.h: Fix problem with comment termination.
4901 (EXTRA_SECTIONS): Add in_sbss.
4902 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
4904 1999-12-12 David S. Miller <davem@redhat.com>
4906 * cse.c (struct cse_reg_info): Add hash_next member,
4907 reorder rest of struct for better packing on 64-bit
4909 (cse_reg_info_tree): Kill.
4910 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
4911 REGHASH_FN): New custom pow2 hash mechanism.
4913 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
4914 use a pow2 hash table.
4915 (get_cse_reg_info): Rework to use new REGHASH.
4916 (new_basic_block): Likewise, use HASH_SIZE, and inline
4918 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
4919 and inline free_element call.
4920 (lookup_as_function, insert, flush_hash_table, invalidate,
4921 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
4922 invalidate_for_call, use_related_value, find_comparison_args,
4923 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
4924 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
4927 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
4929 * cse.c (cse_basic_block): Free qty_table consistently.
4931 1999-12-12 David S. Miller <davem@redhat.com>
4932 Jakub Jelinek <jakub@redhat.com>
4934 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
4935 SUBREGs by hand, gen the appropriate hard reg directly.
4936 (movtf reg/mem split): Likewise and alter_subreg on destination
4938 (movtf mem/reg split): Similarly.
4939 (movdf_cc_sp64): Rename from hidden pattern.
4940 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
4941 (movtf_cc_sp64, following split): New pattern and splitter.
4942 (movdf_cc_reg_sp64): Rename from hidden pattern.
4943 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
4945 (movtf_cc_reg_sp64, following split): New pattern and splitter.
4947 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
4949 * loop.c (load_mems): Don't hoist written floating point mem
4952 1999-12-12 Mark Mitchell <mark@codesourcery.com>
4954 * except.h (struct eh_queue): Add `next' pointer.
4955 (struct eh_status): Make x_ehqueue a pointer.
4956 (push_ehqueue): Declare.
4957 (pop_ehqueue): Likewise.
4958 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
4960 (expand_fixup_region_end): Likewise.
4961 (expand_leftover_cleanups): Likewise.
4962 (push_ehqueue): Define.
4963 (pop_ehqueue): Likewise.
4964 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
4965 than doing it inline.
4966 (expand_start_all_catch): Adjust now that ehqueue is a
4968 (mark_eh_queue): Mark all level of the queue.
4969 (mark_eh_status): Adjust now that ehqueue is a
4971 (init_eh_for_function): Allocate ehqueue.
4972 (free_eh_status): Free it.
4973 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
4974 expansion for a fixup.
4976 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4978 * gthr-single.h (__gthread_active_p): Add prototype arguments.
4980 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
4981 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
4982 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
4983 function_ptr, getpagesize, __enable_execute_stack,
4984 __enable_execute_stack, __clear_insn_cache,
4985 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
4986 _cleanup, _exit, __default_terminate, __terminate_func,
4987 __terminate, __empty, __throw, new_eh_context,
4988 eh_context_initialize, eh_context_static, eh_context_specific,
4989 get_eh_context, __get_eh_context, __get_eh_info,
4990 init_reg_size_table, eh_threads_initialize,
4991 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
4992 __unwinding_cleanup, throw_helper, __throw, __rethrow,
4993 __pure_virtual): Add prototype arguments.
4994 (__bb_exit_func): Cast a sizeof to long when comparing against one.
4995 Cast a signed value to unsigned long when comparing against one.
4996 (new_eh_context): Wrap in _GTHREADS macro.
4997 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
4999 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
5000 (throw_helper): Initialize variables `handler_p' and `pc_p'.
5002 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5004 * combine.c (record_promoted_value): Remove unused variable
5007 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
5009 * global.c (record_conflicts): Likewise for `j'.
5011 * genoutput.c (output_insn_data): Don't unnecessarily cast away
5014 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5016 * i386-protos.h (output_387_binary_op, output_fix_trunc,
5017 output_fp_compare): Constify a char*.
5019 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
5021 (override_options, ix86_comp_type_attributes, print_operand,
5022 output_387_binary_op, output_fix_trunc, output_fp_compare):
5024 (ix86_sched_reorder): Mark parameter `clock_var' with
5027 * i386.h (DEBUG_PRINT_REG): Constify a char*.
5029 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
5031 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
5032 operand, for use in the Java front-end.
5034 1999-12-10 Ben Collins <bcollins@debian.org>
5036 * configure.in: Fix typo for "-64" in 64bit as check.
5037 * configure: Rebuilt.
5039 1999-12-10 Jakub Jelinek <jakub@redhat.com>
5041 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
5044 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5046 * c-parse.in (string): With -Wtraditional, warn if ANSI string
5047 concatenation is utilized.
5049 * invoke.texi (-Wtraditional): Document it.
5051 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
5054 Cast a ptrdiff_t to long and pass it to printf with %ld.
5056 1999-12-10 Geoff Keating <geoffk@cygnus.com>
5058 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
5059 68881, we have no 68881 registers at all.
5060 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
5061 value in a 68881 register if it is available.
5063 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
5065 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
5066 for long long multiply-accumulate.
5068 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
5070 * loop.c (insert_loop_mem): Undo last change.
5072 1999-12-10 David S. Miller <davem@redhat.com>
5074 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
5076 * config/sparc/sparc-protos.h: Add them.
5077 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
5078 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
5079 constraints which use those helpers.
5080 (EXTRA_CONSTRAINT): Use this new macro.
5081 * md.texi: Update sparc target constraints documentation.
5082 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
5083 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
5084 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
5085 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
5086 (movsf high/lo_sum split): Rework for new patterns.
5087 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
5089 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
5091 * c-common.c (c_common_nodes_and_builtins):
5092 Create __builtin_ptrdiff_t and __builtin_size_t.
5094 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
5096 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
5098 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5100 * regclass.c (globalize_reg): Re-instate test that allows
5101 fixed registers to be declared as a variable even after functions
5104 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5106 * i386.md (cpu attribute): Add "athlon".
5107 (athlon_decode): New attribute.
5108 (Athlon scheduling units definitions): New.
5109 (fcmp and shld patterns): Set athlon_decode to "vector".
5110 * i386.c (athlon_cost): New.
5112 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
5113 x86_use_sahf): Set for Athlon.
5114 (x86_use_fiop): Unset for Athlon.
5115 (override_options): Define Athlon alignments and "athlon" name.
5116 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
5117 * i386.h (TARGET_ATHLON): New.
5118 (enum processor_type): Add PROCESSOR_ATHLON.
5119 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
5121 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
5123 1999-12-09 Andreas Jaeger <aj@suse.de>
5125 * loop.c (record_biv): Declare parameter as int.
5127 * config/i386/i386-protos.h: Declare long_memory_operand.
5129 1999-12-09 Mark Mitchell <mark@codesourcery.com>
5131 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
5132 EXPR_WITH_FILE_LOCATION.
5134 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5136 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
5139 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
5141 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
5144 1999-12-09 Jakub Jelinek <jakub@redhat.com>
5146 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
5147 default on linux64 again.
5148 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
5149 models for multilibing.
5150 * genmultilib: Accept | as alternative separator within a set in
5153 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
5155 * calls.c (precompute_arguments): Make sure initial_value contains
5156 value pseudo which CSE expects.
5157 * cse.c (struct set): New entry orig_src.
5158 (cse_insn): Set it early on entry, use it for libcall EQUIV note
5161 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
5163 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
5165 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5167 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
5169 1999-12-08 Jakub Jelinek <jakub@redhat.com>
5171 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
5172 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
5174 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
5177 * longlong.h: Merge in changes from glibc.
5178 Also don't clobber %g2 register in 32bit SPARC assembly, so that
5179 -mno-app-regs libgcc can be compiled.
5180 * libgcc2.c: Add defines so that the updated longlong.h
5181 can be used in libgcc2.a. Also, make sure on most architectures
5182 (at least on all which have optimized code in longlong.h defined
5183 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
5185 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5187 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
5188 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
5189 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
5191 * configure: Rebuilt.
5193 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
5195 * alpha.c (secondary_reload_class): For !BWX, sub-simode
5196 outputs require a register.
5198 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
5200 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
5201 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
5202 functions like dptoul will be resolved.
5203 (libgcc2.a): Make sure that the object files from DPBIT are named
5204 differently (prefix `_dp') from those that would be coming from
5207 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
5209 * configure.in: When target is sparc* and tm_file contains 64,
5210 test for 64bit support in assembler. If not supported, remove
5211 sparc/t-sol2-64 from target-dependent Makefile fragments.
5212 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
5213 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
5214 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
5215 * acconfig.h (AS_SPARC64_FLAG): Added.
5216 * configure, config.in: Rebuilt.
5217 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
5218 support. Use AS_SPARC64_FLAG.
5220 1999-12-07 Jakub Jelinek <jakub@redhat.com>
5222 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
5223 suitable for holding OFmode values so that gcc works with complex
5225 (hard_64bit_mode_classes): Likewise.
5227 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
5228 so that it is actually matched.
5229 (sethi_di_medlow): Likewise.
5231 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
5232 as legitimate constant if -mvis.
5233 * config/sparc/sparc.md (movtf): Likewise.
5234 (clear_sf): Use const_double_operand.
5235 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
5237 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
5238 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
5239 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
5240 routines, _Qp_* cannot be handled like that now.
5241 (INIT_TARGET_OPTABS): Likewise.
5242 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
5243 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
5244 sparc_emit_float_lib_cmp if ARCH64 and soft float.
5245 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
5246 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
5247 divtf3, sqrttf3): New expanders.
5248 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
5249 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
5250 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
5253 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
5254 * configure: Rebuilt.
5255 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
5256 -mcpu is given and we're doing 64bit compiles.
5258 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
5260 * loop.h (struct induction): Add multi_insn_incr.
5261 * loop.c (basic_induction_var): New multi_insn_incr argument.
5262 Set it if we search back through previous insns for the biv.
5263 (record_biv): New multi_insn_incr argument; fill in struct induction.
5264 (strength_reduce): Discard an iv with multiple bivs, any of
5265 which require multiple insns to increment.
5267 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5269 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
5272 1999-12-06 David S. Miller <davem@redhat.com>
5274 * combine.c (check_promoted_subreg): Do not conditionalize this upon
5275 PROMOTE_FUNCTION_RETURN.
5277 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
5279 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
5280 and handle REG_UNUSED note on insn.
5282 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
5283 inner_mask instead of mask.
5285 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
5287 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
5288 zero if there was an error.
5290 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5292 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
5295 * longlong.h: Fix clobbers in SPARC asm statements.
5297 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
5298 valid sethi operations when TARGET_ARCH64.
5300 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
5301 always use move_by_pieces to avoid infinite recursion.
5302 (restore_fixed_argument_area): Likewise.
5304 * combine.c (check_promoted_subreg, record_promoted_value): New
5306 (combine_instructions): Use them to retain nonzero and sign bit
5307 information after SUBREGs are eliminated by optimizations in
5308 this pass if PROMOTE_FUNCTION_RETURN.
5310 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
5311 .register declaration. Don't use variables with __ prefixes.
5313 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5315 * fold-const.c (optimize_bit_field_compare): Only use one mode
5316 for both RHS and LHS in non-constant case.
5318 1999-12-06 Nathan Sidwell <nathan@acm.org>
5320 * frame.c (start_fde_sort): Only allocate erratic array, if
5321 linear one was allocated. Return allocated flag.
5322 (fde_insert): Only insert, if there's a valid array.
5323 (fde_end_sort): Split, sort and merge if linear and erratic
5324 arrays exist, else just sort linear one.
5325 (search_fdes): New function. Linear search through original fde
5327 (frame_init): Permit multiple initializations. Cope with
5329 (find_fde): Fallback on linear search, if failed to sort array.
5330 (__deregister_frame_info): Only free sorted array, if we
5333 1999-12-06 Jakub Jelinek <jakub@redhat.com>
5335 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
5337 1999-12-05 Jakub Jelinek <jakub@redhat.com>
5339 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
5341 1999-12-05 Mark Mitchell <mark@codesourcery.com>
5343 * tree.h (special_function_p): Declare.
5344 * calls.c (special_function_p): Make it global. Don't take `name'
5345 as a parameter. Fix typo in 1999-11-28 change.
5346 (expand_cal): Adjust.
5348 1999-12-04 Mark Mitchell <mark@codesourcery.com>
5350 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
5351 * tree.h (EXPR_WFL_FILENAME): Define in terms of
5352 EXPR_WFL_FILENAME_NODE.
5353 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
5355 * print-tree.c (print_note): Print TREE_PRIVATE and
5358 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
5359 the original die cannot be found.
5361 * varray.h (varray_head_tag): Add elements_used.
5362 (VARRAY_PUSH): New macro.
5363 (VARRAY_POP): Likewise.
5364 (VARRAY_TOP): Likewise.
5365 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
5367 * varray.c (varray_init): Initialize elements_used.
5368 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
5369 (INTEGRATE_H): New variable.
5370 (integrate.o): Depend on INTEGRATE_H.
5371 (unroll.o): Likewise.
5373 * function.h (insert_block_after_note): Declare.
5374 * function.c (insert_block_after_note): Split out from ...
5375 (retrofit_block): ... here.
5377 * stmt.c (expand_fixup): Fix typo in comment.
5379 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5381 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
5382 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
5383 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
5384 (regmove_optimize, fixup_match_1): Likewise.
5386 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5388 * flow.c (flow_loops_dump): Add missing argument when calling
5391 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
5392 Greg McGary <gkm@gnu.org>
5394 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
5395 (init_attributes): Add A_NO_LIMIT_STACK.
5396 (decl_attributes): Handle A_NO_LIMIT_STACK.
5397 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
5398 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
5399 Handle stack bounds checking.
5400 * flags.h (flag_stack_check): Use the word 'probe' rather than
5401 'check', because the flag doesn't actually cause any checking to
5403 * function.c (expand_function_start): Set
5404 current_function_limit_stack.
5405 * function.h (struct function): Add limit_stack.
5406 (current_function_limit_stack): Define.
5407 * invoke.texi (Code Gen Options): Document new options.
5408 * rtl.h: Declare stack_limit_rtx.
5409 * toplev.c (stack_limit_rtx): New variable.
5410 (decode_f_option): Handle new options -fstack-limit-register=REG,
5411 -fstack-limit-symbol=IDENT, -fno-stack-limit.
5412 (main): Add stack_limit_rtx as GC root.
5413 * tree.h (DECL_NO_LIMIT_STACK): New macro.
5414 (struct tree_decl): New member no_limit_stack.
5416 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
5418 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
5419 (conditional_trap+1): Get new mnemonic correct.
5420 (conditional_trap+2): New pattern for DImode traps.
5422 * config/m68k/m68k.c (output_function_prologue): Handle
5424 * config/m68k/m68k.md (trap): New insn.
5425 (conditional_trap): New insn.
5426 * md.texi (Standard Names): Document `trap' and
5428 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
5429 so a cc0 setter doesn't get emitted at some random place in the
5432 * config/i960/i960.md (trap): New insn.
5433 (conditional_trap): New expander.
5434 (conditional_trap+1, conditional_trap+2): New insns for signed
5436 * config/i960/i960.c (i960_function_prologue): Use
5437 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
5439 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
5440 Geoffrey Keating <geoffk@cygnus.com>
5442 * flags.h (warn_padded, warn_packed): Add global var decls.
5443 * toplev.c (warn_padded, warn_packed): Add global var defns.
5444 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
5445 * stor-layout.c (layout_record): Add local variable `type'
5446 to hold often-used TREE_TYPE (field). Add local variable
5447 `unpacked_align' to hold alignment that would be in force
5448 if no `packed' attribute were present. Warn if `packed' attribute
5449 is unnecessary, or even harmful. Warn when gcc inserts padding
5450 to satisfy alignment requirements of members. Use NULL_TREE
5451 when checking whether var_size is set.
5452 * invoke.texi: Document new flags.
5454 1999-12-03 Nathan Sidwell <nathan@acm.org>
5456 * frame.c (fde_split): Reimplement to avoid variable sized array.
5458 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5460 * combine.c (try_combine): Before fixing up LOG_LINKS for the
5461 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
5463 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
5465 * invoke.texi: Document the mips option -mno-crt0
5467 1999-12-02 Mike Karr <mkarr@mathworks.com>
5469 * cccp.c (argdata): Added free_ptr member.
5470 (macroexpand): Initialize free_ptr of each argument. When an
5471 argument's buffers are freed, if the argument's free_ptr corresponds
5472 to a buffer on the input stack, then return the free_ptr to that stack
5473 frame, otherwise, free it.
5474 (macarg): If an argument begins and ends on the same input stack level,
5475 then transfer the free_ptr of that buffer to the argument in case
5476 the stack is popped during the processing of a subsequent argument.
5478 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
5480 * loop.c (note_reg_stored): New function.
5481 (struct note_reg_stored_arg): New structure.
5482 (try_copy_prop): Change to be more conservative; only replace within
5483 one extended basic block and stop replacing if a store to the
5484 replacement reg is seen.
5486 1999-12-02 Nick Clifton <nickc@cygnus.com>
5488 * config/fp-bit.c: Initialise all fields of the NAN
5491 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
5494 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
5496 * i386.md (extend?f?f2): Force the input into a register, not
5499 1999-12-01 Jakub Jelinek <jakub@redhat.com>
5501 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
5503 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
5504 alternative because setting up 64bit constant is usually costly,
5505 especially when reload is in progress or completed.
5506 (movdf_const_intreg_sp64): Likewise.
5507 (movdf_const_intreg split): Fix building up constants when
5508 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
5510 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
5512 * combine.c (if_then_else_cond): Use const_true_rtx instead of
5513 const1_rtx for return values in EQ/NE comparison against (const_int 0)
5516 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
5517 (asm_file_start): Emit .am33 into assembly file when compiling for
5519 (print_operand_address): Handle POST_INC addresses.
5520 (can_use_return_insn, initial_offset): Check AM33 registers too.
5521 (expand_prologue): Check & save AM33 registers too.
5522 (expand_epilogue): Similarly.
5523 (secondary_reload_class): Handle AM33 specific secondary reloads.
5524 (output_tst): Emit efficient code for the AM33 too.
5525 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
5526 (TARGET_SWITCHES): Add -mam33 switch.
5527 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
5528 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
5529 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
5530 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
5531 (enum reg_class, REG_CLASS_NAMES): Likewise.
5532 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
5533 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
5534 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
5535 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
5536 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
5537 (HAVE_POST_INCREMENT): Define.
5538 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
5539 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
5540 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
5541 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
5542 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
5543 (zero_extend to SI from QI/HI): Likewise.
5544 (sign_extend to SI from QI/HI): Likewise.
5545 (mulsidi3, umulsidi3): New patterns for the AM33.
5546 (tstsi with zero extension from QI/HI): Add AM33 variants.
5547 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
5548 (return_internal_regs, store_movm): Handle new AM33 registers.
5549 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
5550 (LIBGCC, INSTALL_LIBGCC): Likewise.
5551 * invoke.texi: Document new flags.
5553 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
5555 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
5556 (addsi3_carry): Likewise.
5557 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
5558 (sbbsi3_carry): Likewise.
5559 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
5561 (test?i_1): Ensure that only one operand is memory.
5562 (conditional move patterns): likewise.
5563 (shift and rotate patterns): Rewrite to expander, add
5564 "binary_operator_ok" to the condition.
5566 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
5567 * i386.h (procesor_costs): Add movzbl_load field.
5568 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
5569 non-Q registers, accept DImode registers anywhere.
5571 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
5572 * i386.c (*_cost): Set value for movxbl_load field.
5574 * (addsi): New add to lea splitter.
5576 (lea to add/shift peep2): New.
5578 1999-12-01 Mark Salter <msalter@cygnus.com>
5580 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
5581 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
5582 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
5584 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5586 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
5587 * i386.md (movsi_xor): New.
5589 (movsi_1, movhi_1, movqi_1): Remove.
5590 (movsi_2): Rename to movsi_1.
5591 (movhi_2): Rename to movhi_1.
5592 (movqi_2): Rename to movqi_1.
5593 (movdi_1): Remove; remove splitter.
5594 (movdi_2): Rename to movdi_1.
5595 (divmodsi4 splitter): Do not emit clobbers for move patterns.
5596 (long move peep2): Do not create QI or HI mode mov0s
5597 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
5599 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
5602 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
5603 (abs?f2_if): Likewise.
5605 1999-11-30 Alex Samuel <samuel@codesourcery.com>
5607 * ggc.h (ggc_test_and_set_mark): New macro.
5608 (ggc_mark_rtx): Use ggc_test_and_set_mark.
5609 (ggc_mark_tree): Likewise.
5610 (ggc_mark_rtvec): Likewise.
5611 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
5613 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
5615 * dwarf2out.c (scope_die_for): Only handle types. Only search for
5617 (decl_scope_table): Just an array of trees now.
5618 (push_decl_scope): Simplify.
5619 (dwarf2out_init): Adjust.
5620 (local_scope_p): New fn.
5621 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
5622 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
5623 (gen_typedef_die): Likewise.
5624 (gen_lexical_block_die): Don't call push/pop_decl_scope.
5625 (gen_inlined_subroutine_die): Likewise.
5626 (gen_abstract_function): Set current_function_decl temporarily.
5627 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
5628 Handle block extern declarations. Don't call push/pop_decl_scope.
5629 (gen_decl_die): Fix logic for block externs.
5631 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5633 * calls.c (special_function_p): Remove `realloc' and add `strdup'
5634 to the list of functions which have attribute malloc by default.
5636 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5638 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
5639 integer constant does not match the traditional type, limit the
5640 warnings to cases where the base of the type is ten.
5642 * invoke.texi (-Wtraditional): Document it.
5644 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5646 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
5647 * rs6000.md: Only access a CONST_INT with INTVAL
5649 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
5651 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
5652 (compute_nearerout): Likewise.
5653 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
5654 size_t to unsigned long for formatting.
5656 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5658 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
5659 Allow the user to override call-used/fixed state of %g2-5
5660 registers from the command line (with the exception of %g4 for
5662 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
5663 there is a higher chance of having a leaf function.
5664 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
5665 for ARCH64 which has %ccr register.
5666 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
5668 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
5669 insn accept into delay slot any insn which does not use %[ol]
5670 registers. Accept some LO_SUM and shift left by 1 for the normal
5672 (output_function_epilogue): Likewise.
5673 (epilogue_renumber): Added argument which inhibits any renumbering
5674 and just tests if the rtx does not use any %[ol] registers.
5675 (output_return): Reflect above change.
5677 1999-11-30 Jakub Jelinek <jakub@redhat.com>
5679 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
5680 aggregate passing for sizes <= 16 bytes.
5682 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
5684 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
5685 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
5686 * reload.c (find_dummy_reload): Likewise.
5687 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
5688 * reload1.c (reload_as_needed): Likewise.
5689 * stupid.c (stupid_find_reg): Likewise.
5690 * tm.texi (Obsolete Register Macros): Delete section.
5691 * gmicro.h: Remove all traces of the two macros.
5696 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
5698 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
5699 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
5700 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
5701 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
5702 units for the sparclite86x chip.
5703 (flush): Revert October 14th change; add SImode specifically.
5704 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
5705 * invoke.texi: Document it.
5707 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
5709 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
5710 psimode_truncation_operand.
5712 * config/mn10200/mn10200.c (psimode_truncation_operand): New
5713 function. Return true if the operand is either a MEM valid
5714 for a PSImode address or not a MEM at all.
5716 * config/mn10200/mn10200.md (truncsipsi2): Use
5717 psimode_truncation_operand.
5719 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5721 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
5722 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
5723 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
5724 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
5725 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
5726 (flow_loop_level_compute, low_loops_level_compute): Likewise.
5727 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
5728 * basic-block.h: Protect from multiple inclusion.
5729 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
5730 (struct loops, struct loop): Define structures.
5731 * sbitmap.c (sbitmap_a_subset_b_p): New function.
5732 * sbitmap.h: Protect from multiple inclusion.
5733 (sbitmap_a_subset_b_p): Add prototype.
5734 * Makefile.in (LOOP_H): New macro.
5735 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
5737 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
5739 * cppinit.c (CAT): The argument list of this macro may not contain
5742 1999-11-29 David S. Miller <davem@redhat.com>
5744 Move quantity tables and register equivalence chains into
5745 per-qty and per-register structure arrays respectively.
5746 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
5747 qty_const_insn, qty_comparison_code, qty_comparison_const,
5748 qty_comparison_qty): Delete, replace with...
5749 (qty_table): this structure table.
5750 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
5751 (reg_eqv_table): this structure table.
5752 (make_new_qty): Add argument MODE. Caller updated.
5753 Update to use qty_table and reg_eqv_table.
5754 (make_regs_eqv, delete_reg_equiv, insert_regs,
5755 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
5756 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
5757 cse_process_notes, cse_main, cse_basic_block): Likewise.
5759 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5761 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
5762 operation if C is negative.
5763 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
5764 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
5765 law for some divisions if constant is negative and change other
5766 divisions to the opposite rounding.
5768 * expr.c (store_constructor_field): If bit position is not multiple
5769 of alignment of TARGET's mode, use BLKmode.
5771 * expr.c (expand_expr_unaligned): Add more code from full case
5772 that is needed when OP0 is in a register.
5774 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5776 * dwarfout.c (field_byte_offset): Size can be zero if there was
5779 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5781 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
5782 (associate_trees): Delete unused var TEM.
5783 (extract_muldiv): Delete unused var CANCEL_P.
5785 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
5786 (target_isinf, target_isnan, target_negative): Add return types to
5787 function definitions.
5789 1999-11-29 Bruce Korb <autogen@linuxbox.com>
5791 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
5792 * fixinc/hackshell.tpl: ditto
5793 * fixinc/fixtests.c(double_slash_test): more C++ header testing
5794 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
5796 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
5798 * reload.c (push_reload): When looking for a register to put into
5799 reg_rtx, make sure all hard regs in a multi-reg register are in the
5800 right class and nonfixed.
5802 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
5803 pending_read_insns, pending_write_insns, pending_read_mems,
5804 pending_write_mems, pending_list_length, last_pending_memory_flush,
5805 last_function_call, sched_before_next_call): Move static variables
5807 (bb_ prefixed versions): Replace with single array bb_deps.
5808 (struct deps): New structure.
5809 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
5810 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
5811 argument of type "struct deps *"; use that instead of global
5812 variables. All callers changed.
5813 (init_rgn_data_dependencies): Delete function.
5814 (init_rtx_vector): Delete function.
5815 (init_deps): New function.
5817 (free_pending_lists): Simplify, we always use the bb_deps array even
5818 if only one basic block.
5819 (compute_block_backward_dependences): Likewise.
5820 (schedule_region): Likewise.
5822 (propagate_deps): New function, broken out of
5823 compute_block_backward_dependences.
5824 (compute_block_backward_dependences): Use it.
5826 * alpha.md: Delete useless patterns that tried to work around
5827 register elimination problems.
5829 * unroll.c (loop_iterations): Don't abort if iteration variable
5832 From Joern Rennecke:
5833 * reload1.c (reloads_conflict): Reverse test comparing operand
5834 numbers when testing for conflict between output/outaddr reloads.
5836 1999-11-29 David S. Miller <davem@redhat.com>
5838 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
5840 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
5842 1999-11-28 Robert Lipe <robertl@cygnus.com>
5844 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
5845 table from .fini into .dtor.
5847 1999-11-28 Anthony Green <green@cygnus.com>
5849 * tree.h (struct tree_decl): Add malloc_flag.
5850 (DECL_IS_MALLOC): Define.
5851 * c-common.c (attrs): Add A_MALLOC attribute.
5852 (init_attributes): Add this attribute to the table.
5853 (decl_attributes): Handle malloc attribute.
5854 * calls.c (special_function_p): Check for the malloc attribute.
5855 * extend.texi (Function Attributes): Document malloc attribute.
5857 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
5859 * pa.md (reload shift-add patterns): Remove.
5861 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5863 * reorg.c (dbr_schedule) Print more statistics. Corrected
5864 problem when printing info when 3 delay slots are filled.
5866 1999-11-28 Jakub Jelinek <jakub@redhat.com>
5868 * combine.c (setup_incoming_promotions): Pass an outgoing
5869 regno to FUNCTION_ARG_REGNO_P which it expects.
5871 1999-11-28 Andreas Jaeger <aj@suse.de>
5873 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
5875 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
5877 * cccp.c (do_include): Avoid initialization of automatic variable.
5879 * integrate.c (mark_stores): Function definition made void, to match
5880 previous declaration.
5881 * regclass.c (dump_regclass): Ditto.
5882 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
5884 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5886 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
5887 known to be multiple of divisor.
5889 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
5891 * combine.c (try_combine): Add code to try to merge a set of a
5892 two-word pseudo to a constant with a setting of one of those words
5895 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
5896 (split_tree): Completely rework to make more general.
5897 (make_range, fold): Call negate_expr.
5898 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
5899 (fold, associate): Call new split_tree and associate_trees.
5900 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
5902 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
5904 * loop.c (try_copy_prop): Avoid GNU C extension.
5906 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5908 * except.c (init_eh_for_function): Still zero eh_return_context,
5909 eh_return_stack_adjust, and eh_return_handler.
5911 * except.h (eh_status): Adjust documentation for x_protect_list.
5912 (begin_protect_partials): New function.
5913 * except.c (enqueue_eh_entry): Fix formatting.
5914 (get_first_handler): Add consistency check.
5915 (add_partial_entry): Adjust usage of protect_list.
5916 (emit_cleanup_handler): Save and restore ehqueue.
5917 (expand_start_all_catch): Add comment.
5918 (begin_protect_partials): New function.
5919 (end_protect_partials): Adjust usage of protect_list.
5920 (init_eh_for_function): Use xcalloc.
5922 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5924 * c-common.c (check_format_info): Don't call a variadic function
5925 with a non-literal format string.
5927 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
5929 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
5930 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
5933 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
5936 * collect2.c (collect_wait): Likewise.
5938 * dbxout.c (dbxout_type): Likewise.
5940 * gcc.c (do_spec_1): Likewise.
5942 * genemit.c (gen_insn, gen_expand): Likewise.
5944 * genrecog.c (write_switch, write_subroutine): Likewise.
5946 * mips-tfile.c (catch_signal, botch): Likewise.
5948 * print-rtl.c (print_rtx): Likewise.
5950 * toplev.c (default_print_error_function, report_error_function,
5951 _fatal_insn): Likewise.
5953 1999-11-25 Mark Mitchell <mark@codesourcery.com>
5955 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
5957 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
5959 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
5960 operations when needed.
5961 * i386.md (fop_?f_comm): New.
5962 (fop_?f_1): Do not accept commutative operands.
5964 1999-11-25 Andreas Jaeger <aj@suse.de>
5966 * config/mips/mips.md (casesi_internal): Add missing brace.
5968 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
5970 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
5971 (splice_child_die): Handle moving a child DIE from the declaration
5972 DIE of a class to its specification.
5973 (gen_struct_or_union_type_die): Use 'complete' consistently.
5974 (gen_decl_die): Generate the virtual context DIE first.
5975 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
5977 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
5979 * config/mips/mips.md (call_value_multiple_interanal1): New.
5981 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
5983 * dwarf2out.c (free_AT, free_die): New fns.
5984 (remove_children): Call them.
5985 (output_line_info): Disable removal of duplicate notes.
5987 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
5988 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
5989 means pretend the type isn't defined.
5990 Don't defer emitting types.
5991 (gen_type_die_for_member): New fn.
5992 (gen_decl_die): Call it.
5993 (splice_child_die): New fn.
5994 (gen_member_die): Call it rather than generate duplicate dies.
5996 Defer emitting information for the abstract instance of an inline
5997 until we either inline it or emit an out-of-line copy.
5998 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
5999 from output_inline_function if DECL_ABSTRACT is also set.
6000 (block_ultimate_origin): Likewise.
6001 (gen_abstract_function): New fn.
6002 (gen_decl_die, gen_inlined_subroutine_die): Call it.
6003 (gen_subprogram_die): An abstract instance is not a declaration
6004 just because it doesn't match current_function_decl. Don't abort
6005 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
6006 has an abstract origin.
6007 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
6008 abstract instance here.
6010 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
6012 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
6013 where we need to reload fpul from a system register.
6015 1999-11-24 Andreas Jaeger <aj@suse.de>
6017 * config/mips/linux.h (CPP_PREDEFINES): Added.
6018 (LINK_SPEC): Remove -Y since this is only needed on sparc.
6020 1999-11-24 Andreas Jaeger <aj@suse.de>
6022 * config/mips/linux.h (TARGET_VERSION): Added.
6023 (HANDLE_SYSV_PRAGMA): Added.
6024 (DEFAULT_VTABLE_THUNKS): Added.
6026 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6028 * local-alloc.c (qty): New structure and static variable.
6029 (qty_phys_reg): Remove, all references changed to qty.
6030 (qty_n_refs): Likewise.
6031 (qty_min_class): Likewise.
6032 (qty_birth): Likewise.
6033 (qty_death): Likewise.
6034 (qty_size): Likewise.
6035 (qty_mode): Likewise.
6036 (qty_n_calls_crossed): Likewise.
6037 (qty_alternate_class): Likewise.
6038 (qty_changes_size): Likewise.
6039 (qty_first_reg): Likewise.
6040 (alloc_qty): Rename variable QTY to QTYNO.
6041 (finf_free_reg): Likewise.
6042 (local_alloc): Allocate qty, do not allocate the removed variables.
6044 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
6046 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
6047 when -membedded-pic is passed.
6049 * config/mips/mips.md (casesi): Handle 64-bit case too.
6050 (casesi_internal_di): New insn.
6052 * config/mips/mips.c (embedded_pic_offset): Always make the
6053 embedded-pic subtractions relative to the name of the current
6054 function by use of the magic string "..CURRENT_FUNCTION".
6055 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
6057 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
6059 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
6060 of (const_int 0), when what we really care about is
6061 whether it's a zero constant anyway.
6062 (div_trap_mips16): Likewise.
6064 1999-11-23 Mark Mitchell <mark@codesourcery.com>
6066 * loop.c (loop_optimize): Always find_loop_tree_blocks and
6067 unroll_block_trees when generating debuggable code.
6069 * tree.h (unsave_expr_1): New function.
6070 (lang_unsave): New variable.
6071 (get_callee_fndecl): New function.
6072 * tree.c (unsave_expr_now_r): New function.
6073 (lang_unsave): Define.
6074 (unsave_expr_1): Likewise.
6075 (unsave_expr_now_r): Split out from unsave_expr_now.
6076 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
6077 call unsave_expr_now_r.
6078 (get_callee_fndecl): Define.
6080 * Makefile.in (gencheck): Don't depend on lang_tree_files.
6081 (gencheck.o): Do depend on lang_tree_files.
6083 * integrate.h (copy_decl_for_inlining): New declaration.
6084 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
6085 (copy_decl_for_inlining): New function.
6086 (integrate_parm_decls): Use it.
6087 (integrate_decl_tree): Likewise.
6089 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
6091 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
6092 the second two from the first.
6093 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
6094 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
6095 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6097 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
6098 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
6101 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
6103 * pa.md (call_internal_symref, call_value_internal_symref): No mode
6104 needed on the address operand.
6105 * pa.c (call_operand_address): Check for the correct mode.
6107 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
6109 * loop.c: Include "basic-block.h".
6110 (try_copy_prop, replace_loop_reg): New functions.
6111 (load_mems): Detect registers that just hold copies of the hoisted
6112 mem, and call try_copy_prop to eliminate them.
6113 * Makefile.in (loop.o): Update dependencies.
6115 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
6117 * Makefile.in (gencheck.o): Depend on gencheck.h.
6118 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
6119 (insn-peep.o): Depend on except.h and function.h.
6120 (insn-attrtab.o): Depend on RECOG_H.
6121 (insn-output.o): Depend on toplev.h and flags.h.
6122 (gengenrtl.o): Depend on real.h.
6123 (gen-protos.o): Depend on cpplib.h and cpphash.h.
6124 Unify all dependencies to be on RECOG_H rather than recog.h.
6126 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6128 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
6129 * configure.in: Try building a bi-arch 32/64-bit compiler on
6130 sparc-*-solaris2.7 and higher.
6131 * configure: Rebuild.
6133 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
6135 * config/freebsd.h: New, FreeBSD architecture independent file.
6136 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
6138 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
6139 directly by i386/freebsd.h.
6140 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
6141 independent configuration file.
6142 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
6143 directly by i386/freebsd.h.
6144 * configure: Rebuilt.
6146 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
6147 which is in the user's namespace.
6148 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
6149 `i386' which is not in our namespace.
6151 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
6153 * invoke.texi (ARM Options): Add in -mno-alignment-traps
6155 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6157 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
6158 (add_dwarf_attr, add_child_die): Just push onto the front.
6159 (reverse_die_lists): New fn.
6160 (add_sibling_attributes): Use it.
6161 (push_decl_scope): Reorganize.
6162 (add_name_and_src_coords_attributes): Don't set file and line for
6164 (gen_subprogram_die): An artificial function doesn't need to match
6166 (gen_compile_unit_die): Return the generated die. Only add
6167 AT_comp_dir if the filename is relative.
6168 (remove_AT): Simplify loop. Also free string values.
6169 (output_die): A DIE ref can't be null.
6170 (output_value_format, value_format): Take a dw_attr_ref.
6171 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
6172 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
6173 AT_addr, AT_lbl): New fns.
6174 (various): Use them.
6175 (various): Constify.
6177 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6179 * combine.c (combine_simplify_rtx): When handling a SUBREG,
6180 take SUBREG_WORD into account.
6181 (if_then_else_cond): Likewise.
6183 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
6185 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
6186 clause from BSD license, pursuant with
6188 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
6190 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
6192 * loop.c (load_mems): Reformat slightly.
6193 * basic-block.h (regset_head): New typedef.
6194 (INIT_REG_SET): New macro.
6196 1999-11-22 Bruce Korb <autogen@linuxbox.com
6198 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
6199 (mips-dec-bsd*): non-functional code
6200 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
6202 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
6203 added three replacement fixes
6204 (no_double_slash): removed comments that are not (any longer) pertinent
6205 (bad_lval): this fix currently runs against many files.
6206 The comment seems to indicate that we should select for files
6207 containing 'pragma extern_prefix'.
6209 * fixinc/fixinc.x86-linux-gnu: deleted
6210 * fixinc/inclhack.sh: regen
6211 * fixinc/fixincl.x: regen
6212 * fixinc/fixincl.sh: regen
6214 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
6216 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
6217 its code is INSN and it has no notes.
6219 1999-11-22 Andrew Haley <aph@cygnus.com>
6221 * varasm.c (function_defined): Remove.
6222 (make_function_rtl): Don't set function_defined.
6223 (make_decl_rtl): Remove global register warning.
6224 * regclass.c (no_global_reg_vars): New variable.
6225 (globalize_reg): Warn if function has already been defined.
6226 (regclass_init): Set no_global_reg_vars.
6228 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6230 * regclass.c (reg_pref): New structure and static variable
6231 (prefclass): Delete.
6233 (all uses of prefclass and altclass): Use reg_pref instead.
6235 1999-11-21 Nick Clifton <nickc@cygnus.com>
6237 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
6239 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
6240 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6241 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
6243 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
6245 * varasm.c (output_constructor): Solve problem with long long
6246 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
6248 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6250 * global.c (allocno): New structure and static variable.
6251 (allocno_reg): Remove, all references replaced by allocno.
6252 (allocno_size): Likewise.
6253 (hard_reg_conflicts): Likewise.
6254 (hard_reg_preferences): Likewise.
6255 (hard_reg_copy_preferences): Likewise.
6256 (hard_reg_full_preferences): Likewise.
6257 (regs_someone_prefers): Likewise.
6258 (allocno_calls_crossed): Likewise.
6259 (allocno_n_refs): Likewise.
6260 (allocno_live_length): Likewise.
6261 (find_reg): Rename ALLOCNO to NUM.
6263 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
6265 (may_move_out_cost): New variable.
6266 (init_reg_sets_1): Initialize may_move_out_cost.
6267 (record_reg_classes): Use may_move_out_cost.
6269 * regclass.c (dump_regclass): New function.
6270 (regclass): New parameter DUMP, call DUMP_REGCLASS.
6271 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
6272 pass rtl_dump_file to regclass.
6273 * rtl.h (regclass): Update prototype.
6275 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6277 * i386.md (neg, not and abs patterns): Revmap to use
6278 ix86_expand_unary_operator and ix86_unary_operator_ok.
6279 (add?f and sub?f expanders): Force operand 1 to register.
6280 * i386.c (ix86_expand_unary_operator): Rewrite.
6281 (ix86_unary_operator_ok): Ensure that memory operands
6283 (ix86_binary_operator_ok): Do not allow operand 1 to
6284 come into memory and operand 0 not.
6285 (ix86_expand_binary_operator): Ensure that
6286 src1 is not non-matching memory.
6288 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
6289 to support integer registers and memory.
6290 (abss?2_integer): Likewise.
6292 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
6293 (REG_CLASS_NAMES): Likewise.
6294 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
6296 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
6297 (movsf): Likewise; unify 4th and 5th alternative.
6299 (movdf_1): Likewise; rename to movdf_integer.
6300 (pushxf): Likewise; rename to pushxf_integer; fix output template;
6301 remove redundant splitter.
6302 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
6303 (movdf_nointeger): New.
6304 (movxf_nointeger): New.
6305 (pushxf_nointeger): New.
6307 * i386.md (extend?f?f): Split to expander and pattern, refuse two
6308 memory operands in patterns.
6309 (fop*): Refuse two memory operands.
6311 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
6312 on !TARGET_USE_CLTD CPUs.
6314 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
6316 * extend.texi: Document C++ restricted pointers and references.
6318 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
6320 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
6321 (invalidate_skipped_set): Call it unconditionally.
6322 (cse_set_around_loop): Likewise.
6324 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6326 * rtl.texi (mem): Add documentation for alias-set argument
6329 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6331 * i386.h (struct_processor_costs): New fields int_load, int_store,
6332 fp_move, fp_load and fp_store
6333 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
6335 (MEMORY_MOVE_COST): New macro.
6336 * i386.c (386_cost): Define new fields.
6337 (i486_cost): Likewise.
6338 (pentium_cost): Likewise.
6339 (pentiumpro_cost): Likewise.
6340 (k6_cost): Likewise.
6342 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
6343 Geoffrey Keating <geoffk@cygnus.com>
6345 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
6347 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
6350 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
6351 (TARGET_STRICT_ALIGNMENT): New macro.
6352 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
6353 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
6354 * invoke.texi (M680x0 Options): Document -mstrict-align.
6356 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
6357 Richard Henderson <rth@cygnus.com>
6359 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
6360 (ix86_split_long_move): Declare.
6361 * i386.c (split_xf, ix86_split_movdi): Remove.
6362 (ix86_split_to_parts, ix86_split_long_move): New.
6363 * i386.md (dimode move splitters): Use ix86_split_long_move.
6364 (dfmode move splitters): Likewise.
6365 (xfmode move splitters): Likewise.
6366 (movsf_1): Allow F->r.
6367 (movdf_1, movxf_1): Allow F->ro.
6369 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6371 * except.h (struct eh_entry): Add goto_entry_p.
6372 (eh_region_from_symbol): Remove prototype.
6373 * except.c (find_func_region_from_symbol): New function.
6374 (emit_cleanup_handler): Likewise.
6375 (eh_region_from_symbol): Make it static.
6376 (add_new_handler): Verify the argument.
6377 (find_func_region): Update comment.
6378 (expand_eh_region_end): Expand handlers here, rater than waiting
6379 until expand_leftover_cleanups or start_all_catch.
6380 (expand_leftover_cleanups): Don't expand here.
6381 (expand_start_all_catch): Or here.
6382 (expand_rethrow): Check the return value from find_func_region.
6383 * function.c (expand_function_end): Emit the catch_clauses.
6385 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
6387 * integrate.c (expand_inline_function): Add necessary check for NULL.
6389 1999-11-18 Nick Clifton <nickc@cygnus.com>
6391 * toplev.c (main): Correctly detect an unrecognised option.
6393 * cppinit.c (cpp_handle_option): Do not claim to have consumed
6394 a -f option if it has not been recognised.
6396 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
6398 * basic-block.h (update_life_extent): Remove trailing comma on
6399 enumeration type list.
6401 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6403 * varasm.c (output_constructor) Solved problem with long long
6404 bitfields. Corrected calculating this_time and shift. Also
6405 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
6407 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
6409 * flow.c (split_edge): Take looping structure into account when
6410 determining where to put the new block note.
6412 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
6414 * Makefile.in (ggc-none.o): Provide host specific version if
6417 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
6419 * cse.c (delete_trivially_dead_insns): Identify no-op insns
6420 containing subregs too.
6422 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
6424 * invoke.texi: Add documentation for -muninit-const-in-rodata.
6425 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
6426 (TARGET_UNINIT_CONST_IN_RODATA): Define.
6427 (text_section): Add switches -munint-const-in-rodata and
6428 -mno-uninit-const-in-rodata.
6429 (ASM_OUTPUT_COMMON): Remove.
6430 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
6431 const objects should be placed in read-only data. Otherwise declare
6434 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
6436 * jump.c (jump_optimize_1): Revert last change.
6438 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
6440 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
6441 test if optimizing for size.
6443 1999-11-17 Mark Mitchell <mark@codesourcery.com>
6445 * Makefile.in (toplev.o): Depend on except.h.
6446 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
6448 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
6450 * i386.md (divmodsi4): Rewrite to expander.
6451 (*divmodsi4_nocltd): New.
6452 (*divmodsi4_cltd): New.
6453 (divmodsi4 splitter): Handle the case when input comes in edx.
6454 (udivmodhi4): Do not use constraints in exander.
6455 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
6457 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
6459 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
6460 for the common case.
6462 1999-11-16 Jakub Jelinek <jakub@redhat.com>
6464 * explow.c (hard_function_value): Add outgoing argument.
6465 * expr.h (hard_function_value): Declare it.
6466 * calls.c (expand_call, emit_library_call_value): Update callers.
6467 * function.c (aggregate_value_p): Ditto.
6468 (diddle_return_value): Must look at the outgoing registers
6469 on archs with register windows.
6471 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
6473 * alpha.c (alpha_build_va_list): Use make_lang_type and
6474 initialize TYPE_NAME for the va_list record.
6476 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
6478 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
6480 * ggc.h (struct ggc_statistics): Rearrange elements for better
6481 packing on 64-bit hosts.
6482 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
6483 (compute_nearerout): Likewise.
6485 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
6487 * config/rs6000/rs6000.c (first_reg_to_save): Save
6488 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
6490 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
6492 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
6493 notion of nesting to find the DIE for a type or function.
6494 DIEs can go in limbo even if we got a context_die.
6495 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
6496 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
6498 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
6499 (gen_type_die): Writing out the context doesn't cause member class
6500 template instantiations to be written out as well.
6502 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
6504 * rs6000.h (ASM_OUTPUT_DEF): New.
6505 Based on proposed addition from David Edelsohn.
6507 1999-11-15 Robert Lipe <RobertLipe@usa.net>
6508 Bruce Korb <autogen@linuxbox.com>
6510 * fixinc/inclhack.def
6511 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
6512 (unixware7_byteorder_fix): added. Removes conflicts for new defs
6514 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
6515 (svr4_endian): enabled with SVR5
6516 (svr4_mkdev): simplified syntax and enabled with SVR5
6518 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
6520 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
6521 * configure: Rebuilt.
6522 * config/t-freebsd-thread: New file.
6524 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
6526 * i386.c (ix86_decompose_address): Verify the base is a REG
6527 before trying to examine its register number.
6529 * basic-block.h: Remove all #defines and prototypes related to
6531 (free_bb_mem, compute_preds_succs): Remove prototype.
6532 * rtl.h (free_bb_mem): Remove prototype.
6533 * flow.c (alloc_int_list_node); Remove function.
6534 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
6535 (compute_preds_succs, free_bb_mem): Likewise.
6536 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
6537 * toplev.c (rest_of_compilation): Likewise.
6538 * haifa-sched.c (build_control_flow): Use flow generated edge
6539 list to build the haifa specific edge list.
6540 (find_rgns): Use new CFG data structures instead of pred/succ lists.
6541 (schedule_insns): Do not build pred/succ lists anymore. Instead
6542 build the edge table.
6544 * basic-block.h (dump_bb_data): Remove declaration.
6545 * flow.c (dump_bb_data): Remove function.
6546 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
6547 (sbitmap_union_of_predsucc): Likewise.
6549 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
6550 argument. All callers changed.
6551 (delete_null_pointer_checks_1): No longer need to compute the
6554 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
6555 All callers changed.
6556 (pre_expr_reaches_here_p_work): Likewise.
6557 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
6558 * lcm.c (compute_laterin): Fix initialization of LATER.
6559 (compute_nearerout): Similarly for NEARER.
6561 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6563 * cse.c (set_nonvarying_address_components): Delete unused function.
6564 (refers_to_p): Likewise.
6566 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
6568 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
6571 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6573 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
6574 definition in do while (0).
6576 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
6578 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
6580 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
6582 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
6584 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
6586 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
6587 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
6588 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
6589 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
6591 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
6592 saved on the stack. Output more accurate stack frame statistics
6593 into assembler file.
6595 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
6597 * genextract.c (record_insn_name): New function.
6598 (get_insn_name): No longer a stub.
6599 (main): Call record_insn_name for each insn. After each label
6600 written, print the insn name in a comment.
6602 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6604 * output.h (const_section, init_section, fini_section): Add
6607 * alpha/elf.h (const_section): Delete declaration.
6609 * svr4.h (const_section): Likewise.
6611 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
6613 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
6614 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
6615 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
6617 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
6618 variable-sized array bounds.
6620 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
6622 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
6625 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6627 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
6628 addresses the same way GO_IF_LEGITIMATE_INDEX does.
6630 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6632 * cse.c (hash_arg_in_struct): Delete.
6633 (struct table_elt): Delete elt in_struct.
6634 (struct set): Delete elt src_in_struct.
6635 (merge_equiv_classes): Don't set either hash_arg_in_struct or
6636 the corresponding in_struct elts.
6637 (canon_hash): Likewise.
6638 (safe_hash): Likewise.
6639 (find_best_addr): Likewise.
6640 (record_jump_cond): Likewise.
6641 (cse_insn): Likewise.
6643 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
6645 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
6647 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
6650 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
6652 * function.c (diddle_return_value): Put back check that the DECL_RTL
6653 for the function is a register.
6655 * function.c (diddle_return_value): Use hard_function_value to
6656 get an rtx suitable for use in the USE/CLOBBER insn.
6658 * global.c (global_conflicts): Update comments.
6659 (record_conflicts): No need to record conflicts between pseudos here.
6661 1999-11-11 Bruce Korb <autogen@linuxbox.com>
6663 * fixinc/fixincl.c: Added verbose levels for status messages
6665 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
6667 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
6668 operand as argument to expand_and or expand_binop.
6670 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
6672 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
6673 gcc_add_string_root.
6675 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
6677 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
6679 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
6681 * flow.c (compute_flow_dominators): Initially put all blocks on
6683 * lcm.c (compute_antinout_edge, compute_available): Similarly.
6684 * gcse.c (compute_cprop_avinout): Remove.
6685 (compute_cprop_data): Use compute_available.
6686 (delete_null_pointer_checks_1): Use compute_available.
6688 * basic-block.h (compute_available): Returns a void now.
6689 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
6690 to return a value anymore.
6691 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
6692 worklists. Fix boundary cases. Compute maximal solutions.
6693 (compute_laterin, compute_nearerout): Similarly.
6695 * dwarf2out.c (add_AT_location_description): Allow
6696 (mem (plus (pseudo) (...)) too.
6698 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
6700 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
6702 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
6703 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6705 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
6707 * gansidecl.h: Likewise.
6713 * toplev.h: Likewise.
6719 * varray.c: Likewise.
6721 * varray.h: Likewise.
6723 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
6725 * gcov.c (struct arcdata): Add hits and total, remove prob.
6726 (output_branch_counts): New.
6727 (process_args): Set output_branch_counts if -c.
6728 (calculate_branch_probs): Store hits and total instead of
6730 (output_data): Emit counts if output_branch_counts is true.
6731 * gcov.texi (Invoking Gcov): Document -c switch..
6733 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
6735 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
6736 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
6738 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
6740 * invoke.texi (C Dialect Options): Add missing builtins from
6742 * extend.texi (Other Builtins): Copy to this list.
6744 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6746 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
6747 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
6750 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
6752 * flow.c (compute_flow_dominators): No longer treat basic block 0
6753 or (n_basic_blocks - 1) specially. Clear the AUX field before
6754 starting computation of doms/pdoms. Fix initial state for pdoms.
6756 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6758 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
6759 match rtl.o's: added ggc.h and toplev.h
6760 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
6761 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
6762 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
6764 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
6766 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
6767 from HAVE_DOS_BASED_FILESYSTEM.
6768 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
6769 HAVE_DOS_BASED_FILESYSTEM.
6771 (split_directories): Only special-case DOS file names if
6772 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
6773 instead of explicit tests. Conditionalize on !VMS.
6774 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
6775 tests. Conditionalize on !VMS.
6776 (process_command): Only use make_relative_prefix if !VMS.
6777 (free_split_directories): Conditionalize on !VMS.
6778 (DIR_UP): Conditionalize on !VMS.
6780 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
6782 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
6784 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
6786 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
6789 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
6791 * invoke.texi (Environment Variables): Document relative path
6793 * gcc.c (DIR_UP): If not defined, define as "..".
6794 (standard_bindir_prefix): New static, holds target location to
6796 (split_directories): New function to split a filename into
6797 component directories.
6798 (free_split_directories): New function, release memory allocated
6799 by split_directories.
6800 (make_relative_prefix): New function, make a relative pathname if
6801 the compiler is not in the expected location.
6802 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
6803 can figure out an appropriate prefix from argv[0].
6804 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
6805 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
6806 STANDARD_BINDIR_PREFIX.
6808 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6810 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
6812 * config/c4x/c4x.h: Moved prototypes to c4x.h.
6813 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
6814 c4x_secondary_memory_needed) Delete.
6815 (fp_zero_operand): Add mode argument.
6817 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
6819 * reload1.c (reload_reg_free_for_value_p): Don't use a register
6820 that is in reload_reg_used.
6822 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
6824 * config/arm/arm-protos.h: New file: Prototypes for functions
6825 defined in arm.c and pe.c.
6826 * config/arm/arm.h: Fix compile time warnings.
6827 * config/arm/arm.c: Fix compile time warnings.
6828 * config/arm/pe.h: Fix compile time warnings.
6829 * config/arm/aout.h: Fix compile time warnings.
6831 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
6833 * config/m32r/m32r-protos.h: New file: Prototypes for functions
6836 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
6837 Add support for subtargets.
6838 Add prototypes for new predicates.
6839 Add scheduling macros.
6841 * config/m32r/m32r.c: Fix compile time warnings.
6842 (int8_operand): New predicate function.
6843 (reg_or_cmp_int16_operand): New predicate function.
6844 (extend_operand): New predicate function.
6845 (m32r_adjust_code): New scheduling function.
6846 (m32r_adjust_priorty): New scheduling function.
6847 (m32r_sched_init): New scheduling function.
6848 (m32r_sched_reorder): New scheduling function.
6849 (m32r_sched_variable_issue): New scheduling function.
6850 (direct_return): New codegen function.
6851 (m32r_not_same_reg): New rtl testsing function.
6853 * config/m32r/m32r.md: Fix compile time warnings.
6854 Add support for pre decrement and post increment memory
6859 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6861 * global.c (EXECUTE_IF_CONFLICT): Don't define.
6862 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
6863 (find_reg): Likewise.
6865 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
6867 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
6868 to avoid assembler errors.
6870 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
6872 * config/v850/v850-protos.h: New file: Prototypes for functions
6874 * config/v850/v850.h: Move prototypes to v850-protos.h
6875 * config/v850/v850.c: Move prototypes to v850-protos.h
6876 * config/v850/v850.md: Fix compile time warnings.
6878 * config/fr30/fr30-protos.h: New file: Prototypes for functions
6880 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
6881 * config/fr30/fr30.c: Fix compile time warnings.
6882 * config/fr30/fr30.md: Fix compile time warnings.
6884 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
6886 * tree.h (get_containing_scope): Declare it.
6887 * tree.c (get_containing_scope): New fucntion.
6888 (decl_function_context): Use it.
6889 * toplev.c (rest_of_compilation): Use get_containing_scope.
6891 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6893 * Makefile.in (rtl.o): Depend on toplev.h.
6895 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
6897 * cse.c (delete_trivially_dead_insns): Replace alloca with
6899 * except.c (update_rethrow_references): Likewise.
6900 (init_eh_nesting_info): Likewise.
6901 * function.c (identify_blocks): Likewise.
6902 * gcse.c (dump_hash_table): Likewise.
6903 * graph.c (print_rtl_graph_with_bb): Likewise.
6904 * loop.c (combine_movables): Likewise.
6905 (move_movables): Likewise.
6906 (count_loop_regs_set): Likewise.
6907 (strength_reduce): Likewise.
6908 * profile.c (compute_branch_probabilities): New function, split
6910 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
6911 * regclass.c (regclass): Likewise.
6912 * regmove.c (regmove_optimize): Likewise.
6913 * toplev.c (compile_file): Likewise.
6914 (main): Don't mess with the stack rlimit.
6916 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
6918 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
6919 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
6921 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
6923 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
6925 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
6927 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
6928 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
6931 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
6933 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
6935 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
6937 * gcse.c (post_dominators): Kill.
6938 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
6939 (compute_code_hoist_data): Use compute_flow_dominators. Do not
6940 pass in a pdom array since we do not need pdoms.
6941 * haifa-sched.c (schedule_insns): Similarly.
6942 * flow.c (compute_dominators): Remove dead function.
6943 (compute_flow_dominators): Do not compute doms or pdoms if the
6944 caller does not request them. Split up loop to build doms and
6945 pdoms. Use a worklist to compute doms and pdoms.
6946 * basic-block.h (compute_dominators): Remove prototype.
6948 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
6950 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
6951 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
6952 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
6953 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
6954 (cant_move, fed_by_spec_load, is_load_insn): Remove.
6955 (schedule_region): Remove unused variable.
6956 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
6958 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
6960 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
6961 (update_equiv_regs): Likewise.
6962 (block_alloc): Likewise.
6963 * reg-stack.c (reg_to_stack): Likewise.
6964 (convert_regs_2): Likewise.
6965 * reload1.c (reload_as_needed): Likewise.
6967 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
6969 * Makefile.in (dbxout.o): Depend on ggc.h.
6970 (dwarf2out.o): Likewise.
6971 (xcoffout.o): Likewise.
6972 * dbxout.c: Include ggc.h.
6973 (dbxout_init): Register lastfile as a root.
6974 * dwarf2out.c: Include ggc.h.
6975 (dwarf2out_line): Register lastfile as a root.
6976 * xcoffout.c: Include ggc.h.
6977 (xcoffout_source_line): Register xcoff_lastfile as a root.
6979 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
6981 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
6983 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
6985 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
6987 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
6989 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6991 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
6992 (EXECUTE_IF_CONFLICT): Likewise.
6993 (ALLOCNO_LIVE_P): Avoid signed division.
6994 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
6995 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
6996 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
6998 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
7000 * haifa-sched.c (schedule_block): Don't crash if there's no
7001 next insn for an interblock movement.
7002 (add_branch_dependences): Don't allow clobber insns to move either.
7004 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
7006 * i386.c (split_xf): New.
7007 * i386-protos.h: Declare it.
7008 * i386.md (movxf_1): Add general regs alternatives.
7009 (movxf_1+1): New splitter for same.
7011 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
7013 * function.c (purge_addressof_1): Add missing return values.
7015 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
7017 * function.c (is_addressof): New function. Returns true if
7018 the given piece of RTL is an ADDRESSOF.
7019 (purge_addressof_1): Make boolean. Return false if the
7020 ADDRESSOFs could not be purged.
7021 (purge_addressof): If ADDRESSOFs could not be purged from the
7022 notes attached to an insn, remove the offending note(s),
7023 unless they are attached to a libcall.
7025 1999-11-05 Andreas Jaeger <aj@suse.de>
7027 * genoutput.c (null_operand =): Initialize all fields.
7029 * errors.h: Add extern to prototypes.
7031 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
7033 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
7034 * configure: Rebuilt.
7036 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7038 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
7039 (mirror_conflicts): New function.
7040 (global_alloc): Call it.
7041 (expand_preferences): Remove redundant CONFLICTP test.
7042 (find_reg, dump_conflicts): Likewise.
7043 (prune_preferences): Process conflicts one word at a time.
7045 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
7047 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
7048 instead of an explicit loop.
7050 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
7052 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
7053 if REG_RETVAL check succeeds, then put classp in src_elt.
7055 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
7057 * function.c (pad_to_arg_alignment): Only update argument_pad
7058 if the argument's alignment is greater than STACK_BOUNDARY.
7060 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
7062 * bitmap.h (BITMAP_XFREE): New.
7063 * flow.c (life_analysis): Use it.
7064 (life_analysis_1): Free blocks.
7066 * combine.c (undo_commit): New.
7067 (try_combine): Use it. Don't zap undobuf.undos.
7068 (combine_instructions): Don't zap undobuf.undos; free the
7071 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
7073 * stmt.c (cost_table_): New.
7074 (estimate_case_costs): Use it instead of xmalloc.
7076 * toplev.c (compile_file): Reuse dumpname memory instead
7079 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
7081 * reg-stack.c (convert_regs_1): Initialize target_stack->top
7082 after verifying an EH edge.
7084 * haifa-sched.c (init_rgn_data_dependences): Correctly
7085 size bb_pending_lists_length when zeroing.
7087 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
7089 * function.c (diddle_return_value): New.
7090 (expand_function_end): Use it.
7091 * stmt.c (expand_null_return): Likewise.
7092 (expand_value_return): Likewise.
7094 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
7096 * reload1.c (reload): Don't remove return value clobbers.
7098 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
7100 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
7102 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
7104 * cse.c (cse_main): Use xmalloc, not alloca.
7105 (cse_basic_block): Likewise.
7106 * local-alloc.c (local_alloc): Likewise.
7108 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
7109 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7111 * rtl.c: Include toplev.h.
7112 (fatal): Remove declaration.
7114 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
7116 * haifa-sched.c (schedule_block): Fix thinko.
7118 1999-11-03 James McKelvey <mckelvey@fafnir.com>
7120 * fixinc/fixincl.c(create_file): Allow for systems that do not have
7121 S_IR* defined values
7123 1999-11-03 Philippe De Muyter <phdm@macqel.be>
7125 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
7126 call `malloc' instead.
7128 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
7130 * flags.h (flag_renumber_insns): Declare.
7131 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
7133 * rtl.h (renumber_insns): Change prototype.
7134 * toplev.c (flag_renumber_insns): Define.
7135 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
7137 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
7139 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
7140 and fpsqrtd. Use them and create fdiv function unit to more
7141 accurately represent fpu sqrt pipeline semantics on UltraSparc.
7142 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
7144 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
7146 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
7148 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
7149 insn into ready list, do not use just a raw swap.
7151 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
7153 * rtl.h (renumber_insns): New function.
7154 (remove_unnecessary_notes): Likewise.
7155 * emit-rtl.c (renumber_insns): Define.
7156 (remove_unncessary_notes): Likewise.
7157 * toplev.c (rest_of_compilation): Remove dead code.
7158 Use renumber_insns and remove_unncessary_notes.
7160 * gcse.c (struct null_pointer_info): New type.
7161 (get_bitmap_width): New function.
7162 (current_block): Remove.
7163 (nonnull_local): Likewise.
7164 (nonnull_killed): Likewise.
7165 (invalidate_nonnull_info): Take a null_pointer_info as input.
7166 (delete_null_pointer_checks_1): New function.
7167 (delete_null_pointer_checks): Use it.
7169 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
7170 (split_edges): Likewise.
7171 (schedule_block): Likewise.
7172 (compute_block_backward_dependencies): Likewise.
7173 (schedule_region): Likewise.
7174 (schedule_insns): Likewise.
7176 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
7178 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
7179 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
7180 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
7181 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
7182 * jump.c (delete_unreferenced_labels): Don't delete if
7183 LABEL_ALTERNATE_NAME is set.
7184 * print-rtl.c (print_rtx): Dump alternate name.
7185 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
7186 * rtl.h (LABEL_ALTERNATE_NAME): Define.
7187 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
7188 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
7190 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7192 * fix-header.c (recognized_extern, recognized_function): Constify
7195 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
7196 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7197 (compute_available): Remove unused variable `last'.
7198 (compute_nearerout): Remove unused variable `temp_bitmap'.
7199 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
7200 Remove unused variable `x'.
7202 * scan.h (recognized_function, recognized_extern): Constify a
7205 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
7207 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7209 * varasm.c (decode_rtx_const): Use XSTR to access the string
7212 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
7214 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
7216 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7218 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
7220 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
7222 * pa.c (ireg_operand): New function.
7223 * pa.h (PREDICATE_CODES): Handle ireg_operand.
7224 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
7225 Fix out of date comment.
7227 * pa.md (negdi2): Turn into expander + anonymous pattern.
7229 * reload.c (find_reloads): Fix typos in recent change.
7231 * dwarf2out.c: Do not include ctype.h.
7233 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7235 * regclass.c (record_reg_classes): Always use may_move_cost when
7236 seeing how operand fits with various register classes.
7238 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
7240 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
7241 * toplev.c: Revert Nov 1 13:22 change.
7243 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
7245 * config/pa/pa.md (height reduction patterns): Add checks for
7246 overlapping operands to avoid semantic-destroying splits for
7247 height reduction patterns.
7249 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7251 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
7252 have been an hyphen, fixed.
7253 * configure: Rebuilt.
7255 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
7257 * config/arm/tpe.h: Add prototypes for exported functions.
7258 * config/arm/pe.c: Fix compile time warnings.
7259 * config/arm/semi.h: Fix compile time warnings.
7260 * config/arm/arm.c: Fix compile time warnings.
7261 * config/arm/arm.h: Fix compile time warnings.
7262 * config/arm/arm.md: Fix compile time warnings.
7263 * config/arm/thumb.c: Fix compile time warnings.
7264 * config/arm/thumb.h: Fix compile time warnings.
7265 * config/arm/thumb.md: Fix compile time warnings.
7267 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
7269 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
7272 * unroll.c (unroll_loop): Remove LOOP notes when loop is
7273 completely unrolled.
7275 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7277 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
7279 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
7281 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
7282 * rtl.h (rtx_equal_p): Move prototype.
7283 * rtl.c (rtx_equal_function_value_matters): Move from
7285 (rtx_equal_p): Likewise.
7286 * rtlanal.c (rtx_equal_function_value_matters): Delete.
7287 (rtx_equal_p): Likewise.
7289 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
7291 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
7294 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
7296 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
7298 * pa.h (ADDR_VEC_ALIGN): Define.
7300 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
7301 notes when presented with "if (foo) break; end_of_loop" and
7302 the break sequence gets moved out of the loop.
7304 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
7305 Remove explicit zero initializations of entries within MAP.
7307 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
7309 * reg-stack.c (convert_regs_1): Handle EH edges specially.
7311 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
7313 * bitmap.h (BITMAP_XMALLOC): New macro.
7314 * flow.c (CLEAN_ALLOCA): Remove.
7315 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
7316 (life_analysis): Likewise.
7317 (update_life_info): Don't use CLEAN_ALLOCA.
7318 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
7319 (calculate_global_regs_live): Likewise.
7320 (print_rtl_with_bb): Likewise.
7321 (verify_flow_info): Likewise.
7322 * global.c (global_alloc): Likewise.
7323 (global_conflicts): Likewise.
7324 * integrate.c (save_for_inline_nocopy): Likewise.
7325 (expand_inline_function): Likewise.
7326 * jump.c (jump_optimize_1): Likewise.
7327 (duplicate_loop_exit_test): Likewise.
7328 (thread_jumps): Likewise.
7329 * loop.c (loop_optimize): Likewise.
7330 (combine_givs): Likewise.
7331 (recombine_givs): Likewise.
7332 * reorg.c (dbr_schedule): Likewise.
7333 * unroll.c (unroll_loop): Likewise.
7335 * combine.c (combine_instructions): Use xmalloc instead of alloca.
7337 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
7339 * toplev.c (rest_of_compilation): Don't optimize the CFG
7340 when rebuilding, just before dbr.
7342 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7344 * output.h (assemble_end_function, assemble_destructor,
7345 assemble_constructor, assemble_gc_entry, assemble_global,
7346 assemble_label, output_constant_pool) Constify a char*.
7348 * varasm.c (assemble_destructor, assemble_constructor,
7349 assemble_gc_entry, assemble_end_function, assemble_global,
7350 assemble_label, output_constant_pool): Likewise.
7352 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
7354 * config/arm/thumb.c (thumb_expand_prologue): Add comments
7355 explaining what is goin on in this function.
7357 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7359 * regclass.c (record_reg_classes): In matching case, recompute
7360 costs since the direction of movement is different.
7362 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7364 * resource.c (mark_target_live_regs): For unconditional branches,
7365 the resources found at the branch target should be added to the
7366 resources found so far, not intersected.
7368 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
7370 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
7372 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
7373 (sys/mman.h): Include this file only if #HAVE_MMAP.
7374 (run_compiles): Initialize `esac_fmt' with one old KR string, not
7375 with automatically concatenated ANSI strings.
7377 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
7379 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
7380 (DIV_ROUND_UP): Robustify.
7381 (ggc_recalculate_in_use_p): New function.
7382 (release_pages): Don't inline it.
7383 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
7385 (ggc_pop_context): Use ggc_recalculate_in_use_p.
7386 (clear_marks): Always save in_use_p.
7387 (sweep_pages): Use ggc_recalculate_in_use_p.
7388 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
7389 Release pages before counting statistics.
7391 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
7393 * toplev.c (rest_of_compilation): Fix thinko in this change:
7395 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7397 (rest_of_compilation): If inside an inlined external function,
7398 pretend we are just being declared.
7400 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
7402 * flow.c (calculate_global_regs_live): Fix thinko.
7404 * integrate.c (expand_inline_function): Fix bugs in previous
7405 change from Oct 28, 1999.
7407 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
7409 * stmt.c (expand_value_return): Fix typo in this change:
7411 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7412 (expand_value_return): Correctly convert VAL when promoting function
7413 return; support RETURN_REG being a PARALLEL.
7415 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
7417 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
7419 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7421 * hard-reg-set.h (reg_names): Constify a char*.
7423 * regclass.c (reg_names): Likewise.
7425 * regs.h (reg_names): Likewise
7427 * a29k/a29k.c (reg_names): Delete declaration.
7429 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
7431 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
7432 arc_output_function_epilogue): Likewise.
7434 * elxsi/elxsi.c (reg_names): Likewise.
7436 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
7438 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
7441 * m88k/m88k.c (output_function_profiler): Likewise.
7443 * sparc/sparc.c (sparc_flat_output_function_prologue,
7444 sparc_flat_output_function_epilogue): Likewise.
7446 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
7448 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
7449 warning from -Wuninitialized and put it under -W.
7450 * function.c (uninitialized_vars_warning): Warn only when the
7451 corresponding flag is set.
7453 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
7455 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
7456 is nonzero and the single set does not have an elt, then assign
7459 * simplify-rtx.c: New file.
7460 * Makefile.in (OBJS): Add simplify-rtx.o
7461 (simplify-rtx.o): Add dependencies.
7462 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
7463 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
7464 (cse_gen_binary, simplify_unary_operation): Delete.
7465 (simplify_binary_operation, simplify_plus_minus): Likewise.
7466 (check_fold_consts, simplify_relation_operation): Likewise.
7467 (simplify_ternary_operation): Likewise.
7468 (delete_trivially_dead_insns): Simplify the contents of the
7469 REG_EQUAL note before trying to substitute it into the source
7470 of the reg-reg copy at the end of a libcall sequence.
7472 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
7473 references/callers changed.
7475 * mn10200.c (mn10200_va_arg): Force the return value into a
7478 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
7480 * cccp.c (macroexpand): Avoid out of range accesses for omitted
7483 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
7485 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
7487 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
7489 * fold-const.c (fold): Fix thinko when optimizing comparisons
7492 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
7494 * gcc.texi (Passes): Update front-end files to their current
7497 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
7499 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
7500 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
7501 (PREDICATE_CODES): Add addition_operation.
7502 * alpha-protos.h (addition_operation): Declare.
7503 (secondary_reload_class): Likewise.
7504 * alpha.c (addition_operation): New.
7505 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
7506 * alpha.md (adddi3): Turn into expander.
7507 (*lda, *adddi_2): New.
7508 (movsf, movdf patterns): Don't preference integer regs.
7509 (movsi, movdi patterns): Don't preference fp regs.
7511 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
7513 * genrecog.c (write_switch): Check for duplicate CODE cases.
7515 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
7517 * ggc-common.c: Update pre-function commentary.
7518 * ggc-page.c: Likewise.
7520 (poison_pages): Use memset directly.
7521 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
7522 (ggc_collect): Poison before sweeping.
7523 * ggc-simple.c: Update pre-function commentary.
7524 (ggc_alloc_obj): Poison non-zeroed memory.
7526 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
7528 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
7529 match format string, even on 64-bit hosts.
7530 * gcc-page.c (ggc_page_print_statistics): Likewise.
7532 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
7534 * config/i386/i386.c (ix86_cpu): Revert last patch.
7535 * config/i386/i386.h (ix86_cpu): Ditto.
7537 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
7539 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
7540 TYPE_SIZE, convert type of result to sizetype.
7542 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
7544 * flow.c (count_or_remove_death_notes): Equate NULL with the
7547 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
7548 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
7551 * i386.c (pic_label_no): Delete.
7552 (ix86_attr_length_default): Don't use single_set to peek
7555 * recog.c (peephole2_optimize): Allow recog_next_insn to index
7556 the first insn after bb->end.
7557 * i386.md (push mem peeps): Scratch is live after evaluation
7559 (cmp mem peep): Similarly.
7561 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
7563 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
7564 * function.c (pad_to_arg_alignment): Add missing braces.
7566 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7568 * alpha/alpha-protos.h (literal_section): Add prototype.
7569 (alpha_need_linkage, alpha_start_function,alpha_end_function):
7572 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
7574 (alpha_start_function, alpha_end_function, float_strings,
7575 alpha_need_linkage): Constify a char*
7577 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
7579 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
7581 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
7583 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
7585 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7587 * flow.c (debug_flow_info): Add prototype.
7589 * gcc.c (main): Likewise.
7591 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
7594 * reload1.c (failed_reload, set_reload_reg): Likewise.
7596 * mips-tfile.c (main): Likewise.
7597 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
7598 with ATTRIBUTE_NORETURN.
7600 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
7602 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
7603 DECL is not a memory ref.
7605 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
7607 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
7608 * config/i386/i386.c (ix86_cpu): Add extern attribute.
7610 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
7612 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
7613 * config/mips/elf64.h: ditto.
7615 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
7617 * expr.c (emit_push_insn): New argument alignment_pad.
7618 Update all callers. Adjust stack pointer based on alignment pad.
7619 * function.c (pad_to_arg_alignment): New argument alignment_pad.
7620 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
7621 (locate_and_pad_parm): New argument alignment_pad. Update all
7623 * expr.h (emit_push_insn): Update prototype.
7624 (locate_and_pad_parm): Update prototype.
7625 * calls.c (arg_data): Add new field alignment_pad.
7626 (initialize_argument_information): Initialize alignment_pad.
7628 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
7630 * except.c (free_eh_nesting_info): Free the info itself.
7631 * function.c (free_after_compilation): Don't free NULL.
7632 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
7633 (pre_edge_insert): Free inserted.
7634 * stmt.c (free_stmt_status): Don't free NULL.
7636 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
7638 * gcov.c (DIR_SEPARATOR): Provide default.
7639 (output_data): Add test for MS-DOS format absolute filename.
7640 (fancy_abort): Correct program name.
7641 (open_files): Open all files in binary mode.
7642 * libgcc2.c (__bb_exit_func): Likewise.
7644 * profile.c (init_branch_prob): Specify binary when opening files.
7646 * flags.h (flag_unwind_tables): New decl.
7647 * toplev.c (flag_unwind_table): New definition.
7648 (f_options): Add -funwind-tables.
7649 (decode_g_option): Clarify warning when unknown -g option is given.
7650 (rest_of_compilation): If inside an inlined external function,
7651 pretend we are just being declared.
7653 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
7654 (dwarf2out_frame_finish): Likewise.
7656 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
7658 * fold-const.c (merge_ranges): If not in0, but in1, handle
7659 upper bounds equal like subset case.
7661 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
7663 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
7664 passed in a register but moved to the stack.
7666 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
7668 * gcc.c (pass_exit_codes, greatest_status): New variables.
7669 (struct option_map): Add entry for "--pass-exit-codes".
7670 (execute): Update greatest_status if error.
7671 (display_help): Add documentation for -pass-exit-codes.
7672 (process_command): Handle -pass-exit-codes.
7673 (main): Look at pass_exit_codes and greatest_status on call to exit.
7675 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7677 * reload.c (find_reloads): Refine test for no input reload
7678 case to not includes reloads emitted after insn.
7680 * function.c (find_temp_slots_from_address): Handle sum involving
7681 a register that points to a temp slot.
7682 (update_temp_slot_address): Make recursive call if both old and
7683 new are PLUS with a common operand.
7684 * calls.c (expand_call): Mark temp slot for result as having
7687 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
7689 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
7690 component as well as "BINUTILS".
7692 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
7693 * integrate.c (copy_rtx_and_substitute): Likewise.
7694 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
7695 All callers changed.
7696 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
7698 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
7699 gdb extensions, write size of type; also be more consistent
7700 in using references when this is a subtype.
7702 * pa.md (extv, extzv, insv): Use define_expand to reject constant
7703 that is out of range.
7705 * loop.c (unknown_constant_address_altered): New variable.
7706 (prescan_loop): Initialize it.
7707 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
7708 (invariant_p, case MEM): Remove handling for volatile and readonly;
7709 check new variable if readonly.
7710 (check_dbra_loop): Chdeck unknown_constant_address_altered.
7712 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
7713 (addr_affects_sp_p): Removed from note_mem_written and only
7714 define #ifdef AUTO_INC_DEC.
7716 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
7718 * regclass.c (record_reg_classes): Properly handle register move
7721 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
7722 Don't think valid if both operands are invalid.
7723 (struct constant_descriptor): New field RTL.
7724 (mark_const_hash_entry): Mark it.
7725 (record_constant{,_rtx}): Initialize it.
7726 (output_constant_def): Allocate RTL in permanent obstack and
7728 ({record,compare}_constant_1): Modes must match for
7729 CONSTRUCTOR of ARRAY_TYPE.
7731 * c-common.h (initializer_constant_valid_p): Delete decl from here.
7732 * output.h (initializer_constant_valid_p): Move decl to here.
7733 * c-common.c (initializer_constant_valid_p): Delete function from here.
7734 * varasm.c (initializer_constant_valid_p): Move function to here.
7736 * tree.h (STRIP_SIGN_NOPS): New macro.
7737 * fold-const.c (optimize_minmax_comparison): New function.
7738 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
7739 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
7740 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
7741 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
7742 widening conversions.
7743 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
7744 to look at size of mode, not precision of type; also add missing cases.
7745 (optimize_bit_field_compare, decode_field_reference): Don't try to
7746 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
7748 * dwarf2out.c (ctype.h): Include.
7749 (dwarf2out_set_demangle_name_func): New function.
7750 (size_of_line_info): Deleted.
7751 (output_line_info): Compute size of line info table from difference
7753 (base_type_die, add_name_attribute): Call demangle function, if any.
7754 (field_byte_offset): Use bits per word for variable length fields.
7755 (gen_array_type_die): Add array name.
7756 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
7757 (dwarf2out_add_library_unit_info): New function.
7759 * explow.c (set_stack_check_libfunc): New function.
7760 (stack_check_libfunc): New static variable.
7761 (probe_stack_range): Allow front-end to set up a libfunc to call.
7763 * combine.c (simplify_comparison): When making comparison in wider
7764 mode, check for having commuted an AND and a SUBREG.
7765 (contains_muldiv): New function.
7766 (try_combine): Call it when dividing a PARALLEL.
7767 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
7768 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
7770 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
7771 use one of the CLOBBERs instead.
7772 (if_then_else_cond): If comparing against zero, just return thing
7775 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
7776 Don't generate shifts and subtract if have conditional arithmetic.
7778 * rtl.h (delete_barrier): New declaration.
7779 * jump.c (jump_optimize): Set up to handle conditional call.
7780 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
7781 (delete_barrier): New function.
7783 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
7785 * recog.c (nonmemory_operand): Accept ADDRESSOF.
7787 * tree.c (build_type_attribute_variant): Push to obstack of
7788 ttype around type_hash_canon call.
7790 * expr.c (placeholder_list): Move decl to file scope.
7791 (expand_expr): Don't force access to volatile just because its
7793 If ignoring reference operations, just expand the operands.
7794 (expand_expr, case COMPONENT_REF): Propagate
7795 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
7796 Refine test for using bitfield operations vs pointer punning.
7797 (expand_expr, case CONVERT_EXPR): If converting to
7798 BLKmode UNION_TYPE from BLKmode, just return inner object.
7799 Use proper mode in store_field call.
7800 Properly set sizes of object to store and total size in store_field
7801 call for convert to union.
7802 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
7803 memory (like for ADDR_EXPR). Also, don't put constant in register if
7804 we'll want it in memory.
7805 (readonly_fields_p): New function.
7806 (expand_expr, case INDIRECT_REF): Call it if LHS.
7807 (expand_assignment): Handle a RESULT_DECL where
7808 DECL_RTL is a PARALLEL.
7809 (do_jump, case WITH_RECORD_EXPR): New case.
7810 (get_inner_reference): Always go inside a CONVERT_EXPR
7811 and NOP_EXPR if both modes are the same.
7812 (store_field): Use bitfield operations if size of bitsize is not same
7813 as size of RHS's type.
7814 Check for bitpos not a multiple of alignment in BLKmode case.
7815 Do block move in largest possible alignment.
7816 (store_constructor): Set BITSIZE to -1 for variable size and properly
7817 in case of array of BLKmode.
7818 (expand_expr_unaligned): New function.
7819 (do_compare_and_jump): Call it.
7821 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
7822 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
7823 does not include 'o'.
7825 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
7826 both SET_DEST and SET_SRC reference a virtual register.
7827 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
7829 * integrate.c (expand_inline_function): Handle case of setting
7830 virtual stack vars register (from built in setjmp); when parameter
7831 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
7832 (subst_constant): Add new parm, MEMONLY.
7833 (expand_inline_function, integrate_parm_decls): Pass new parm.
7834 (integrate_decl_tree): Likewise.
7835 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
7836 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
7837 (copy_rtx_and_substitute, case SET): Add explicit calls to
7838 copy_rtx_and_substitute for both sides.
7840 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
7842 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
7843 within INDEX_TYPE, instead of before.
7844 (fixup_gotos): Use f->target_rtl, not the next insn,
7845 since latter may be from a later fixup.
7846 (expand_value_return): Correctly convert VAL when promoting function
7847 return; support RETURN_REG being a PARALLEL.
7848 (expand_return): When checking for result in regs and having
7849 cleanup, consider PARALLEL in DECL_RTL as being in regs.
7851 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
7853 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
7854 last_nominal_fname): Mark const.
7855 (struct include_hash: name, nshort, control_macro): Mark
7857 (struct macrodef: symnam): Mark const.
7858 (struct if_stack: fname): Mark const.
7859 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
7860 (IStable): New character-syntax array which encompasses all
7861 the old is_foo arrays.
7862 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
7863 is_space): New macros for interrogating IStable.
7864 (check_macro_name): Kill last argument. All callers changed.
7866 * cppinit.c (initialize_char_syntax): Delete.
7867 (is_idchar, is_idstart, is_hor_space, is_space,
7868 trigraph_table): Delete.
7869 (IStable): New. Initialize with clever macros to avoid
7870 information duplication.
7871 (builtin_array): Table of builtins to get rid of explicit list
7872 in initialize_builtins.
7873 (initialize_builtins): Use builtins_array.
7874 (cpp_start_read): Call init_IStable, and set IStable['$'] if
7875 opts->dollars_in_ident.
7877 * cppexp.c: Change all refs to is_xyz[] arrays to use new
7879 (cpp_parse_expr): Avoid 'format string is not constant'
7880 warning. Use ISGRAPH to identify printable chars.
7881 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
7883 (read_and_prescan): Map trigraphs to chars with open-coded
7884 if-else-if-... sequence, not a lookup table.
7885 * cpphash.c: Change all refs to is_xyz[] arrays to use new
7887 * cpplib.c: Change all refs to is_xyz[] arrays to use new
7888 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
7889 (check_macro_name): Remove ability to report an invalid
7890 assertion name, which is never used.
7891 (do_line): Constify a couple of char *'s.
7892 * cppmain.c (main): Call cpp_cleanup before returning.
7894 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
7896 * ggc.h (struct ggc_statistics): New type.
7897 (ggc_get_size): New function.
7898 (ggc_print_statistics): Likewise.
7899 * ggc-common.c (ggc_stats): New variable.
7900 (ggc_mark_rtx_children): Keep statistics.
7901 (ggc_mark_tree_children): Likewise.
7902 (ggc_print_statistics): New function.
7903 * ggc-page.c (struct globals): Add bytes_mapped field.
7904 (alloc_anon): Update it.
7905 (release_pages): Likewise.
7906 (ggc_get_size): New function.
7907 (ggc_page_print_statistics): New function.
7908 * ggc-simple.c (ggc_get_size): New function.
7910 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
7912 * flow.c (propagate_block): When the last reference to a label
7913 before an ADDR_VEC is deleted because the reference is a dead
7914 store, delete the ADDR_VEC.
7916 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
7918 * resource.c (find_free_register): Don't use the frame pointer
7919 if frame_pointer_needed.
7921 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
7923 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
7924 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
7926 * config/i960/i960.c (i960_va_start): New locals base, num.
7927 Use INDIRECT_REF instead of ARRAY_REF on valist.
7928 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
7930 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
7932 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
7934 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
7936 * tree.def (PLACEHOLDER_EXPR): Update comments.
7938 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7940 * c-common.c (check_format_info): Avoid non-literal format string
7941 warnings when `first_arg_num' is zero.
7943 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
7945 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
7947 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7949 * arm.md (casesi_insn): Add a clobber of the condition code
7952 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
7954 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
7955 used by both cc1 and cc1plus.
7957 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
7959 * config/arm/arm.c: Initialise arm_structure_size_boundary to
7960 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
7961 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
7962 to the value 32 if it has not already been defined.
7963 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
7964 Override definition in arm.h with a value of 8.
7966 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
7968 * c-pragma.c (push_alignment): Don't check the return value
7971 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
7973 * sparc.h (ADJUST_COST): Fix thinko.
7975 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
7977 * cccp.c (rescan): Fixed obp pointer handling around call to
7978 check_expand subroutine.
7980 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
7982 * gcse.c (delete_null_pointer_checks): Only record non-null info
7983 for pseudos when examining stores.
7985 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
7986 splitters for these patterns. Use "#" for output templates.
7987 (addsi3_carryin_shift): New pattern.
7989 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
7991 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
7992 of the function return register into a plain REG until
7993 after function inlining is done.
7995 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
7997 * jump.c (jump_optimize_1): If we did cross-jumping, and
7998 the data will matter, rebuild the CFG.
7999 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
8000 not optimizing. Don't run shorten_branches.
8001 * toplev.c (rest_of_compilation): Run shorten_branches after
8004 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
8006 * rtl.h (note_stores): Add additional paramter.
8007 * rtlanal.c (reg_set_p_1): Take additional paramter.
8008 (reg_set_last_1): Likewise.
8009 (reg_set_p): Adjust call to note_stores.
8010 (reg_set_last): Likewise.
8011 (note_stores): Pass data parameter to worker function.
8012 * alias.c (record_set): Take additional parameter.
8013 (init_alias_analysis): Pass it.
8014 * caller-save.c (mark_set_regs): Take additional parameter.
8015 (save_call_clobbered_regs): Pass NULL to note_stores.
8016 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
8018 (record_dead_and_set_regs_1): Likewise.
8019 (reg_dead_at_p_1): Likewise.
8020 (combine_instructions): Adjust calls to note_stores.
8021 (try_combine): Likewise.
8022 (record_dead_insn): Remove.
8023 (record_dead_and_set_regs): Adjust calls to note_stores.
8024 (reg_dead_at_p): Likewise.
8025 * cse.c (invalidate_skipped_set): Take additional parameter.
8026 (cse_check_loop_start): Likewise.
8027 (cse_check_loop_start_value): Remove.
8028 (cse_set_around_loop): Adjust calls to note_stores.
8029 * flow.c (notice_stack_pointer_modification): Take additional
8030 parameter. Remove duplicate declaration.
8031 (record_volatile_insns): Adjust calls to note_stores.
8032 * gcse.c (record_set_info): Take additional parameter.
8033 (record_last_set_info): Likewise.
8034 (invalidate_nonnull_info): Likewise.
8035 (record_set_insn): Remove.
8036 (compute_sets): Adjust calls to note_stores.
8037 (last_set_insn): Remove.
8038 (compute_hash_table): Adjust calls to note_stores.
8039 (insert_insn_end_bb): Likewise.
8040 (delete_null_pointer_checks): Likewise.
8041 * global.c (mark_reg_store): Take additional parameter.
8042 (mark_reg_clobber): Likewise.
8043 (reg_becomes_live): Likewise.
8044 (global_conflicts): Adjust calls to note_stores.
8045 (build_insn_chain): Likewise.
8046 * integrate.c (note_modified_parmregs): Take additional parameter.
8047 (mark_stores): Likewise. Make it static.
8048 (save_for_inline_nocopy): Adjust calls to note_stores.
8049 (try_constants): Likewise.
8050 * integrate.h (mark_stores): Remove declaration.
8051 * jump.c (mark_modified_reg): Take additional parameter.
8052 (thread_jumps): Adjust calls to note_stores.
8053 * local-alloc.c (validate_equiv_mem_from_store): Take additional
8055 (no_equiv): Likewise.
8056 (reg_is_set): Likewise.
8057 (validate_equiv_mem): Adjust calls to note_stores.
8058 (update_equiv_regs): Likewise.
8059 (block_alloc): Likewise.
8060 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
8061 (note_addr_stored): Take additional parameter.
8062 (note_set_pseudo_multiple_uses): Likewise.
8063 (record_initial): Likewise.
8064 (prescan_loop): Adjust calls to note_stores.
8065 (strength_reduce): Likewise.
8066 (check_dbra_loop): Likewise.
8067 * regmove.c (flags_set_1): Take additional paramter.
8068 (mark_flags_life_zones): Adjust calls to note_stores.
8069 * reload1.c (mark_not_eliminable): Take additional parameter.
8070 (forget_old_reloads_1): Likewise.
8071 (reload_cse_invalidate_rtx): Likewise.
8072 (reload_cse_check_clobber): Likewise.
8073 (reload_combine_note_store): Likewise.
8074 (move2add_note_store): Likewise.
8075 (reload): Adjust calls to note_stores.
8076 (reload_as_needed): Likewise.
8077 (emit_reload_insns): Likewise.
8078 (reload_cse_regs_1): Likewise.
8079 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
8080 (reload_combine): Adjust calls to note_stores.
8081 * resource.c (update_live_status): Take additional paramter.
8082 (mark_target_live_regs): Adjust calls to note_stores.
8083 * stupid.c (find_clobbered_regs): Take additional parameter.
8084 (stupid_life_analysis): Adjust calls to note_stores.
8086 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
8088 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
8091 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
8094 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
8095 of the variable arm_structure_size_boundary.
8097 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
8099 * alias.c (init_alias_analysis): Allocate reg_known_value and
8100 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
8102 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
8103 * cse.c (cse_main): Call end_alias_analysis.
8104 * haifa-sched.c (schedule_insns): Likewise.
8105 * local-alloc. (update_equiv_regs): Likewise.
8106 * reload1.c (reload_cse_regs): Likewise.
8108 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8110 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
8111 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
8112 mapping from MASK_FPU.
8114 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
8116 * sparc.md (call): Don't bound structure return size to 0xfff.
8118 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
8120 * resource.c (mark_target_live_regs): Check that the target
8121 insn wasn't created after compute_bb_for_insn.
8123 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
8125 * ggc-page.c (poison_pages): Don't be overzealous.
8127 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
8129 * alias.c: Update comments for ADDRESS.
8130 (nonlocal_reference_p): Look inside the ADDRESS to determine if
8131 it is a local memory reference.
8133 * c-typeck.c (build_function_call): Check that the built-in
8134 function is of class BUILT_IN_NORMAL before trying to recongize
8136 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
8137 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
8139 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
8141 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
8143 (pre_gcse): Likewise.
8144 (hoist_expr_reaches_here_p): Likewise.
8145 (hoist_code): Likewise.
8146 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
8148 (pre_expr_reaches_here_p_work): ... here.
8149 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
8151 (expr_reaches_here_p_work): ... here.
8153 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
8155 * resource.c (find_basic_block): Delete.
8156 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
8157 (init_resource_info): Call compute_bb_for_insn.
8159 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
8161 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
8162 with already adjacent blocks, but no fallthru.
8163 (merge_blocks_move_successor_nojumps): Simplify.
8164 (debug_flow_info): New.
8166 * toplev.c (rest_of_compilation): Open jump1 dump file before
8167 jump and close after, as opposed to just using dump_rtl.
8169 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8171 * reload.h (earlyclobber_operand_p): Declare.
8172 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
8173 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
8174 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
8175 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
8177 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
8178 Richard Henderson <rth@cygnus.com>
8180 * emit-rtl.c (emit_block_insn_before): New.
8181 (emit_block_insn_after): New.
8182 * basic-block.h: Declare them.
8184 * bitmap.h: Protect from multiple inclusion.
8186 * recog.c (scratch_operand): Handle VOIDmode correctly.
8188 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
8190 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
8191 * function.c (assign_parms): Likewise.
8192 * global.c (global_conflicts): Clarify STACK_REGS commentary.
8194 * reg-stack.c (max_uid): Remove.
8195 (blocks, block_begin, block_end, block_drops_in): Remove.
8196 (block_stack_in, block_out_reg_set, block_number): Remove.
8197 (struct block_info_def, BLOCK_INFO): New.
8198 (enum emit_where): New.
8199 (current_block): New.
8200 (BLOCK_NUM): Remove.
8201 (mark_regs_pat, record_label_references): Remove.
8202 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
8204 (goto_block_pat, print_blocks, dump_stack_info): Remove.
8205 (reg_to_stack): Simplified test for existance of fp code. Use
8206 flow.c code. Call shorten_branches after cross-jump opt.
8207 (check_asm_stack_operands): Renamed from record_asm_reg_life.
8208 Return false if the asm doesn't use stack regs. Don't do life
8209 analysis on the asm.
8210 (emit_pop_insn): Replace function pointer arg `when' with
8211 enum `where'. Update all callers.
8212 (change_stack): Likewise. Update basic block end.
8213 (emit_swap_insn): Use current_block->head to limit reverse search
8214 for start of block. Use emit_block_insn_after.
8215 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
8216 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
8217 structure assignment instead of bcopy.
8219 (convert_regs_entry, convert_regs_exit): New.
8220 (convert_regs_1, convert_regs_2): Split out from convert_regs.
8221 Work on basic blocks and the CFG.
8222 (convert_regs): Use them.
8224 * i386.c (output_fix_trunc): Remove code for DImode input operand
8225 not at top-of-stack.
8226 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
8228 (fix_truncdi_1): Allow any mode scratch.
8230 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
8232 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
8233 * linux.h, netbsd.h, vms.h: Not here.
8235 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
8237 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
8238 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
8239 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
8240 CONDITIONAL_REGISTER_USEAGE): Use them.
8241 * config/mips/mips.c (mips_move_1word,mips_move_2words,
8242 gen_conditional_branch,override_options) : Use them.
8243 * config/mips/mips.md : Use them.
8245 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
8247 * i386.md (zero_extendqihi2): Use SImode register name with andl.
8249 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
8251 * integrate.c (function_cannot_inline_p): Don't allow inlining
8254 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8256 * c-parse.in (cast_expr): Constify.
8258 * cccp.c (special_symbol): Likewise.
8260 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
8262 * dwarf2out.c (base_type_die): Likewise.
8264 * global.c (allocno_compare): Likewise.
8266 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
8268 * regclass.c (fix_register): Likewise.
8270 * rtl.h (fix_register): Likewise.
8272 * stupid.c (stupid_reg_compare): Likewise.
8274 * toplev.c (decode_f_option): Likewise.
8276 * tree.c (build_complex_type): Likewise.
8278 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
8280 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
8282 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8284 * reload.c (find_reloads): Compute mode and nregs fields of all
8286 * reload1.c (calculate_needs_all_insns): Simplify a bit.
8287 (calculate_needs): Use precomputed mode/nregs values.
8288 (allocate_reload_reg): Likewise.
8290 (failed_reload, set_reload_reg): ... new functions.
8291 (choose_reload_regs_init): New function, mostly broken out from...
8292 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
8293 Also lose one #if 0 block.
8295 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
8297 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
8300 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
8302 * tree.h (BLOCK_TYPE_TAGS): Remove.
8303 (BLOCK_END_NOTE): Likewise.
8304 (BLOCK_LIVE_RANGE_FLAG): Likewise.
8305 (BLOCK_LIVE_RANGE_START): Likewise.
8306 (BLOCK_LIVE_RANGE_END): Likewise.
8307 (tree_block): Remove live_range_flag, live_range_var_flag, and
8308 type_tags. Remove end_note, live_range_start, and live_range_end.
8309 (remember_end_note): Remove prototype.
8310 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
8311 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
8313 * ggc-common.c (ggc_mark_tree_children): Don't mark
8314 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
8315 * integrate.c (adjust_copied_decl_tree): Remove.
8316 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
8317 * stmt.c (last_block_end_note): Remove.
8318 (init_stmt): Don't add a GC root for it.
8319 (expand_fixup): Don't set it.
8320 (remember_end_note): Remove.
8321 (expand_end_bindings): Don't set last_block_end_note.
8323 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8325 * reload1.c (reload_reg_free_for_value_p): Show
8326 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
8329 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
8331 * expmed.c (extract_bit_field): Allow for the case of non-integer
8332 objects that are smaller than a word (like SFmode on a 64-bit
8335 * loop.c (basic_induction_var): A non-integer variable which is
8336 being set by a paradoxical subreg is probably not a biv.
8338 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8340 * prefix.c (translate_name) Check for empty prefix string.
8342 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
8344 * Makefile.in (CPP_CROSS_NAME): New variable.
8345 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
8347 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
8348 names of the files to be uninstalled.
8350 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
8352 * collect2.c (IS_DIR_SEPARATOR): Define.
8353 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
8355 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
8358 * haifa-sched.c (add_dependence): Update the true dependency
8359 cache the first time we add a true dependence to the LOG_LINKS chain.
8361 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
8363 * fold-const.c (fold): Fix comment.
8365 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8367 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
8368 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
8369 dbxout_start_new_source_file, dbxout_source_file,
8370 dbxout_source_line, dbxout_finish, dbxout_type_fields,
8371 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
8373 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
8374 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
8375 (dbxout_block): Initialize variable `blocknum'.
8377 * dbxout.h (dbxout_init, dbxout_finish,
8378 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
8379 dbxout_args, dbxout_source_line): Constify a char*.
8381 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
8382 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
8383 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
8384 low_pc_attribute, high_pc_attribute, body_begin_attribute,
8385 body_end_attribute, comp_dir_attribute, sf_names_attribute,
8386 src_info_attribute, mac_info_attribute, producer_attribute,
8387 lookup_filename, generate_macinfo_entry, fundamental_type_code,
8388 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
8389 dwarfout_undef): Constify a char*.
8390 (add_incomplete_type, retry_incomplete_types): Add prototypes.
8392 * dwarfout.h (dwarfout_define, dwarfout_undef,
8393 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
8395 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
8397 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
8398 (MULTILIB_ISA_DEFAULT): New.
8399 (MULTILIB_DEFAULTS): Use it.
8400 * config/mips/mips.c (): Remove the now unnecessary definition
8401 of MIPS_ISA_DEFAULT.
8402 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
8403 unnecessary definition.
8405 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
8407 * arm.md (pic_load_addr): Add constraints to operand 1.
8409 1999-10-25 Bruce Korb <autogen@linuxbox.com>
8411 * fixinc/genfixes: Provide a means for specifying -D options to
8414 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
8416 * arm.c (arm_override_options): Correct initialization of
8417 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
8418 arm_is_strong, and arm_is_6_or_7.
8420 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
8421 (note_set_pseudo_multiple_uses): New function.
8422 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
8423 if a pseudo set in the loop exit is used elsewhere.
8425 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
8427 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
8429 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
8431 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
8432 a single load-address pattern.
8434 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
8436 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
8437 depending on whether or not line-number notes are present.
8439 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8441 * cccp.c (progname, file_buf, default_include, include_file,
8442 macrodef, definition, hashval, wchar_type, user_label_prefix,
8443 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
8444 expand_to_temp_buffer, is_system_include, base_name,
8445 absolute_filename, read_name_map, open_include_file,
8446 record_control_macro, check_precompiled, check_preconditions,
8447 pcfinclude, pass_thru_directive, create_definition,
8448 check_macro_name, comp_def_part, collect_expansion,
8449 check_assertion, read_token_list, assertion_install,
8450 assertion_lookup, eval_if_expression, conditional_skip,
8451 validate_else, skip_quoted_string, quote_string, macarg1,
8452 error_from_errno, install, lookup, hashf, dump_defn_1,
8453 perror_with_name, pfatal_with_name, main, trigraph_pcp,
8454 check_white_space, rescan, handle_directive, monthnames,
8455 special_symbol, do_include, remap_include_file, write_output,
8456 arglist, do_assert, do_unassert, do_line, do_error, do_once,
8457 do_ident, do_sccs, do_xifdef, skip_if_group,
8458 output_line_directive, macroexpand, macarg, change_newlines,
8459 initialize_builtins, make_definition): Constify a char*.
8461 * pcp.h (stringdef): Likewise.
8463 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
8465 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
8468 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
8469 Richard Henderson <rth@cygnus.com>
8471 * alias.c: Include ggc.h.
8472 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
8473 (record_set): Verify enough room in reg_base_value.
8474 (init_alias_analysis): Allocate reg_base_value with xcalloc.
8475 Register it as a GC root.
8476 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
8477 * Makefile.in (alias.o): Depend on ggc.h.
8479 * unroll.c (unroll_loop): Verify the insn before a barrier
8480 is a JUMP_INSN before checking JUMP_LABEL.
8482 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
8485 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
8486 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
8487 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
8488 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
8489 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
8491 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8493 * output.h (ctors_section, dtors_section, bss_section): Prototype.
8495 * alpha/alpha-interix.h (text_section): Delete prototype.
8496 * alpha/elf.h (text_section): Likewise.
8497 * arm/linux-elf.h (text_section): Likewise.
8498 * arm/linux-telf.h (text_section): Likewise.
8499 * c4x/c4x.h (text_section): Likewise.
8500 * dsp16xx/dsp16xx.h (bss_section): Likewise.
8501 * elfos.h (text_section): Likewise.
8502 * i386/aix386ng.h (text_section): Likewise.
8503 * i386/i386-interix.h (text_section): Likewise.
8504 * i386/sco5.h (text_section): Likewise.
8505 * i386/svr3gas.h (text_section): Likewise.
8506 * nextstep.h (text_section): Likewise.
8507 * psos.h (text_section): Likewise.
8508 * ptx4.h (text_section): Likewise.
8509 * svr3.h (text_section): Likewise.
8510 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
8512 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8514 * final.c (peephole): Delete prototype.
8516 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
8517 (pre_insert_copies): Remove unused variable `bb'.
8519 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
8522 * output.h (peephole): Add prototype.
8524 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
8526 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
8529 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
8531 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
8532 for inlined declarations.
8534 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
8536 * arm.c (logical_binary_operator): New fucntion.
8537 * arm.h (logical_binary_operator): Declare it.
8538 (PREDICATE_CODES): Handle logical_binary_operator.
8539 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
8540 output constraints. Add appropriate splitters.
8541 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
8542 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
8543 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
8545 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8547 * genoutput.c (struct operand_data): New elt eliminable.
8548 (output_operand_data): Write it.
8549 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
8550 (compare_operands): Take it into account.
8551 * recog.h (struct insn_operand_data): New elt eliminable.
8552 * reload1.c (check_eliminable_occurrences, elimination_effects): New
8554 (old_asm_operands_vec, new_asm_operands_vec): Delete.
8555 (eliminate_regs): Move code that detects changes to elimination
8556 target regs into new function elimination_effects.
8557 Delete one #if 0 block.
8558 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
8559 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
8560 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
8561 Only call eliminate_regs for real operands of the insn, not for parts
8562 of its structure or parts matched by things like match_operator.
8563 Use elimination_effects and check_eliminable_occurrences. Use
8564 copy_insn to duplicate the pattern when not in the final pass.
8566 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
8568 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
8571 1999-10-22 Bruce Korb <autogen@linuxbox.com>
8573 * fixinc/README: document the "mach" machine matching test
8574 * fixinc/fixfixes.c: Implement the #else/#endif label fix
8575 * fixinc/fixtests.c: Implement the #else/#endif label test
8576 * fixinc/inclhack.def: utilize these tests and fixes
8577 * fixinc/inclhack.sh: regen
8578 * fixinc/fixincl.x: regen
8579 * fixinc/fixincl.sh: regen
8581 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
8583 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
8586 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
8588 * gcc.1: Document exit codes.
8590 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8592 * calls.c: Include tm_p.h later, so everything we need is defined.
8594 * function.c: Likewise.
8596 * except.c: Include tm_p.h.
8598 * sparc.c: Likewise.
8599 (dwarf2out_cfi_label): Don't prototype.
8600 (check_return_regs, epilogue_renumber,
8601 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
8602 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
8603 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
8604 ultra_schedule_insn): Add static prototype.
8605 (data_segment_operand, text_segment_operand): Call itself with the
8606 proper number of arguments.
8607 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
8609 * sparc.h: Move all declarations to sparc-protos.h.
8610 (SELECT_RTX_SECTION): Pass a missing MODE argument to
8613 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
8615 * config/svr4.h (text_section, ctors_section, dtors_section): Add
8617 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
8618 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
8619 ASM_OUTPUT_ASCII): Constify a char*.
8621 * sparc-protos.h: New file for sparc prototypes.
8623 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8625 * function.c (record_insns, contains): Always declare and define.
8626 (record_insns): Mark with ATTRIBUTE_UNUSED.
8628 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
8630 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
8631 to .section when outputting a .bss section to deal with multiple
8632 .bss input sections (as happens with -fdata-sections)
8633 Also output %progbits, not @progbits so the assembler doesn't treat as
8635 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
8637 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
8638 thumb parts even when building with non-thumb CPUs, by forcing
8641 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
8643 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
8644 (movdf_const_intreg_sp64): Similarly.
8646 * local-alloc.c (update_equiv_regs): Check the correct insn
8647 for pre-existing REG_EQUIV notes.
8649 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
8651 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
8652 block reached by a branch if we're not going to actually process
8655 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
8657 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
8658 a local extern function declaration.
8660 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
8662 * i386.c (ix86_expand_prologue): Properly wrap USE around
8663 reg for CALL_INSN_FUNCTION_USAGE.
8665 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
8667 * config/mips/mips.md (movdf_internal1a): Allow floating-point
8668 move between GP_REGs.
8670 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
8672 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
8673 the mode size when finding out if an offset is legal.
8675 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
8677 * basic-block.h (PROP_*): Move constants from ...
8679 (compute_bb_for_insn): Free the array before reallocating.
8680 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
8681 (allocate_reg_life_data): Reset all reg variables collected by
8683 (get_block_head_tail): Don't convert from bb to block.
8684 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
8685 (find_insn_reg_weight): Take block not bb.
8686 (schedule_block): Don't set block num for moved insns.
8687 (schedule_region): Don't update_life_info or find_insn_reg_weight.
8688 (schedule_insns): Do it here instead.
8689 * combine.c (combine_instructions): Invoke compute_bb_for_insn
8690 before update_life_info.
8691 * recog.c (split_all_insns, peephole2_optimize): Update for
8692 new arg to update_life_info.
8693 * rtlanal.c (remove_note): Cope with NULL note.
8694 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
8697 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
8699 * jump.c (jump_optimize_1): More accurately detect casesi insns.
8701 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
8702 block records so that merge_blocks_nomove will clean up correctly.
8703 (split_edge): Handle casesi insns.
8705 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
8707 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
8709 * pa.md (call, call_value): Do not emit a blockage after restoring
8712 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
8714 * c-typeck.c (c_expand_asm_operands): Fix typo.
8716 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8718 * arm.c (fpu_rhs_operand): Verify modes.
8719 (fpu_add_operand): Likewise.
8720 (di_operand): Likewise.
8721 (soft_df_operand): Likewise.
8723 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
8725 * arm.c (arm_return_in_memory): APCS rules state that the elements
8726 of a structure returned in a register must be 'integer-like'.
8728 1999-10-19 Bruce Korb <autogen@linuxbox.com>
8730 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
8731 in the source tree when the generated targets are out of date
8732 * fixinc/genfixes: Alter it to run individual fixes for make.
8733 * fixinc/README: rewrite
8734 * fixinc/inclhack.def: moved initial comments to README
8736 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
8738 * toplev.c (main): Do not generate an error message if an
8739 unrecognised command line switch is recognisable by another
8740 language. If extra_warnings are enabled, then generate a
8741 warning message instead.
8743 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
8745 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
8746 (insert_pack_attributes): Delete prototype.
8748 * c-pragma.c (default_alignment): New static variable.
8749 (push_alignment): Initialize to current effective alignment.
8750 (pop_alignment): Use to set new alignment.
8751 (insert_pack_attributes): Delete function.
8752 (handle_pragma_token): Set default_alignment as well each time
8753 a #pragma pack(<n>) is encountered.
8755 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
8757 * reg-stack.c (stack_result): Aggregates are not returned in
8760 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
8762 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
8764 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
8766 * basic-block.h (set_block_num): Declare.
8767 * flow.c (update_life_info): Don't call compute_bb_for_insn
8768 or free_basic_block_vars.
8769 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
8770 (insn_orig_block): Remove.
8771 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
8772 (schedule_block): Keep BLOCK_NUM up-to-date.
8773 (schedule_insns): Use compute_bb_for_insn.
8774 * recog.c (split_all_insns): Likewise.
8775 (peephole2_optimize): Likewise.
8777 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
8779 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
8780 if the pic register is used.
8782 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8784 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
8785 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
8786 if that tests TREE_PERMANENT.
8788 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
8790 * cse.c (invalidate_for_call): Do not remove memory references from
8791 the table here. It's handled elsewhere.
8793 * haifa-sched.c (add_dependence): Protect references to the
8794 true dependency cache with #ifdef INSN_SCHEDULING.
8795 (remove_dependence): Similarly.
8797 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
8798 to the cfg code that this is a return instruction.
8799 * mn10300.md (return_internal): Similarly.
8801 * combine.c (get_last_value): If the last set of a register
8802 is after subst_low_cuid, then we can not use it to determine
8803 the register's last value.
8805 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8807 * Makefile.in: Back out previous change.
8809 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
8811 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
8813 * haifa-sched.c (add_dependence): Only check/update the cache
8815 (remove_dependence): Likewise.
8816 (schedule_insns): Only create the true_dependency_cache if the
8817 average number of instructions in a basic block is very large.
8819 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
8821 * Makefile.in (ggc-common.o): Depend on genrtl.h.
8822 (ggc-simple.o): Likewise.
8823 (ggc-page.o): Likewise.
8825 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
8827 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
8828 Prototype for exported functions.
8829 (pre_lcm, pre_rev_lcm): Remove prototypes.
8830 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
8831 (compute_available): Move to lcm.c, and change parameter order.
8832 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
8833 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
8834 (gcse_main): No longer call compute_preds_succs. Rebuild the
8835 set table after reach pre pass.
8836 (pre_insert_map, pre_delete_map, edge_list): New.
8837 (alloc_pre_mem): Allocate edge vectors.
8838 (free_pre_mem): Delete edge vectors.
8839 (compute_pre_data): Call new edge based lcm routines.
8840 (process_insert_insn): New function.
8841 (insert_insn_end_bb): Use it.
8842 (pre_edge_insert): New function.
8843 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
8845 (pre_insert_copies): Revamp using new edge based lcm outputs.
8846 (pre_delete): Likewise.
8847 (one_pre_gcse_pass): Insert & remove fake edges to the exit
8849 (compute_code_hoist_vbeinout): New new edge based routines.
8850 * lcm.c: Remove all the old LCM functions. Replace with new ones
8851 that work with the new cfg datastructures and work with edges
8854 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8856 * reload.h (struct reload): Add new fields "mode" and "nregs".
8857 * reload1.c: Change all occurrences of reload_mode and reload_nregs
8858 to reference the "mode" and "nregs" field within struct reload.
8860 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
8862 * haifa-sched.c (true_dependency_cache): New.
8863 (add_dependence): Use the true dependency cache to avoid expensive
8864 walks down the LOG_LINKS dependency list. Add entries to the
8866 (remove_dependence): Remove entries from the true dependency cache
8868 (schedule_insns): Allocate and initialize and free the true
8871 * haifa-sched.c (schedule_insns): Do not remove inter-block
8872 dependencies anymore.
8874 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
8876 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
8877 * i386/t-winnt: Likewise.
8879 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
8881 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
8883 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
8885 * Makefile.in (LANGUAGES): Omit "proto".
8886 (clean): Remove stale comment about removing unprotoize.c.
8888 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8890 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
8891 using arithmetic on void pointers.
8893 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
8895 * haifa-sched.c (compute_block_forward_dependencies): Only check
8896 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
8898 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
8900 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
8901 (expr_equiv_p): Reject memories with different alias sets.
8903 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
8905 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
8906 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
8907 (f_options): Add "bounded-pointers" and "bounds-check" entries.
8908 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
8909 (lang_init): Set default for flag_bounds_check if still "unspecified".
8911 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8913 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
8915 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8917 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
8920 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8922 * config/c4x/c4x.md (*db_noclobber,
8923 *decrement_and_branch_until_zero_noclobber): New patterns and
8924 associated splitters.
8926 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8928 * config/c4x/c4x.md (parallel instruction patterns): Rework
8929 constraints to keep reload happy.
8931 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8933 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
8934 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
8935 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
8936 Add new patterns and associated post-reload splitters.
8938 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8940 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
8942 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8944 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
8946 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
8948 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8950 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
8953 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
8955 * pa.c (move_operand): Rely on memory_address_p to determine the
8956 validity of non-indexed memory addresses.
8957 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
8958 operand in DFmode and SFmode when generating PA2.0 code.
8960 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
8962 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
8964 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
8966 * mips.c (function_prologue): Fix argument types.
8967 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
8968 (casesi_internal): Write to the scratch register.
8970 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
8972 * cppexp.c (cpp_parse_escape): Make static. Change second arg
8974 (parse_charconst): Delete unnecessary cast when calling
8976 (cpplib.h): Kill prototype of cpp_parse_escape.
8978 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
8980 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
8981 * unroll.c (unroll_loop): Cast return value of alloca.
8982 * i370/i370.c: Include function.h and toplev.h.
8983 (i370_label_scan): Remove c++ commented abort.
8984 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
8985 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
8986 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
8987 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
8989 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
8991 * config/t-freebsd: Do not override USER_H.
8992 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
8994 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
8995 Mumit Khan <khan@xraylith.wisc.edu>
8997 * c-parse.in (component_decl): Support anonymous struct/union.
8999 * c-parse.y: Regenerate.
9000 * c-parse.c: Likewise.
9001 * objc/objc-parse.y: Likewise.
9002 * objc/objc-parse.c: Likewise.
9003 * c-decl.c (finish_struct): Don't sort the fields.
9004 (field_decl_cmp): Delete unused function.
9006 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
9008 * sparc.md (movsf_const_intreg): Revert last constraint change.
9009 (movdf_const_intreg_sp32): Likewise.
9011 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
9013 * cse.c: Include hashtab.h instead of splay-tree.h
9014 (struct cse_reg_info): No longer use variant union. Add new
9015 field "regno". All references changed to avoid union.
9016 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
9017 (free_cse_reg_info): Remove.
9018 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
9019 (get_cse_reg_info): Revamp to use expandable hash tables instead
9020 of splay trees. Initialize new fields in cse_reg_info structure.
9021 (new_basic_block): Similarly.
9023 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
9025 * genrecog.c (message_with_line): Prototype.
9026 (validate_pattern): Pass along the set for the dest, not a flag.
9027 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
9028 Check for PC/CC0 as sources.
9029 (nodes_identical): Check for children position match before
9030 allowing the combination.
9032 * rtl.c (read_rtx): Track line number across \\\n.
9034 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
9036 * mips.h (SPECIAL_MODE_PREDICATES): New.
9037 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
9038 (movdi+1, movsi+1): Add output reload constraint.
9039 (casesi_internal): Likewise. Fix commentary.
9040 (return_internal): Use pmode_register_operand.
9042 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
9044 * 1750a.md (movstrqi): Add missing output reload constraint.
9045 (call_value): Likewise.
9046 * a29k.md (cpxxx patterns): Add missing match_operator mode.
9047 (jmpfdec): Add missing inout reload constraint.
9048 * elxsi.md (addsi patterns): Add missing output reload constraint.
9049 (move from sp): Use @ alternates.
9050 (call_value): No constraint on output.
9051 * fr30.md (movsi_pop): Add missing output reload constraint.
9052 (movsf_constant_store): Likewise.
9053 (splits): Remove constraints.
9054 (subsi3): Add missing mode.
9055 * i370.md (cmpstrsi+1): Add missing output reload constraint.
9056 (call_value): Likewise.
9057 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
9058 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
9059 * m32r.md (movsicc_internal): Add output reload constraint.
9060 (movstrsi_internal): Add inout reload constraints.
9061 * m88k.h (reg_names): Don't declare.
9062 (SPECIAL_MODE_PREDICATES): New.
9063 * m88k.md (*): Use register_operand not reg_or_0_operand
9065 * mn10200.h (PREDICATE_CODES): New.
9066 * ns32k.md (ffs pattern): Add output reload constraint.
9067 * pdp11.md (sob pattern): Add inout reload constraint.
9068 * sh.md (splits): Remove constraints.
9069 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
9070 * v850.md (pattern_is_ok_for_epilogue): Likewise.
9071 * vax.md (jgequ pattern): Add inout reload constraint.
9073 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
9075 * configure.in (djgpp): Revert previous patch.
9076 * configure: Rebuit.
9077 * config/i386/djgpp.h: Revert previous patch.
9079 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
9081 * fixinc/inclhack.def: Restore patch lost during last merge of
9082 "no_bogosity" branch.
9083 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
9085 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
9087 * fixincludes: Add a HPUX 11 fix for inttypes.h.
9088 * fixinc/inclhack.def: Same.
9089 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
9091 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
9093 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
9094 as the base of a PLUS.
9096 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9098 * config/c4x/c4x.md: Define mode for remaining unspec operators.
9099 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
9101 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
9103 * pa.md (post_stw+1): Use pmode_register_operand.
9104 (dcacheflush, icacheflush): Likewise.
9106 * i386.md (movstricthi_1): Allow r/r.
9108 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
9110 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
9111 to (not (and (arg0) (arg1))). Similary for and.
9113 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
9114 fallthrough to associate code.
9115 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
9118 * combine.c (simplify_logical): Convert XOR to IOR if operands have
9119 no bits in common; remove XOR to ROTATE conversion.
9121 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9123 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
9125 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9127 * config/c4x/c4x.c (dst_operand): New.
9128 (PREDICATE_CODES): Update.
9129 * config/c4x/c4x.h (dst_operand): Declare it.
9130 * config/c4x/c4x.md: Define mode for each unspec usage.
9131 (move patterns): Use dst_operand predicate instead of src_operand.
9132 (movqi_update, movqf_update): Delete.
9134 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
9136 * recog.c (pmode_register_operand): New.
9137 * recog.h: Declare it.
9138 * genrecog.c (pred_codes): Likewise.
9139 (special_mode_pred_table): Likewise.
9140 (validate_pattern): Don't warn no mode for address_operand.
9142 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
9143 if the operand is not insn-like.
9145 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
9146 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
9148 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
9150 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
9152 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
9153 instead of general_operand in a SET_DEST. Use const_double_operand
9154 instead of an explicit test against CONST_DOUBLE.
9155 (movsf_const_lo): Add missing register mode.
9156 (goto_handler_and_restore): Add auxiliary test for Pmode.
9157 (flush): Adjust to use address_operand.
9158 (return_sf_no_fpu): Add missing output constraint.
9160 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
9162 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
9163 for call return value.
9164 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
9166 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
9168 * toplev.c (main): Only warn about options for other languages.
9169 * collect2.c (main): Pass -w to sub-gcc.
9171 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
9173 * flow.c (propagate_block): Add call-clobbered registers to
9176 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
9177 zapping mem_set_list.
9178 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
9179 (mark_set_1, mark_used_regs): Likewise.
9181 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
9183 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
9185 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9187 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
9188 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
9189 options. Also add a new item "C-only Warning Options" to the
9192 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
9194 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
9195 from multiple calls.
9197 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
9199 * i386.md (call value patterns): Move to the end of the file.
9200 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
9202 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
9204 * configure.in (djgpp configuration): Define extra_objects..
9205 * configure: Rebuilt.
9206 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
9207 (DTORS_SECTION_ASM_OP): Define.
9208 (INIT_SECTION_ASM_OP): Define.
9209 (FINI_SECTION_ASM_OP): Define.
9210 (DATA_SECTION_ASM_OP): Define.
9211 (TEXT_SECTION_ASM_OP): Define.
9212 (EH_FRAME_SECTION_ASM_OP): Define.
9213 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
9214 (STARTFILE_SPEC): Add crtbegin.o.
9215 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
9216 to here from LINK_COMMAND_SPEC.
9217 (DO_GLOBAL_CTORS_BODY): Define.
9218 (CRTSTUFF_USE_FINI_SECTION): Define
9219 (HAS_INIT_SECTION): Delete.
9221 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
9223 * Makefile.in (all.cross): Depend on xcpp$(exeext).
9225 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
9227 * pa.h (PREDICATE_CODES): New.
9229 * genrecog.c (validate_pattern): Condense the destination
9232 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
9234 * alpha.md (call-1): Supply missing mode for operator.
9235 (*): Add missing output reload constraints. Remove constraints
9238 * i386.h (SPECIAL_MODE_PREDICATES): New.
9239 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
9240 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
9241 (addsi_lea_3): Add missing mode for op 3.
9242 (prologue_set_got, prologue_get_pc): Add missing modes.
9243 (*) Add missing output reload constraints.
9245 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
9247 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
9248 check for member bit-size overflow and use var_size if it occurs.
9249 (layout_record): Use bitsize_int() to define the type size in bits.
9250 Likewise for computation and assignment to DECL_FIELD_BITPOS.
9251 (layout_decl): Likewise when assigning to DECL_SIZE.
9253 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
9255 * genrecog.c (validate_pattern): Typo last change. Verify
9256 that output operands have output reloads.
9258 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
9260 * genrecog.c (special_mode_pred_table): New.
9261 (NUM_SPECIAL_MODE_PREDS): New.
9262 (find_operand): New.
9263 (validate_pattern): New argument `insn'. Warn for assignment to
9264 any predicate accepting non-lvalues. Conditionaly warn for
9265 match_operand without a mode. Try much harder to match source
9266 and destination modes on a set.
9267 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
9269 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
9271 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
9273 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
9275 * combine.c (simplify_logical): Recognize xor pattern that encodes
9278 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9280 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
9283 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
9285 * ggc-page.c (MAP_FAILED): Provide default.
9287 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
9289 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
9290 * sparc.h (PREDICATE_CODES): Update.
9292 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
9294 * alpha.c (some_ni_operand): New.
9295 * alpha-protos.h: Declare it.
9296 * alpha.h (PREDICATE_CODES): Update.
9297 * alpha.md (sXaddq reload insns): Use some_ni_operand
9298 for SET_DEST instead of some_operand.
9300 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
9301 Jim Wilson <wilson@cygnus.com>
9303 * genrecog.c (maybe_both_true_2): Don't compare modes of
9305 (process_tree): Elide peephole2_insns. Invoke simplify_tests
9306 after find_afterward.
9307 (debug_decision_1): Dump next and afterward codes.
9309 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
9311 * rtl.c (dump_and_abort): Remove.
9312 (fatal_with_file_and_line): New.
9313 (fatal_expected_char): New.
9314 (read_rtx_lineno, read_rtx_filename): New.
9315 (read_skip_spaces): Track line number.
9316 (read_name): Use fatal_with_file_and_line.
9317 (read_rtx): Use fatal_expected_char. Track line number.
9318 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
9320 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
9321 if it isn't a CODE_LABEL.
9323 * genattr.c (main): Set read_rtx_filename.
9324 * genattrtab.c (main): Likewise.
9325 * gencodes.c (main): Likewise.
9326 * genconfig.c (main): Likewise.
9327 * genemit.c (main): Likewise.
9328 * genextract.c (main): Likewise.
9329 * genflags.c (main): Likewise.
9330 * genopinit.c (main): Likewise.
9331 * genoutput.c (main): Likewise.
9332 * genpeep.c (main): Likewise.
9334 * genrecog.c (decision_test.u.insn): Add `lineno'.
9335 (pattern_lineno, error_count): New variables.
9336 (message_with_line): New.
9337 (add_to_sequence): Break out checking code to ...
9338 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
9339 (merge_insn): Use message_with_line.
9340 (make_insn_sequence): Use validate_pattern. Record insn lineno.
9341 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
9343 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9345 * expr.c (store_constructor): Clear union if constructor is empty.
9347 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
9349 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
9350 Add !endian checks. Change %{...} to %(...).
9352 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
9354 * i386.md (*addsi3_cc): Renamed from addcsi3.
9355 (*addsi3_carry): Renamed from addxsi3.
9356 (*subsi3_cc): Renamed from subcsi3.
9357 (*subsi3_carry): Renamed from subxsi3.
9358 (*xorqi_cc_1): Renamed from xorcqi_1.
9359 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
9360 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
9362 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
9364 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
9365 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
9367 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
9369 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
9370 climb up the chain of insns.
9372 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
9374 * genrecog.c (write_subroutine): Careful for null trees.
9375 (process_tree): Don't elide empty functions.
9377 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
9379 * Makefile.in (genrtl.o): Depend on ggc.h.
9380 * configure.in (valloc): Probe for it.
9381 (with-gc): Use ggc-page if valloc present.
9382 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
9383 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
9384 (ggc_alloc_string): Moved from ggc-page.c.
9385 * ggc-none.c (ggc_alloc_obj): New.
9386 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
9387 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
9388 (struct globals): Likewise for dev_zero_fd.
9389 (init_ggc): Likewise for it's initialization.
9390 (ggc_allocated_p): Move careful dereference from ...
9391 (ggc_lookup_page_table): ... here. Delete.
9392 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
9393 (alloc_anon): Use valloc if no mmap.
9394 (release_pages): Use free if using valloc.
9395 (ggc_alloc_obj): Renamed from alloc_obj.
9396 (ggc_set_mark): Renamed from mark_obj.
9397 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
9398 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
9399 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
9400 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
9401 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
9402 (ggc_collect): Use fp printing instead of our own rounding.
9403 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
9404 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
9405 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
9406 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
9407 (struct ggc_string, struct ggc_any): Delete.
9408 (offsetof): Provide default definition.
9409 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
9411 (struct ggc_mem): New, from corpse of ggc_any.
9412 (struct ggc_status): Delete.
9413 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
9414 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
9415 (n_strings_collected, n_anys_collected): Delete.
9416 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
9417 (ggc_alloc_string, ggc_alloc): Delete.
9418 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
9419 (ggc_free_string, ggc_free_any): Delete.
9420 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
9421 (ggc_compare_addresses, ggc_mark_string): Delete.
9422 (ggc_mark_string_if_gcable, ggc_mark): Delete.
9423 (search_data): Delete.
9424 (struct globals): New.
9425 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
9426 (tree_insert, tree_lookup): New.
9427 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
9428 (clear_marks, sweep_objs): New.
9429 (ggc_collect): Gut. Use clear_marks, sweep_objs.
9430 (init_ggc): Set allocated_last_gc.
9431 (ggc_push_context): Gut. Use G.context.
9432 (ggc_pop_context): Likewise.
9433 (ggc_pop_context_1): New.
9434 (debug_ggc_tree): New.
9435 (debug_ggc_balance, tally_leaves): New.
9436 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
9437 (ggc_mark_string_if_gcable): Remove decl.
9438 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
9439 (ggc_mark_rtvec_children): New.
9440 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
9441 (ggc_mark_if_gcable): New decl.
9442 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
9443 (ggc_alloc_tree, ggc_alloc): Likewise.
9444 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
9445 (ggc_alloc_obj): New decl.
9446 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
9447 (ggc_alloc_tree, ggc_alloc): Likewise.
9448 (ggc_set_mark): New decl.
9449 * rtl.h (struct rtx_def): Remove gc_mark.
9450 (struct rtvec_def): Likewise.
9451 * tree.h (struct tree_common): Likewise.
9453 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
9455 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
9456 float_format and thread_file definitions.
9457 * configure: Rebuilt.
9459 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
9461 * extend.texi (Function Names): Document types of function names.
9463 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9465 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9466 an earlyclobbered output conflict with RELOAD_INPUT reloads.
9468 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9470 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
9472 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9474 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
9476 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
9478 * collect2.c (main): Do prelimnary link on AIX if rflag.
9480 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9482 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
9483 __CTOR_LIST__ in opposite order, which is the correct order for sorted
9485 (__do_global_dtors): similarly for __DTOR_LIST__.
9487 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9488 Diego Novillo <dnovillo@cygnus.com>
9490 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
9493 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
9495 * fixincl/*: Merged "no_bogosity" branch
9496 * fixincl/fixlib.h: protect against doubly defining t_bool
9497 * fixincl/server.h: protect against doubly defining t_bool
9499 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
9501 * genoutput.c: Include toplev.h.
9503 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
9505 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
9507 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
9508 * configure: Regenerate.
9510 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
9512 * gcse.c (delete_null_pointer_checks): Returns void.
9514 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9516 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
9517 * emit-rtl.c (copy_insn_1): Likewise.
9519 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
9521 * config/mips/mips.c (mips_build_va_list): Correct
9522 TREE_CHAIN setting when hard-float.
9523 (mips_va_start): Use corrected setting.
9524 (mips_va_arg): Likewise. Also pass a tree to build of
9525 POSTINCREMENT_EXPR rather than a naked 'int'.
9527 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
9529 * ggc.h (ggc_push_context): Fix comment.
9530 (ggc_pop_context): Likewise.
9531 (mark_string_if_gcable): Likewise.
9532 * ggc-common.c (ggc_mark_rtx_children): Use
9533 ggc_mark_string_if_gcable.
9534 * ggc-page.c (ggc_lookup_page_table): New function.
9535 (ggc_allocated_p): Likewise.
9536 (mark_obj): Fix formatting.
9537 (ggc_mark_string_if_gcable): New function.
9538 * ggc-simple.c (ggc_allocated_strings): New variable.
9539 (ggc_strings_used): Likewise.
9540 (ggc_compare_addresses): New function.
9541 (ggc_pop_context): Pop the `any' memory too.
9542 (ggc_mark_string_if_gcable): New function.
9543 (ggc_collect): Initialize and tear down ggc_allocated_strings.
9545 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
9547 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
9548 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
9549 * rs6000.c (expand_block_move): Match movstrsi_?reg register
9552 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
9554 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
9555 (sched_reg_live_length, sched_reg_basic_block): Delete.
9556 (current_block_num, bb_live_regs, old_live_regs): Delete.
9557 (dead_notes, struct sometimes): Delete.
9558 (sched_note_set, birthing_insn_p): Delete.
9559 (adjust_priority): Gut useless reg lifetime code.
9560 (create_reg_dead_note, attach_deaths): Delete.
9561 (attach_deaths_insn, new_sometimes_live): Delete.
9562 (finish_sometimes_live): Delete.
9563 (find_pre_sched_live, find_post_sched_live): Delete.
9564 (update_reg_usage): Delete.
9565 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
9566 (schedule_insns): Delete reg lifetime code.
9567 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
9568 (unlink_other_notes): Adjust REG_NOTE commentary.
9569 (reemit_notes): Use REG_SAVE_NOTE.
9570 (schedule_block): Likewise.
9571 (schedule_region): Allocate bitmap of blocks in region. Use
9572 count_or_remove_death_notes. Use update_life_info.
9574 * rtl.h (REG_SAVE_NOTE): New.
9575 * rtl.c (reg_note_name): Update.
9577 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
9579 * combine.c (refresh_blocks, need_refresh): New.
9580 (combine_instructions): Allocate refresh_blocks. Invoke
9581 update_life_info if needed.
9582 (distribute_notes): Mark refresh_blocks instead of installing
9584 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
9585 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
9587 * Makefile.in (recog.o): Depend on basic-block.h.
9589 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
9591 * genrecog.c (add_to_sequence): Thinko last change: delete
9592 shadowing allow_const_int variable.
9594 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9596 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
9597 __GNUC__ and __GNUC_MINOR__.
9599 * gansidecl.h: Likewise.
9605 * toplev.h: Likewise.
9611 * varray.c: Likewise.
9613 * varray.h: Likewise.
9615 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9617 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
9618 use one before a jump table.
9620 * rtl.def (ADDRESS): Change documentation to match reality.
9621 * md.texi: Don't document it.
9622 * gmicro.md (load address pattern): Use 'p' constraint, delete use
9625 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
9627 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
9629 * genrecog.c (add_to_sequence): Move allow_const_int test outside
9630 known predicate block; default allow_const_int true.
9631 (debug_decision_list): New.
9633 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
9635 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
9637 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
9639 * gcse.c (gcse_main): Avoid global optimizations if we have a
9640 large number of basic blocks and the ratio of edges to blocks
9642 (delete_null_pointer_checks): Likewise.
9644 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
9646 * c-common.c (check_format_info): Warn if format string isn't a
9649 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
9651 * configure.in (arm*-*-*): Don't let autoconf remove brackets
9652 * configure: regenerate
9654 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
9656 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
9657 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
9658 (peepholes): Re-enable.
9660 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
9662 * Makefile.in (flow.o): Depend on TREE_H.
9663 * basic-block.h (REG_SET_EQUAL_P): New.
9666 (free_regset_vector): Remove declaration.
9667 (flow_delete_insn_chain): Declare.
9668 (enum update_life_extent): New.
9669 (update_life_info, count_or_remove_death_notes): Declare.
9670 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
9671 Verify register live at bb->global_live_at_start before adding USE.
9672 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
9673 (CLEAN_ALLOCA): New.
9675 (PROP_*): New flags.
9676 (find_basic_blocks_1): Use alloc_EXPR_LIST.
9677 (clear_edges): Zero n_edges.
9678 (make_edge): Increment n_edges.
9679 (split_edge): Don't allocate bb->local_set. Increment n_edges.
9680 (flow_delete_insn_chain): Export.
9681 (delete_block): Decrement n_edges.
9682 (merge_blocks_nomove): Likewise.
9683 (life_analysis): Give life_analysis_1 PROP flags.
9684 (verify_wide_reg_1, verify_wide_reg): New.
9685 (verify_local_live_at_start): New.
9686 (update_life_info): Rewrite to call into propogate_block.
9688 (mark_regs_live_at_end): After reload, if epilogue as rtl,
9689 always mark stack pointer. Conditionally mark PIC register.
9690 After reload, mark call-saved registers, return regsiters.
9691 (life_analysis_1): Accept PROP flags not remove_dead_code.
9692 Call mark_regs_live_at_end before zeroing regs_ever_live.
9693 Use calculate_global_regs_live. Copy global_live_at_end before
9694 calling final propagate_block. Zero reg_next_use on exit.
9695 (calculate_global_regs_live): New.
9696 (allocate_bb_life_data): Don't allocate bb->local_set.
9697 (init_regset_vector, free_regset_vector): Remove.
9698 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
9699 Test flags before every operation. Warn if prologue/epilogue insn
9700 would have been deleted.
9701 (mark_set_regs, mark_set_1): Accept and use FLAGS.
9702 Use alloc_EXPR_LIST.
9703 (mark_used_regs): Accept and use FLAGS, not FINAL.
9704 Remove special handling for RETURN.
9705 (try_pre_increment): Use alloc_EXPR_LIST.
9706 (dump_flow_info): Dump n_edges.
9707 (unlink_insn_chain, split_hard_reg_notes): Remove.
9708 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
9709 (find_insn_with_note, new_insn_dead_notes): Remove.
9710 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
9711 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
9712 (replace_insns): Remove.
9713 (count_or_remove_death_notes): New.
9714 (verify_flow_info): Abort on error after all checks.
9715 (remove_edge): Decrement n_edges.
9716 (remove_fake_edges): Tweek format.
9717 * haifa-sched.c (schedule_insns): Use split_all_insns.
9718 * output.h (update_life_info): Remove declaration.
9719 * recog.c (split_all_insns): From the corpse of split_block_insns,
9720 do the whole function block by block. Use update_life_info.
9721 (recog_last_allowed_insn): New.
9722 (recog_next_insn): Mind it.
9723 (peephole2_optimize): Set it. Walk backwards through blocks.
9724 Use update_life_info.
9725 * rtl.h (update_flow_info, replace_insns): Remove declarations.
9726 (split_all_insns): Declare.
9727 * toplev.c (rest_of_compilation): Thread prologue before flow2.
9728 Use split_all_insns.
9730 * i386.md (or -1 peep2s): Disable.
9732 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
9734 * config/mips/mips.md (movstrsi+[123]) : Combine these into
9735 a single pattern. Scrap the 'd' versions as unnecessary.
9737 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
9738 tablejump_mips162,tablejump_internal4): The operands to a
9739 label_ref must be VOIDmode.
9741 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9743 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
9745 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9747 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
9749 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
9751 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
9752 cache every function if ggc_p.
9754 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9756 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
9757 instead of copy_rtx. Accept sequences that contain asm statements.
9758 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
9759 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
9760 orig_asm_operands_vector, copy_asm_operands_vector,
9761 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
9763 * rtl.h (copy_insn, copy_insn_1): Declare.
9765 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9767 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
9769 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
9770 arguments to `current_file_function_operand'.
9772 * genrecog.c: Include hard-reg-set.h and resource.h in the
9773 generated output file.
9775 * real.c: Include tm_p.h.
9777 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9779 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
9782 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
9784 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
9785 before the fctiwz insn.
9787 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9788 Mark Mitchell <mark@codesourcery.com>
9790 * tree.c (make_lang_type_fn): New funtion pointer.
9791 (make_lang_type): Call it.
9792 * tree.h (make_lang_type): Declare.
9793 (make_lang_type_fn): Likewise.
9794 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
9796 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
9798 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
9799 make sure that HIGH instructions are copied into BASE_REGS.
9801 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
9803 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
9805 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
9807 * c-decl.c (finish_struct): Use simpler method of
9808 removing elements of a singly-linked list.
9810 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
9812 * alpha.md (peephole2's): Comment out peephole2's that generate
9815 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
9817 * genrecog.c (add_to_sequence): Disable mode check for
9820 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9822 * ggc-simple.c (init_ggc): Set empty_string.
9824 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
9826 * configure.in: Detect mmap. Add --with-gc=foo to select
9827 garbage collector; default to page if mmap available.
9828 * Makefile.in (GGC): Substitute.
9830 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
9832 * c-decl.c (ggc_p): Enable.
9834 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9836 * flow.c (verify_flow_info): Make it extern & unconditionally define.
9838 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
9840 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
9841 string for little-endian-data.
9843 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
9845 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
9846 case somebody tries to compile --enable-checking code with gcc
9849 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
9851 * genrecog.c (add_to_sequence): Verify operand to label_ref is
9854 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
9856 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
9857 * jump.c (jump_optimize_1): Document why.
9859 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9861 * collect2.c (scan_prog_file, scan_libraries): Prototype function
9862 pointers and casts for `int_handler' and `quit_handler'.
9864 * flow.c (verify_flow_info, split_hard_reg_notes,
9865 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
9866 remove_edge, remove_fake_successors): Add static prototypes.
9867 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
9868 (mark_set_1): Initialize variable `regno'.
9869 (unlink_insn_chain): Likewise for variable `curr'.
9870 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
9872 * loop.c (strength_reduce): Initialize variable
9873 `unrolled_insn_copies'.
9874 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
9875 prototypes. Change these functions to take const PTR parameters
9876 to avoid prototype conflict when used as the comparson argument
9878 (check_dbra_loop): Initialize variable `comparison_val'.
9880 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
9881 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
9882 (find_valid_class): Initialize variable `best_class'.
9883 (find_reloads): Call memcpy, not bcopy.
9885 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
9886 (hard_reg_use_compare): Don't needlessly cast away const.
9887 (reload_reg_class_lower): Likewise.
9888 (choose_reload_regs): Initialize variable `regno'.
9890 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
9892 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
9894 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
9896 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
9897 ({,d}discard): Add forward declarations. Declare parameter as
9899 (main_without_main): Explicitly declare return type to be int.
9900 (memcpy): Properly declare.
9902 * libgcc2.c (toplevel): If inhibit_libc is defined and not
9903 building the trampoline support, declare malloc, free, and
9905 (__clear_cache): Mark arguments as potentially unused.
9907 * frame.c (toplevel): If inhibit_libc is defined, declare
9910 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
9912 * flow.c (make_edge): Accept an optional 2D bitmap in which
9913 to cache edge existence. Update all callers.
9914 (make_label_edge, make_eh_edge): Pass through the edge cache.
9915 (make_edges): Provide the cache.
9917 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9919 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
9921 (local_mbtowc): Change the type of variable `i' from int to size_t.
9923 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
9924 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
9926 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
9928 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
9929 after other includes that define the appropriate types. Include
9930 tm_p.h for getting user prototypes.
9931 * ggc-callbacks.c (toplevel): Ditto.
9932 * ggc-none.c (toplevel): Ditto.
9933 * gcc-page.c (toplevel): Ditto.
9934 * ggc-simple.c (toplevel): Ditto.
9936 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
9937 Jonathan Larmour <jlarmour@cygnus.co.uk>
9939 * config/mips/mips.c (mips_move_2words): Split doubles if
9940 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
9942 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
9944 * genrecog.c (struct decision_test): New.
9945 (struct decision): Remove test-related members, sort the rest by size.
9946 (IS_SPLIT): Simplify.
9947 (new_decision, new_decision_test): New.
9948 (add_to_sequence): Use them. No special handling for args of
9950 (maybe_both_true): Renamed from not_both_true; return sense changed.
9951 (maybe_both_true_1, maybe_both_true_2): New. Broken out
9952 of maybe_both_true and adjusted for decision_test.
9953 (position_merit): Remove.
9954 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
9955 (merge_accept_insn): New, broken out of merge_trees.
9956 (merge_trees): Use them. No special case for c_test; no node
9957 splitting; use test type instead of position_merit.
9958 (factor_tests): New.
9959 (simplify_tests): New.
9960 (break_out_subroutines): Don't write code now.
9961 (find_afterward): New.
9962 (write_afterward, write_switch, write_cond): New.
9963 (write_action, is_unconditional): New.
9964 (write_node): New. Use them.
9965 (write_tree_1): Rewrite. Use the new functions above.
9966 (write_tree): Remove afterward processing.
9967 (write_subroutine): Simplify function variant emission.
9968 (write_subroutines): New.
9969 (same_codes, clear_codes): Remove.
9970 (same_modes, clear_modes): Remove.
9971 (write_header): New, broken out of main.
9972 (make_insn_sequence): Use new_decision and new_decision_test.
9973 (process_tree): New, broken out of main.
9974 (main): Adjust for merge_trees interface change.
9975 Don't #define operands in the output file.
9976 (record_insn_name): New, broken out of make_insn_sequence.
9977 (debug_decision_2, debug_decision_1, debug_decision_0): New.
9978 (debug_decision): New.
9980 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
9982 * resource.c (find_free_register): Mark class_str argument const.
9983 * resource.h: Update prototype to match.
9985 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
9986 * i386.md: Give all anonymous insns names.
9988 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
9990 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
9993 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
9995 * toplev.c (dbr_sched_time): Unconditional.
9996 (peephole2_time): New.
9997 (compile_file): Add pass numbers to all of the dump file suffixes.
9998 Dump peephole2_time. Don't dump times for non-applicable passes.
9999 (rest_of_compilation): Add pass numbers to dump file suffixes.
10000 Conditionalize calls to the scheduler.
10001 * invoke.texi: Update.
10003 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
10005 * flow.c (make_edges): Fix insn iteration.
10006 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
10007 (find_basic_blocks_1): Fix spelling mistake.
10009 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
10011 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
10012 always have side-effects. Use memset not bzero.
10013 (make_node): Likewise.
10015 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
10017 * stmt.c (expand_anon_union_decl): When any of the elements of the
10018 union is addressable, so is the entire union.
10020 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
10022 * sbitmap.c (sbitmap_ones): Don't set too many bits.
10024 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
10025 * bitmap.c (bitmap_operation): Return true iff TO changed.
10026 (bitmap_equal_p): New.
10027 (bitmap_bit_p): Tidy arithmetic.
10028 (debug_bitmap_file): Likewise.
10030 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
10032 * toplev.c (rest_of_compilation): Turn on cse_not_expected
10033 before cse2 instead of after.
10035 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
10037 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
10040 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10042 * cppinit.c (is_idchar initializer): Loosen tests to accept
10045 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
10047 * mips.md: Define conditional move patterns for floating point
10048 operands and DI mode conditions.
10050 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
10052 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
10053 always have side-effects.
10055 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
10057 * mn10200.c (asm_file_start): Fix typo.
10059 * cppinit.c (is_idchar initializer): Tighten tests for when
10060 to put the table into initialized memory.
10062 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
10063 not an array of rtunion.
10064 * gcc-page.c (ggc_alloc_rtvec): Similarly.
10065 * gcc-simple (ggc_free_rtvec): Similarly.
10067 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
10070 * mbchar.h: Add missing #endif.
10072 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
10073 (FPBIT, DPBIT): Define.
10075 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10077 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
10079 * profile.c (instrument_arcs, output_gcov_string,
10080 tablejump_entry_p): Add static prototypes.
10081 (output_gcov_string): Constify a char*.
10083 * regmove.c (replacement_quality, fixup_match_2): Add static
10086 * resource.h (reg_dead_p): Add extern prototype.
10088 * rtl.c (trim_filename): Add static prototype.
10090 * scan-decls.c (skip_to_closing_brace): Likewise.
10092 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
10093 (expand_end_case): Initialize variable `range'.
10094 (emit_case_nodes): Remove unused prototype `rtx_fn'.
10096 * varasm.c (asm_emit_uninitialised): Add static prototype.
10097 (asm_emit_uninitialised, assemble_variable): Mark parameter with
10100 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10102 * cpplib.c (if_directive_nameo): Add static prototype.
10104 * cse.c (cse_insn): Remove unused variable `p'.
10106 * except.c (create_rethrow_ref, push_entry,
10107 receive_exception_label, new_eh_region_entry, find_func_region,
10108 clear_function_eh_region, process_nestinfo): Add static prototypes.
10109 (get_reg_for_handler): Hide definition.
10110 (process_nestinfo): Initialize variable `extra_handlers'.
10112 * expr.h (expand_builtin_longjmp): Add extern prototype.
10114 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
10116 * function.c (prepare_function_start): Likewise.
10117 (pop_function_context_from): Mark parameter `context' with
10119 (push_temp_slots_for_block, flush_addressof): Hide definition.
10121 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
10122 solve_program_flow_graph, calculate_branch_probs,
10123 function_summary, main, fancy_abort): Add prototypes.
10125 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
10126 (add_hash): Constify a char*.
10128 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
10129 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
10130 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
10132 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
10134 * lists.c (free_list, zap_lists): Likewise.
10136 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10138 * alias.c (nonlocal_reference_p): Add static prototype.
10140 * bitmap.c (bitmap_element_allocate): Prototype args in function
10143 * builtins.c (stabilize_va_list): Add static prototype.
10144 (expand_builtin_va_arg): Constify a char*.
10146 * c-lex.c (getch, put_back, extend_token_buffer_to,
10147 read_line_number, token_getch, token_put_back): Add static
10150 * c-parse.gperf (hash, is_reserved_word): Likewise.
10152 * cccp.c (is_dir_separator): Likewise.
10154 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10156 * graph.h: New file to prototype functions exported by graph.c.
10158 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
10160 * graph.c: Include graph.h.
10162 * toplev.c: Likewise. Remove redundant prototypes.
10164 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
10166 * invoke.texi: Removed duplicated description for -Q.
10168 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
10170 * extend.texi: Grammar fix in __extension__ text.
10172 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
10174 * md.texi (define_peephole2): New section.
10176 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
10178 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
10179 (mov $-1 to or peepholer): Enable for pentium when optimizing for
10182 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
10184 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
10186 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
10188 * i386.md (ffs expander): Emit Pentium friendly code for
10191 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
10193 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
10195 (build1): Likewise.
10197 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10199 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
10201 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
10203 * config/m68k/m68k.c (use_return_insn): Return false if the pic
10204 register is in use.
10206 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10208 * md.texi (No Constraints): Delete section.
10209 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
10210 * final.c (final_scan_insn): We always have register constraints.
10211 * genattrtab.c: Don't include "insn-config.h".
10212 (write_attr_case): We always have register constraints.
10213 * genconfig.c (register_constraint_flag): Delete.
10214 (walk_insn_part): Don't check whether we have register constraints.
10215 (main): Don't write out "#define REGISTER_CONSTRAINTS".
10216 * genoutput.c (have_constraints): Delete.
10217 (main): Don't set it.
10218 (output_operand_data): We always have constraints.
10219 (scan_operands): Likewise.
10220 (compare_operands): Likewise.
10221 * local-alloc.c (block_alloc): We always have constraints.
10222 (requires_inout): Always compile this function.
10223 * recog.c (extract_insn): We always have constraints.
10224 (constrain_operands, reg_fits_class_p): Always compile these
10226 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
10228 (struct insn_operand_data): Likewise.
10229 * regclass.c (regclass): We always have constraints.
10230 (record_reg_classes, copy_cost, record_address_regs,
10231 auto_inc_dec_reg_p): Always compile these functions.
10232 * regmove.c (regmove_optimize): We always have constraints.
10233 * reload.c (find_reloads): Likewise.
10234 * reload1.c (reload): Likewise.
10235 (reload_cse_simplify_operands): Likewise.
10236 * i860.c (output_delay_insn): Likewise.
10238 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
10240 * iris6.h (BUILD_VA_LIST_TYPE): Define.
10242 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10244 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
10245 for the va_list record.
10247 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
10249 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
10252 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
10254 * alias.c: Include insn-flags.h.
10255 * Makefile.in (alias.o): Update.
10257 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
10259 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
10260 to LTU and GEU. Handle more cases using sbb.
10262 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
10264 * i386.md (truncatexfdf splitters): Do not use subreg.
10265 (fop XFmode patterns): Fix mode in operand testing.
10267 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
10269 * jump.c (jump_optimize_1): Amend last change to test only the
10270 form of the operand, not the insn.
10272 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
10273 not register_operand to determine when B may need preloading.
10275 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
10277 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
10278 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
10279 (call-value patterns): Move to end of file.
10280 (*): Remove mode from label_ref in (pc) context.
10281 (movstrqi): Use memory not general_operand for BLKmode operands.
10282 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
10283 to register_operand operands.
10284 (peep2 patterns): Convert from commented-out peephole patterns.
10286 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10288 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
10289 to BUILT_IN_INIT_DWARF_REG_SIZES.
10290 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
10291 Renamed from BUILT_IN_DWARF_REG_SIZE; call
10292 expand_builtin_init_dwarf_reg_sizes.
10293 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
10294 with __builtin_init_dwarf_reg_size_table.
10295 * dwarf2out.c (struct reg_size_range): Delete.
10296 (expand_builtin_init_dwarf_reg_sizes): New function.
10297 (expand_builtin_dwarf_reg_size): Delete.
10298 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
10299 (expand_builtin_dwarf_reg_size): Don't declare.
10300 * libgcc2.c (dwarf_reg_size_table_initialized): New.
10301 (dwarf_reg_size_table): New.
10302 (init_reg_size_table): New function.
10303 (copy_reg): Use dwarf_reg_size_table.
10304 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
10307 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
10309 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
10310 Correctly build argument list to constructor and destructor functions.
10312 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
10314 * c-tree.h (warn_float_equal): Declare.
10315 * c-decl.c (warn_float_equal): Define.
10316 (c_decode_option): Recognize -W[no-]float-equal.
10317 * c-typeck.c (build_binary_op): Conditionally warn
10318 about equality tests of floating point types.
10319 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
10320 * invoke.texi: Add docs for -Wfloat-equal warning.
10322 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
10324 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
10325 generating RTL directly.
10326 * mips.h (INIT_TARGET_OPTABS): Likewise.
10327 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
10329 * expr.h (init_mov_optab): Delete declaration
10331 * h8300.c (WORD_REG_USED): Update to avoid useless register
10332 saves in interrupt functions and functions which never return.
10334 * cse.c (struct set): Delete inner_dest_loc field.
10335 (cse_insn): Remove assignments to inner_dest_loc field.
10337 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
10339 * ggc-page.c: Don't include <unistd.h> etc taken care of
10340 by "system.h". Include <sys/mman.h> afterward.
10342 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
10344 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
10347 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
10349 * xcoffout.c (xcoffout_declare_function): Add documentation.
10350 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
10351 TARGET_64BIT. Compare constant to -1, not bit pattern.
10352 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
10353 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
10356 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
10358 * dwarf2out.c (add_abstract_origin_attribute): Abort if
10359 origin_die is NULL.
10360 (gen_inlined_enumeration_type_die): Do not abort if the type has
10361 not been writeen out.
10362 (gen_inlined_structure_type_die): Do not abort if the type has
10363 not been writeen out.
10364 (gen_inlined_union_type_die): Do not abort if the type has
10365 not been writeen out.
10366 (gen_tagged_type_instantiation_die): Do not abort if the type
10367 has not been written out.
10369 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10371 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
10373 * reg-stack.c (straighten_stack): Copy hard reg set with
10376 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
10378 * builtins.c (stabilize_va_list): Stabilize array type va_list
10379 to a pointer type, not the base record type.
10380 (expand_builtin_va_copy): Dereference the pointers explicitly;
10381 use the correct size for the copy.
10383 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
10384 (rs6000_va_arg): Likewise.
10386 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
10388 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
10390 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
10392 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
10394 (DECL_BUILT_IN_CLASS): Adjust accordingly.
10396 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
10398 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
10399 (init_ggc): Use it instead of a constant.
10400 (ggc_collect): Bound allocated_last_gc by it.
10402 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
10404 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
10407 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
10409 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
10410 (mips*-*-openbsd*): Let big endian configuration be a fragment.
10411 * configure: Regen.
10412 * config/mips/openbsd.h: New, OpenBSD little endian target.
10413 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
10414 * config/mips/xm-openbsd.h: New, OpenBSD host.
10416 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
10418 * config/m68k/m68k.c (output_function_prologue,
10419 output_function_epilogue): Use
10420 current_function_uses_pic_offset_table instead of regs_ever_live
10421 to decide whether to save/restore pic register.
10422 (legitimize_pic_address): Don't modify regs_ever_live any more.
10424 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
10426 * function.h (struct function): Add x_dont_save_pending_sizes_p.
10427 * stor-layout.c (variable_size): Don't add sizes to the pending
10428 sizes list if x_dont_save_pending_sizes_p is set.
10430 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
10432 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
10433 for symbolic_operand().
10434 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
10436 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10438 * combine.c (gen_rtx_combine): Add missing call to va_end().
10440 * final.c (asm_fprintf): Likewise.
10442 * genattrtab.c (attr_rtx): Likewise.
10444 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
10446 * cse.c: Update comments.
10447 (cse_insn): When converting a conditional/computed jump into
10448 an unconditional jump, always make sure a BARRIER immediately
10449 follows the converted jump. Do not delete unreachable code.
10450 (cse_basic_block): Do not delete unreachable code.
10451 * toplev.c (rest_of_compilation): Move call to
10452 delete_trivially_dead_insns after the conditional call to
10455 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10457 * collect2.c (make_temp_file): Don't prototype.
10459 * gcc.c (make_temp_file): Likewise.
10461 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
10463 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
10465 * varasm.c (asm_emit_uninitialised): New function: Generate
10466 the assembler statements necessary to declare an uninitialised
10468 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
10470 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
10471 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
10473 (assemble_variable): Use asm_emit_uninitialised to emit an
10474 uninitialised variable.
10476 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
10478 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
10479 constant on a 64 bit host. Patch supplied by Geoffrey Keating
10480 <geoffk@cygnus.com>.
10482 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10484 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
10485 * c-common.h (builtin_function): Don't declare.
10487 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
10489 (pushdecl): Likewise.
10490 (finish_decl): Likewise.
10491 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
10492 int. All callers changed.
10493 Set the builtin's DECL_BUILT_IN_CLASS.
10494 * tree.h (enum built_in_class): New.
10495 (enum built_in_function): Delete NOT_BUILT_IN.
10496 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
10498 (DECL_SET_FUNCTION_CODE): Likewise.
10499 (DECL_BUILT_IN_CLASS): New macro.
10500 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
10501 (struct tree_decl): Split builtin function code field into a
10503 (builtin_function): Declare.
10505 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
10507 * optabs.c (init_traps): Fix typo in last change.
10509 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
10511 * toplev.c (rest_of_decl_compilation): Update comment.
10513 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
10515 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
10516 in .sbss if appropriate.
10517 (EXTRA_SECTION_FUNCTIONS): Add sbss.
10518 (SBSS_SECTION_ASM_OP): New macro.
10519 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
10520 (EXTRA_SECTIONS): Add in_sbss.
10521 * config/mips/mips.h: Prototype sbss_section.
10523 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
10525 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
10528 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
10530 * optabs.c (init_traps): Register trap_rtx as a GC root.
10532 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10534 * config/mips/mips.c (function_arg_pass_by_reference): Define
10535 unconditionally, since it's called unconditionally.
10537 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
10539 * toplev.c (documented_lang_options): Add -fshort-wchar.
10540 * c-decl.c (c_decode_option): Likewise.
10541 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
10543 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
10544 * gcc.c (default_compilers): If -fshort-wchar,
10545 override __WCHAR_TYPE__.
10546 * tm.texi (C Dialect Options): Add -fshort-wchar.
10548 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
10549 symbol for a variable.
10551 * cpplib.h (CPP_PREPROCESSED): New macro.
10552 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
10553 we're seeing this input for a second time.
10555 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
10557 * emit-rtl.c (init_emit_once): Initialize modes first.
10559 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
10561 * config/i386/i386.c (pic_label_name): Change to char pointer.
10562 (global_offset_table): New variable.
10563 (load_pic_register): Fill global_offset_table if it hasn't
10564 already been done. Allocate pic_label_name dynamically.
10565 * ggc.h (empty_string): New variable.
10566 * ggc-simple.c (empty_string): Likewise.
10567 (init_ggc): Allocate empty_string and add as root.
10568 * stmt.c (digit_strings): New variable.
10569 (init_stmt): Add last_block_end_note as root. Allocate and
10570 initialize digit_strings.
10571 (expand_asm_operands): Use empty_string instead of string
10572 constant. Use digit_strings instead of string constants.
10573 * profile.c (init_arc_profiler): Allocate string with
10574 ggc_alloc_string instead of xmalloc.
10575 (output_func_start_profiler): Likewise.
10576 * c-typeck.c (digest_init): Check if init is error_mark_node.
10578 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
10579 Richard Henderson <rth@cygnus.com>
10581 * ggc-page.c: New file.
10582 * Makefile.in (ggc-page.o): New.
10584 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
10586 * invoke.texi: Document -fdelete-null-pointer-checks
10587 * toplev.c (flag_delete_null_pointer_checks): New.
10588 (f_options): Add entry for -fdelete-null-pointer-checks.
10589 (rest_of_compilation): Conditionalize null pointer check
10590 elimination on flag_delete_null_pointer_checks.
10591 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
10593 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
10595 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
10596 copyright notice and special exception to GPL.
10598 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10600 * abi64.h (mips_function_value): Add prototype arguments.
10602 * mips-protos.h: New file with mips prototypes.
10604 * mips.c: Include "tm_p.h".
10605 (mktemp, lookup_name): Add prototype arguments.
10606 (extern_list, string_constant, mips_fill_delay_slot,
10607 mips_output_external, mips_output_external_libcall,
10608 mips_output_filename, mips_declare_object, function_prologue,
10609 mips_expand_prologue, function_epilogue, mips16_constant,
10610 build_mips16_function_stub, mips_output_conditional_branch):
10612 (mips_va_start): Remove unused variable `u'.
10613 (mips_va_arg): Cast value to unsigned when comparing against one.
10615 (save_restore_insns, mips_expand_prologue): Add missing arg in
10616 call to `large_int'.
10618 * mips.h: Move prototypes to mips-protos.h.
10619 (data_section, memory_address_p, rdata_section,
10620 readonly_data_section, simple_epilogue_p, text_section): Delete
10621 prototypes delcared elsewhere.
10622 (mips_epilogue_delay_slots, print_options): Delete unused decls.
10624 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
10626 * mips.md: Delete extra args in call to `mips_move_2words'.
10628 * xm-iris6.h (alloca): Add prototype argument.
10630 * genpeep.c: Include "tm_p.h" in generated output file.
10632 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10634 * basic-block.h (find_edge_index): Change parameters.
10635 * flow.c (verify_edge_list): Pass basic_block parameters to
10636 find_edge_index instead of integers.
10638 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
10640 * combine.c (simplify_comparison): Use an unsigned shift to adjust
10643 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
10645 * gcc.1: Fix a formatting error.
10647 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10649 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
10650 i786, mn10200, mn10300, pdp11, v850.
10652 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
10654 * libgcc2.c (num_digits): Add prototype with
10655 __attribute__((const)).
10656 (__terminate): Add prototype.
10658 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
10660 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
10662 * alpha/alpha.c (print_operand): Fix type of `code'.
10663 (alpha_output_filename): Constify.
10664 * alpha/alpha.h: Move all function declarations ...
10665 * alpha/alpha-protos.h: ... here. New file.
10666 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
10667 (SECTION_FUNCTION_TEMPLATE): Likewise.
10669 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10671 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
10672 * expr.c (expand_expr): Likewise.
10673 (do_jump): Likewise.
10674 (do_store_flag): Pass ccp_store_flag to can_compare_p.
10675 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
10677 (enum can_compare_purpose): New.
10678 (can_compare_p): Adjust prototype.
10679 (prepare_cmp_insn, prepare_operand): Declare.
10680 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
10681 * optabs.c (cmp_available_p): Deleted.
10682 (expand_abs): Pass ccp_jump to can_compare_p.
10683 (can_compare_p): New arg PURPOSE. Check for combined optabs.
10684 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
10685 Call can_compare_p rather than cmp_available_p.
10686 (prepare_operand): No longer static.
10687 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
10688 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
10689 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
10690 sequence to use emit_cmp_and_jump_insns.
10691 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
10693 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
10695 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
10696 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
10697 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
10698 (plus (reg) (const_int 0))
10699 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
10701 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
10703 * rs6000.c (expand_block_move): DImode loads and stores require
10704 word-aligned displacements. Increment address registers with
10705 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
10707 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
10709 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
10710 is no name for the base type, rather than segfault. If we are
10711 writing out a complex integer type, use DW_ATE_lo_user.
10713 * expr.c (emit_move_insn_1): If we are copying a complex that fits
10714 in one word or less (complex char, complex short, or on 64 bit
10715 systems complex float) to/from a hard register, copy it through
10716 memory instead of dying in gen_{real,imag}part. If we have a
10717 short complex type, prevent inlining since it allocates stack
10720 * tree.c (build_complex_type): If we are writing dwarf2 output,
10721 generate a name for complex integer types.
10723 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10725 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
10726 * flow.c (remove_edge): Remove extra whitespace.
10727 (remove_fake_edges): Fix comment.
10728 (add_noreturn_fake_exit_edges): Use the correct name.
10730 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
10732 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
10733 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
10734 (clean): Depend on INTL_CLEAN.
10735 (maintainer-clean): Adjust.
10737 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10739 * configure.in (AC_PREREQ): Bump to 2.13.
10740 (AC_C_STRINGIZE): Call this instead of using a custom macro.
10742 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
10744 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
10746 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
10748 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
10749 (HAVE_STRINGIZE): Define.
10751 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
10753 * c-parse.in: save and restore warn_pointer_arith on __extension__
10754 along with pedantic.
10755 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
10756 Set the type of extension to itype rather than $<itype>1 kludge.
10757 * extend.texi (Alternate Keywords): Adjust documentation.
10758 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
10760 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
10762 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
10763 most assembler templates.
10765 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
10766 FP loads and stores.
10767 (following_call): Always return zero for the PA8000.
10768 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
10769 FP loads and stores.
10770 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
10772 * pa.h (BRANCH_COST): Define.
10774 * pa.md (return, return_internal): Use bve for PA2.0.
10776 * pa.md (fused multiply): Add variants which reduce height for the
10777 fused multiply, but which still generate 2 insns.
10778 (fnegabs): Similarly.
10780 * pa.md (subsi3): Turn into an expander. Create two anonymous
10781 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
10782 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
10784 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
10786 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
10788 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
10789 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
10791 * regclass.c (init_regs): Add "top_of_stack" as a garbage
10794 * flow.c (record_active_eh_regions): Terminate loop after finding
10795 the last insn in the last basic block.
10797 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10799 * config/c4x/c4x.md: Delete parallel instruction peepholes.
10801 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10803 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
10805 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10807 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
10808 splitting to not use output template.
10810 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10812 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
10813 * config/c4x/c4x.c (c4x_va_start): New function.
10815 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
10817 * genrecog.c (not_both_true): Handle correctly cases when called for
10818 tests with different positions in the insn.
10820 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10822 * machmode.h (HOST_PTR_PRINTF): Move from here ...
10824 * system.h (HOST_PTR_PRINTF): ... to here.
10826 * mips-tfile.c: Don't include machmode.h.
10828 * Makefile.in (MACHMODE_H): New variable. Update to use it.
10829 (mips-tfile.o): Don't depend on machmode.h.
10831 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10833 * haifa-sched.c (sched_analyze): Rename local variable `region' to
10834 avoid conflicts with typedef struct `region' at the top level scope.
10836 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
10838 * basic-block.h (basic_block): Add eh_beg, eh_end.
10839 * flow.c (entry_exit_blocks): Update.
10840 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
10841 Call new functions.
10842 (find_basic_blocks_1): Don't record eh_list at each bb. Use
10843 lists.c functions to allocate insn lists.
10844 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
10846 (make_eh_edge): ... here. New.
10847 (move_stray_eh_region_notes): New.
10848 (record_active_eh_regions): New.
10849 (delete_unreachable_blocks): Split out block merging ...
10850 (try_merge_blocks): ... here. New.
10851 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
10852 Dump debugging data.
10853 (merge_blocks_move_successor_nojumps): Likewise.
10854 (merge_blocks): Use eh_beg+eh_end to validate block movement.
10856 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10858 * extend.texi (Bound member functions): Document unbound pmf
10861 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10863 * flow.c (split_edge): Handle insertion on a fallthrough edge which
10864 has the EXIT_BLOCK as a dest.
10866 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10868 * flow.c (remove_edge): New function to remove an edge from the
10870 (remove_fake_successors): New function to remove fake successor edges.
10871 (remove_fake_edges): New function to remove all fake edges from the
10873 (add_fake_exit_edges): New function to add fake edges from all blocks
10874 with no successors to the exit block.
10875 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
10876 prototypes for new functions.
10878 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
10880 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
10881 Use Pmode to determine whether to output .dword or .word.
10883 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
10885 * tree.c (built_in_filename): New variable.
10886 (BUILT_IN_FILENAME): New macro.
10887 (init_tree_codes): Allocate built_in_filename.
10888 (make_node): Use built_in_filename instead of string constant.
10890 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
10892 * configure.in: Add fr30 target.
10893 * configure: Regenerate.
10894 * config/fr30: New directory.
10895 * config/fr30/crti.asm: New file.
10896 * config/fr30/fr30.c: New file.
10897 * config/fr30/crtn.asm: New file.
10898 * config/fr30/fr30.h: New file.
10899 * config/fr30/fr30.md: New file.
10900 * config/fr30/lib1funcs.asm: New file.
10901 * config/fr30/t-fr30: New file.
10902 * config/fr30/xm-fr30.h: New file.
10904 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
10906 * flow.c (merge_blocks_move_successor_nojumps): Delete the
10907 BARRIER at the end of the successor, not the BARRIER before
10910 * pa.c (pa_add_gc_roots): Fix thinko in last change.
10912 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
10914 * stmt.c (any_pending_cleanups): Don't crash when
10915 current_function->stmt is unset.
10917 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10919 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
10920 other initializations that may use it for relative offsets.
10922 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10924 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
10925 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
10926 * config/i386/sol2dbg.h: Removed.
10927 * config/i386/sol2gas.h: New file, to enable gas work-around.
10928 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
10929 Don't use sol2dbg.h.
10930 * configure: Rebuilt.
10932 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
10934 * invoke.texi (-fthis-is-variable): Remove documentation.
10936 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
10938 * basic-block.h (compute_bb_for_insn): Declare.
10939 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
10940 to use; set size of basic_block_for_insn directly.
10941 (find_basic_blocks): Update.
10943 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10945 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
10947 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10949 * crtstuff.c (ON_EXIT): Delete empty macro definition.
10950 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
10952 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
10954 * c-decl.c (c_decode_option): Extend comment.
10956 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
10958 * toplev.c (progname): Make 'const char *'
10959 (flag_print_mem): Move out of main.
10960 (version_flag): Move out of main.
10961 (filename): Move out of main.
10962 (debug_args): Remove g prefix from options.
10963 (documented_lang_options): Remove cpplib specific options.
10964 (display_help): Add g prefix to debug options.
10965 (check_lang_option): Delete this function.
10966 (decode_d_option): New function: Decode -d... option.
10967 (decode_f_option): New function: Decode -f... option.
10968 (decode_W_option): New function: Decode -W... option.
10969 (decode_g_option): New function: Decode -g... option.
10970 (independent_decode_option): New function: Decode a language
10971 independent command line option.
10972 (main): Invoke lang_decode_option and then
10973 independent_decode_option on each command line option in
10976 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
10978 Revert this change. Gavin's patch to operand_equal_p is a better fix.
10979 * fold-const.c (fold_range_test): Do not try to fold the range
10980 test if the rhs or lhs has side effects.
10982 * basic-block.h (compute_flow_dominators): Declare.
10984 * gcse.c (alloc_code_hoist_mem): New function.
10985 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
10986 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
10987 (hoist_code, one_code_hoisting_pass): Likewise.
10988 (gcse_main): If optimizing for size, then hoist expressions
10989 computed in multiple dominated basic blocks.
10991 * gcse.c (invalid_nonnull_info): New function.
10992 (delete_null_pointer_checks): Likewise.
10993 * rtl.h (delete_null_pointer_checks): Declare.
10994 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
10996 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
10997 (merge-blocks_move_successor_nojumps): Likewise.
10998 (merge_blocks): Allow merging of some blocks, even if it requires
10999 physical movement of the blocks, but not if it requires new jumps.
11001 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
11002 Callers and prototype changed.
11003 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
11005 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11007 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
11008 -YP when both -p and -pg are present. From i386/sol2.h.
11010 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11012 * Makefile.in (distclean): Delete tm_p.h.
11013 * configure.in: Create a new file, "tm_p.h", from a list in
11014 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
11015 "i386/i386-protos.h".
11017 * alias.c: Include "tm_p.h".
11018 * c-typeck.c: Likewise.
11019 * calls.c: Likewise.
11021 * emit-rtl.c: Likewise.
11022 * explow.c: Likewise.
11023 * expmed.c: Likewise.
11024 * expr.c: Likewise.
11025 * final.c: Likewise.
11026 * flow.c: Likewise.
11027 * fold-const.c: Likewise.
11028 * function.c: Likewise.
11029 * gcse.c: Likewise.
11030 * global.c: Likewise.
11031 * haifa-sched.c: Likewise.
11032 * integrate.c: Likewise.
11033 * jump.c: Likewise.
11034 * local-alloc.c: Likewise.
11035 * loop.c: Likewise.
11036 * optabs.c: Likewise.
11037 * recog.c: Likewise.
11038 * reg-stack.c: Likewise.
11039 * regclass.c: Likewise.
11040 * regmove.c: Likewise.
11041 * reload.c: Likewise.
11042 * reload1.c: Likewise.
11043 * reorg.c: Likewise.
11044 * resource.c: Likewise.
11045 * stmt.c: Likewise.
11046 * stor-layout.c: Likewise.
11047 * toplev.c: Likewise.
11048 * tree.c: Likewise.
11049 * unroll.c: Likewise.
11050 * genattrtab.c (main): Make generated file include "tm_p.h".
11051 * genemit.c (main): Likewise.
11052 * genoutput.c (main): Likewise.
11053 * genrecog.c (main): Likewise.
11055 * i386.h: Delete all prototypes.
11056 * i386.c: Include "tm_p.h".
11057 (ix86_attr_length_default): Call constant_call_address_operand
11058 with correct number of arguments.
11059 * i386-protos.h: New file.
11060 * i386.md (unnamed patterns): Call constant_call_address_operand
11061 with correct number of arguments.
11062 (exception_receiver): Call load_pic_register with correct number
11065 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
11067 * c-pragma.c (mark_align_stack): Dereference the void* properly.
11069 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
11071 * rtl.h (insns_safe_to_move_p): New function.
11072 * loop.c (find_and_verify_loops): Use it.
11073 * rtlanal.c (insns_safe_to_move_p): Define it.
11075 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
11077 * c-pragma.c: Include ggc.h.
11078 * Makefile.in (c-pragma.o): Update.
11080 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11082 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
11083 (LIB_SPEC): Likewise.
11084 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
11085 Reindent -YP/-p/-pg.
11086 Copied from config/sparc/sol2.h.
11088 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
11090 * c-pragma.c (mark_align_stack): New.
11091 (init_pragma): New.
11092 * c-pragma.h (init_pragma): Declare it.
11093 * c-lex.c (init_parse): Call it.
11095 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11097 * configure.in: Pick up thread library on Solaris/x86 just
11098 like on Solaris/sparc.
11099 * configure: Rebuilt.
11101 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
11103 * rtl.h (global_rtx_index): New enum.
11104 (global_rtl): Change to array of rtx.
11105 (pc_rtx, cc0_rtx): Redefine accordingly.
11106 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
11107 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
11108 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
11109 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
11110 (const_int_rtx): Change to array of rtx.
11111 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
11113 * emit-rtl.c (global_rtl): Change to array of rtx.
11114 (const_int_rtx): Change to aray of rtx.
11115 (gen_rtx_CONST_INT): Redefine accordingly.
11116 (init_emit_once): Allocate and initialize global_rtl. Likewise
11117 for const_int_rtx. Add both as GC roots.
11118 * genattrtab.c (global_rtl): Update declaration.
11120 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
11122 * Makefile (USER_H): Add iso646.h back.
11124 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
11126 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
11127 zapping the LOG_LINKS of sched_before_next_call.
11129 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
11130 * pa.c (insn_refs_are_delayed): Renamed from
11131 insn_sets_and_refs_are_delayed.
11133 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
11135 * functiion.h (struct function): Add x_whole_function_mode_p.
11136 (retrofit_block): Declare.
11137 * function.c (retrofit_block): New function.
11138 (identify_blocks): Add assertions. Allow an incomplete set of
11139 block notes if we're still generating code for the function.
11140 * integrate.c: Include loop.h.
11141 (expand_inline_function): Call find_loop_tree_blocks to map block
11142 notes to blocks when in whole-function mode. Use retrofit_block
11143 to insert new BLOCKs for the inlined function, rather than
11145 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
11146 * Makefile.in (integrate.o): Depend on loop.h.
11148 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
11150 * tree.h (warn_about_unused_variables): Declare.
11151 * stmt.c (warn_about_unused_variables): New function, split out
11153 (expand_end_bindings): Here.
11155 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
11157 * stmt.c (preserve_subexpressions_p): Don't crash when
11158 current_function->stmt is unset.
11160 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
11162 * stmt.c (expand_start_bindings): Allow callers to pass a flag
11163 indicating that no NOTE_INSN_BLOCK_BEG note is required.
11164 (expand_start_target_temps): Use it.
11165 * except.c (expand_eh_region_start_for_decl): Likewise.
11166 * expr.c (expand_expr): Likewise.
11168 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
11170 * fold-const.c (operand_equal_p): Pay attention to side effects.
11172 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
11174 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
11175 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
11177 * tlink.c (scan_linker_output): Look for keywords before accepting
11178 a mangled name in quotes.
11180 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
11182 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
11183 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
11185 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
11187 * alpha.md: Revert Thu Nov 26 change that came in through the
11188 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
11189 Avoid earlyclobber when possible.
11191 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11193 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
11195 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
11196 Define HAVE_ON_EXIT.
11198 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11200 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
11201 CTYPE_CONV in all ctype macros.
11203 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
11206 * cexp.y (initialize_random_junk): Likewise.
11208 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
11210 * i370.c (handle_pragma): Likewise.
11212 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
11214 * v850.c (override_options): Likewise.
11216 * doprint.c (_doprnt): Likewise.
11218 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
11221 * fixinc/server.c (load_data): Likewise.
11223 * fold-const.c (real_hex_to_f): Likewise.
11225 * genattr.c (write_upcase, gen_attr): Likewise.
11227 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
11228 write_upcase): Likewise.
11230 * genemit.c (print_code): Likewise.
11232 * genopinit.c (gen_insn): Likewise.
11234 * genpeep.c (print_code): Likewise.
11236 * genrecog.c (print_code): Likewise.
11238 * optabs.c (init_libfuncs): Likewise.
11240 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
11242 * haifa-sched.c (sched_analyze): Keep the list of notes organized
11244 (reemit_notes): Likewise.
11246 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
11248 * ggc.h (ggc_root): Move to ggc-common.c.
11250 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
11251 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
11252 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
11253 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
11254 * ggc-common.c (ggc_root): Move from ggc.h.
11255 (roots): Declare, static.
11256 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
11257 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
11258 null or check/set mark bit.
11259 (ggc_mark_roots): New.
11260 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
11262 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
11264 * m32r.c: Include toplev.h.
11265 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
11266 (gen_compare): Rename swap_p to must_swap to match uses.
11267 Add default abort case.
11268 (m32r_output_function_epilogue): Remove unused variables.
11269 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
11270 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
11271 define to empty parameter list. Update all uses.
11272 (predicate decls): Use enum machine_mode not int.
11273 * m32r.md (movsi): Call abort, not fatal_insn.
11274 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
11276 1999-09-14 Andrew Haley <aph@cygnus.com>
11278 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
11279 use $0 instead of 0.
11281 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11283 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
11284 computation out of loop over hard regs.
11286 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
11288 * function.c (identify_blocks): Don't shadow a variable in an
11290 * integrate.c (integrate_decl_tree): Don't use pushlevel,
11291 pushdecl, or poplevel to build up the new BLOCK tree.
11292 (expand_inline_function): Likewise.
11293 (integrate_parm_decls): Likewise.
11295 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
11297 * c-typeck.c (qualify_type): Merge qualifiers from both types.
11299 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
11301 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
11302 * invoke.texi: Document this change.
11304 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
11306 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
11308 (mark_emit_status): Renamed from mark_emit_state.
11309 * except.c (mark_eh_status): Renamed from mark_eh_state.
11310 Check not null before marking.
11311 (free_eh_status): New.
11312 * expr.c (mark_expr_status, free_expr_status): New.
11313 * function.c (free_machine_status): New.
11314 (free_after_parsing): New.
11315 (free_after_compilation): Move bits to free_after_parsing; call
11316 free_eh_status, free_expr_status; zero the marked members of the
11318 (prepare_function_start): No can_garbage_collect.
11319 Call init_eh_for_function.
11320 (expand_dummy_function_end): Free up current_function state.
11321 (mark_function_status): Renamed from mark_function_state.
11322 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
11323 * function.h (struct function): No can_garbage_collect.
11324 (free_machine_status, free_after_parsing): Declare.
11325 (free_eh_status, free_expr_status): Declare.
11326 * ggc.h (mark_expr_status): Declare.
11327 * stmt.c (free_stmt_status): Free the struct.
11328 (mark_stmt_status): Renamed from mark_stmt_state.
11329 (init_stmt): Don't call init_eh.
11330 (init_stmt_for_function): Don't call init_eh_for_function.
11331 * toplev.c (compile_file): Call init_eh.
11332 (rest_of_compilation): Free basic block info before ggc_collect.
11333 Call free_after_parsing; conditionally call free_after_compilation.
11334 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
11335 Check not null before marking.
11336 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
11338 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
11340 * c-lex.c (yylex): Initialize warn.
11342 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
11344 * pa.c (emit_move_sequence): Properly set the mode of the scratch
11345 register when performing secondary reloads for the SAR register.
11347 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
11349 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
11350 (NOTE_BLOCK): New macro.
11351 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
11352 * function.h (identify_blocks): Change prototype.
11353 * function.c (identify_blocks): Simplify.
11354 (reorder_blocks): Likewise.
11355 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
11356 NOTE_INSN_BLOCK_{BEG,END}.
11357 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
11358 the list of saved notes if the note isn't a
11359 NOTE_INSN_BLOCK_{BEG,END}.
11360 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
11362 (reemit_notes): Adjust recreation of notes to reflect new saved
11364 * print-rtl.c (print_rtx): Print the address of the BLOCK when
11365 printing a block note.
11366 * stmt.c (block_vector): Remove.
11367 (find_loop_tree_blocks): Simplify.
11368 (unroll_block_trees): Likewise.
11369 * tree.h (reorder_block): Change prototype.
11371 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
11373 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
11374 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
11375 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
11376 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
11377 (atexit, exit): Simplify.
11378 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
11379 * config/lots: Remove defns of HAVE_ATEXIT.
11381 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
11383 * calls.c (precompute_arguments): Fix typo in comment.
11384 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
11387 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
11389 * dsp16xx.c (override_options): Fix typos in GC root registration.
11391 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
11393 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
11394 from config/svr4.h.
11395 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
11396 (FUNCTION_PROFILER): Redefine appropriately for Linux.
11397 (CC1_SPEC): Likewise.
11399 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11401 * genattr.c (main): Add extern prototype. Call return, not exit.
11402 * genattrtab.c (main): Likewise.
11403 * gencheck.c (main): Likewise.
11404 * gencodes.c (main): Likewise.
11405 * genconfig.c (main): Likewise.
11406 * genemit.c (main): Likewise.
11407 * genextract.c (main): Likewise.
11408 * genflags.c (main): Likewise.
11409 * gengenrtl.c (main): Likewise.
11410 * genopinit.c (main): Likewise.
11411 * genoutput.c (main): Likewise.
11412 * genpeep.c (main): Likewise.
11413 * genrecog.c (main): Likewise.
11415 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
11416 * genattrtab.c (get_insn_name): Likewise.
11417 * gencodes.c (get_insn_name): Likewise.
11418 * genconfig.c (get_insn_name): Likewise.
11419 * genemit.c (get_insn_name): Likewise.
11420 * genextract.c (get_insn_name): Likewise.
11421 * genflags.c (get_insn_name): Likewise.
11422 * genopinit.c (get_insn_name): Likewise.
11423 * genpeep.c (get_insn_name): Likewise.
11425 * gencheck.c (usage): Add static prototype.
11426 * genextract.c (print_path): Constify a char*.
11427 * genopinit.c (optabs): Likewise.
11428 * genoutput.c (operand_data, data, output_predicate_decls,
11429 compare_operands): Likewise.
11430 * genrecog.c (write_tree): Add default case in switch.
11432 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11434 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
11436 * print-rtl.c (get_insn_name): Remove prototype.
11438 * toplev.h (progname): Declare const.
11440 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
11441 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
11442 dump_sched_info, dump_local_alloc, regset_release_memory,
11443 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
11444 error_with_file_and_line, error_with_decl, error_for_asm, error,
11445 fatal, warning_with_file_and_line, warning_with_decl, warning,
11446 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
11447 Remove redundant prototypes.
11449 (notice, check_lang_option, report_file_and_line, vnotice,
11450 mark_file_stack): Add static prototype.
11451 (set_fatal_function): Add prototype.
11452 (vnotice, report_file_and_line, set_fatal_function,
11453 check_lang_option): Constify a char*.
11454 (main): Prototype. Call return, not exit.
11456 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11458 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
11460 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
11462 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
11464 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
11466 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11468 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
11469 behave as if it's zero in all cases.
11470 (expand_function_start): Adjust call to assign_parms.
11471 * tree.h (assign_parms): Adjust prototype.
11472 * objc/objc-act.c (hack_method_prototype): Adjust call to
11475 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
11477 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
11478 arg_pointer_rtx fixed if the argument pointer register is
11480 (NONZERO_BASE_PLUS_P): Likewise.
11482 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
11484 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
11485 match_insn2 to match_insn.
11486 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
11488 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
11490 * Makefile.in (USER_H): Remove va-foo.h.
11492 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
11493 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
11494 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
11495 va-spur.h,va-v850.h}: Remove.
11497 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
11499 * sparc/sparc.md (eligible_for_return_delay): New attribute.
11500 (in_return_delay): Use it instead of match_insn.
11502 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11504 * config/alpha/va_list.h (va-alpha.h): Do not include.
11505 (__gnuc_va_list): Typedef as in varargs.h.
11507 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
11509 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
11510 DECL_LIVE_RANGE_RTL.
11512 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
11514 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
11515 not NOTE_BLOCK_NUMBER.
11516 (expand_eh_region_end): Likewise.
11517 (find_exception_handler_labels): Likewise.
11518 (scan_region): Likewise.
11519 (exception_optimize): Likewise.
11520 (update_rethrow_references): Likewise.
11521 (set_insn_eh_region): Likewise.
11522 * final.c (final_scan_insn): Likewise.
11523 * flow.c (make_edges): Likewise.
11524 * integrate.c (expand_inline_function): Likewise.
11525 * print-rtl.c (print_rtx): Likewise.
11527 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
11529 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
11530 terms of builtin functions and types.
11532 * mips.c (mips_build_va_list): New.
11533 (mips_va_start, mips_va_arg): New.
11534 * mips.h (BUILD_VA_LIST_TYPE): New.
11535 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11537 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
11538 (sh_build_va_list, sh_va_start, sh_va_arg): New.
11539 * sh.h (BUILD_VA_LIST_TYPE): New.
11540 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
11542 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
11544 * recog.h (struct recog_data): Make dup_num, operand_address_p,
11545 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
11546 (struct insn_data): Likewise with n_operands, n_dups,
11547 n_alternatives, output_format.
11548 * regclass.c (scan_one_insn): Cast n_operands to int before
11549 arithmetic inside comparison.
11551 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
11553 * toplev.c (compile_function): Unconditionally emit nop.
11555 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11557 * haifa-sched.c (actual_hazard): Move declaration of variable
11558 `this_cost' into the scope where it is used.
11560 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11562 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
11563 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
11564 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
11566 * genrecog.c (make_insn_sequence): Call memset, not bzero.
11568 * jump.c (find_insert_position): Don't declare or define unless
11569 !HAVE_conditional_arithmetic.
11570 (returnjump_p_1, delete_prior_computation): Add static prototypes.
11572 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
11574 * recog.c (offsettable_address_p): Prototype function pointer.
11575 (preprocess_constraints): Call memset, not bzero.
11577 * tree.c (tree_node_kind_names): Constify a char*. Make static.
11578 (gcc_obstack_init): Don't declare.
11579 (fix_sizetype): Add static prototype.
11580 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
11581 (tree_cons): Call memset, not bzero.
11583 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
11584 definition in macro ASM_WEAKEN_LABEL.
11585 (mark_const_hash_entry): Add static prototype.
11587 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11589 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
11591 * unroll.c (find_common_reg_term, subtract_reg_term,
11592 loop_find_equiv_value): Add static prototypes.
11593 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
11594 (copy_loop_body): Remove unreachable break statement.
11596 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
11598 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
11600 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11602 Undo some changes from the gcc2 merge:
11603 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
11604 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
11608 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
11609 * emit-rtl.c (gen_lowpart_common): Disable optimization of
11610 initialized float-int union if the value is a NaN.
11612 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
11614 * gthr-win32.h: New file.
11616 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
11617 shared as a valid attribute.
11618 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
11619 * extend.texi: Document `shared' variable attribute.
11621 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
11623 * configure.in: Handle --enable-threads on FreeBSD.
11624 * configure: Rebuit.
11626 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
11628 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
11630 * configure: Rebuilt.
11632 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
11633 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
11634 Rosimildo DaSilva <rdasilva@connecttel.com>
11636 * configure.in (m68k-*-rtemscoff*): Added.
11637 * configure.in (mips64orion-*-rtems*): Converted to ELF.
11638 * configure.in (sparc-*-rtemsaout*): Added as alias for old
11639 sparc-rtems configuration.
11640 * configure.in (sparc-*-rtemself*): Added.
11641 * configure.in (sparc-*-rtems*): Now ELF not a.out.
11642 * config/i386/rtems.h: Added comment.
11643 * config/sparc/rtemself.h: New file.
11645 * configure.in (m68k-rtemself): Added.
11646 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
11647 and DWARF_DEBUGGING_INFO.
11648 * config/m68k/crti.s: New file.
11649 * config/m68k/crtn.s: New file.
11650 * config/m68k/t-crtstuff: New file.
11651 * config/m68k/rtemself.h: New file.
11653 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
11654 global ctor/dtor and C++ exception handling.
11655 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
11656 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
11658 * config/i386/t-rtems-i386: New File.
11660 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
11662 * stmt.c (expand_end_case): Return right away if the case stack is
11665 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
11667 * Makefile.in (version.c): Remove rule incorrectly brought in from
11670 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
11672 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
11673 * msdos/top.sed: Take into account a prepended $(SHELL) to
11675 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
11677 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
11679 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11681 * regmove.c (fixup_match_1): Don't change an unchanging register.
11682 (stable_but_for_p): Renamed to:
11683 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
11684 Changed all callers.
11686 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
11688 * loop.c (strength_reduce): Don't call reg_used_between_p if the
11689 insn from BL2 is after the insn from BL.
11691 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
11693 * recog.h (INSN_OUTPUT_FORMAT_*): New.
11694 (struct insn_data): Merge `template' and `outfun' into `output'.
11695 Add `output_format'.
11696 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
11697 (struct data): Remove `outfun'; add `output_format'.
11698 (name_for_index): Remove declaration.
11699 (output_insn_data): Handle output formats.
11700 (process_template): Emit the bare array for @.
11701 (gen_expand, gen_split): Set output_format to NONE.
11702 * output.h (get_insn_template): Declare.
11703 * final.c (get_insn_template): New.
11704 (final_scan_insn): Use it.
11705 * toplev.c (compile_file): Likewise.
11707 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11708 * i860/i860.c (output_delayed_branch): Likewise.
11709 (output_delay_insn): Likewise.
11711 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11713 * rtl.c (obstack_alloc_rtx): Removed.
11715 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
11717 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
11719 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
11721 * i386.c (call_insn_operand): Reject const_int.
11722 (expander_call_insn_operand): Use call_insn_operand.
11724 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11726 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
11728 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
11730 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
11731 Use DImode operation.
11733 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
11735 * gcc.c: Include sys/resource.h.
11736 (report_times): New flag.
11737 (execute): If report_times is set, calculate and report the
11738 CPU time consumed by each subprocess.
11740 (rus, prus): New globals.
11741 (option_map): Add --time.
11742 (display_help): Document -time.
11743 (process_command): Set report_times if -time is given.
11744 Turn off -pipe if -time is given.
11746 * invoke.texi: Document new option -time.
11748 * configure.in: Check for getrusage. Check if we have to
11749 prototype getrusage.
11750 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
11751 * configure: Regenerate.
11752 * config.in: Regenerate.
11754 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
11756 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
11759 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
11761 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
11762 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
11763 (nan): Return _thenan_sf or _thenan_df as appropriate.
11764 (L_thenan_sf): Define _thenan_sf.
11765 (L_thenan_df): Define _thenan_df.
11767 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
11768 (DPBIT_FUNCS): Add _thenan_df.
11770 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
11772 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
11775 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11777 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
11780 (lang_specific_driver): Don't take a function pointer parameter.
11781 All callers changed.
11783 * gcc.c: Include gcc.h.
11784 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
11785 lang_specific_extra_outfiles, fatal): Don't declare.
11786 (multilib_defaults_raw): Constify.
11787 (read_specs): Call memset, rather than bzero.
11788 (main): Call return, not exit.
11789 (lookup_compiler): Call memcpy, not bcopy.
11790 (fatal): Make extern.
11792 * cppspec.c: Include gcc.h.
11793 (lang_specific_driver): Initialize variable `quote'. Constify a
11794 char*. All calls to the function pointer parameter now
11795 explicitly call `fatal'.
11797 * gccspec.c (lang_specific_driver): Include gcc.h.
11799 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
11801 * arm.c (note_invalid_constants): Use recog_data.operand_type
11804 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11806 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
11809 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
11810 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11811 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11812 reload_secondary_in_reload, reload_secondary_out_reload,
11813 reload_secondary_in_icode, reload_secondary_out_icode,
11814 reload_reg_rtx, reload_when_needed): Delete declarations.
11815 (struct reload): New structure.
11816 (rld): Declare new array.
11817 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
11818 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
11819 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
11820 reload_secondary_in_reload, reload_secondary_out_reload,
11821 reload_secondary_in_icode, reload_secondary_out_icode,
11822 reload_reg_rtx, reload_when_needed): Delete definitions.
11824 (whole file): Replace uses of the deleted arrays with uses of rld.
11825 * reload1.c (whole file): Replace uses of the deleted arrays with
11827 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
11828 explicit loops, not with bcopy.
11830 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
11832 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
11833 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
11834 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
11835 insn_name): Delete and consolidate into new structures.
11836 (insn_operand_predicate_fn): New.
11837 (insn_output_fn): New.
11838 (insn_gen_fn): New.
11839 (struct insn_operand_data): New.
11840 (struct insn_data): New.
11842 (OUT_FCN): Update for insn_data change.
11843 * builtins.c (expand_builtin_strlen): Likewise.
11844 (expand_builtin_memcmp): Likewise.
11845 * combine.c (make_extraction, simplify_comparison): Likewise.
11846 * cse.c (canon_reg, cse_insn): Likewise.
11847 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
11848 * expmed.c (store_bit_field, extract_bit_field): Likewise.
11849 (emit_store_flag): Likewise.
11850 * expr.c (convert_move, emit_block_move): Likewise.
11851 (clear_storage, emit_push_insn, expand_increment): Likewise.
11852 (do_store_flag): Likewise.
11853 * expr.h (GEN_FCN): Likewise.
11854 (insn_gen_function): Die.
11855 * final.c (final_scan_insn): Update for insn_data change.
11856 (output_asm_name): Likewise.
11857 * function.c (fixup_var_refs_1): Likewise.
11858 * loop.c (check_dbra_loop): Likewise.
11859 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
11860 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
11861 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
11862 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
11863 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
11864 * regmove.c (gen_add3_insn): Likewise.
11865 * reload.c (push_secondary_reload, combine_reloads): Likewise.
11866 (find_reloads, find_reloads_address_1): Likewise.
11867 (debug_reload_to_stream): Likewise.
11868 * reload1.c (emit_reload_insns, gen_reload): Likewise.
11869 * stmt.c (expand_end_case): Likewise.
11870 * toplev.c (compile_file): Likewise.
11872 * c4x/c4x.c (c4x_process_after_reload): Likewise.
11873 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11875 * print-rtl.c (insn_name_ptr): Remove declaration.
11876 (get_insn_name): Declare.
11877 (print_rtx): Use it.
11878 * genoutput.c (insn_name_ptr): Remove.
11879 (next_operand_number): New.
11880 (struct operand_data): New.
11881 (null_operand, odata, odata_end): New.
11882 (struct data): Use struct operand_data.
11883 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
11884 (get_insn_name): Renamed from name_for_index.
11885 (output_prologue): Define NO_MD_PROTOTYPES.
11886 (output_predicate_decls): Break out from output_epilogue.
11887 Iterate over the operands list.
11888 (output_operand_data): Break out from output_epilogue. Emit
11889 just the operands list.
11890 (output_insn_data): Break out from output_epilogue. Emit just
11892 (output_epilogue): Remove.
11893 (output_get_insn_name): New.
11894 (constraints, op_n_alternatives, predicates, address_p): Die.
11895 (modes, strict_low, seen): Die.
11896 (scan_operands): Take new param `d' instead of writing to
11897 seven global variables.
11898 (compare_operands): New.
11899 (place_operands): New.
11900 (validate_insn_alternatives): Update for struct data change.
11901 (gen_insn): Don't zero or copy 7 global arrays. Update for
11902 scan_operands; call place_operands.
11903 (gen_peephole, gen_expand, gen_split): Likewise.
11904 (main): Update for new output routines.
11906 * genattr.c (insn_name_ptr): Remove.
11907 (get_insn_name): New function.
11908 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
11909 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
11910 * genrecog.c: Likewise.
11912 * alpha.md (adddi3): Make `pattern' array static.
11914 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11916 * config/c4x/c4x.h (c4x_rpts_cycles_string,
11917 c4x_cpu_version_string): Constify char *.
11918 * config/c4x/c4x.c (c4x_rpts_cycles_string,
11919 c4x_cpu_version_string): Likewise.
11921 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
11923 * tree.c (save_tree_status): Revert 10 Sep change.
11924 (restore_tree_status): Likewise. Call obstack_free with NULL
11925 before freeing the obstack proper.
11927 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
11929 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
11931 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
11932 surrounding context.
11934 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
11936 * tree.c (type_hash_canon): Put all types in the hash-table, when
11939 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
11941 * recog.h (struct recog_data, recog_data): New.
11942 (recog_foo variables): Kill.
11943 * recog.c (recog_operand, recog_operand_loc): Kill.
11944 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
11945 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
11946 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
11947 (recog_data): Define.
11948 (extract_insn): Update all recog_foo references to use recog_data.
11949 (preprocess_constraints, constrain_operands): Likewise.
11950 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
11951 * genattrtab.c (main): Likewise.
11952 * genextract.c (main): Likewise.
11953 * genoutput.c: Likewise.
11954 * genrecog.c (write_subroutine, main): Likewise.
11955 * local-alloc.c (block_alloc): Likewise.
11956 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
11957 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
11958 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
11959 * reload.c (find_reloads, find_reloads_toplev): Likewise.
11960 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
11961 (reload_cse_simplify_operands): Likewise.
11963 * arc/arc.c (arc_final_prescan_insn): Likewise.
11964 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
11965 * h8300/h8300.c (notice_update_cc): Likewise.
11966 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
11967 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
11968 * mn10200/mn10200.c (notice_update_cc): Likewise.
11969 * mn10300/mn10300.c (notice_update_cc): Likewise.
11970 * romp/romp.c (update_cc): Likewise.
11971 * sparc/sparc.c (check_pic): Likewise.
11972 * v850/v850.c (notice_update_cc): Likewise.
11974 * genemit.c (main): Don't declare recog_operand.
11976 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
11978 * ggc.h (rtvec_def): Forward declare.
11979 (tree_node): Likewise.
11980 (ggc_root): Define.
11982 (ggc_set_mark_rtx): Add prototype.
11983 (ggc_set_mark_rtvec): Likewise.
11984 (ggc_set_mark_tree): Likewise.
11985 * ggc-simple.c (ggc_root): Don't define.
11986 (roots): Don't declare.
11987 (ggc_mark_rtx): Remove.
11988 (ggc_mark_rtvec): Likewise.
11989 (ggc_mark_tree): Likewise.
11990 (ggc_mark_varray): Likewise.
11991 (ggc_mark_tree_hash_table_entry): Likewise.
11992 (ggc_mark_tree_hash_table): Likewise.
11993 (ggc_set_mart_rtx): New function.
11994 (ggc_set_mark_rtvec): Likewise.
11995 (ggc_set_mark_tree): Likewise.
11996 (ggc_add_root): Remove.
11997 (ggc_add_rtx_root): Likewise.
11998 (ggc_remove_tree_root): Likewise.
11999 (ggc_add_string_root): Likewise.
12000 (ggc_add_tree_varray_root): Likewise.
12001 (ggc_add_tree_hash_table_root): Likewise.
12002 (ggc_del_root): Likewise.
12003 (ggc_mark_rtx_ptr): Likewise.
12004 (ggc_mark_tree_ptr): Likewise.
12005 (ggc_mark_string_ptr): Likewise.
12006 (ggc_mark_tree_varray_ptr): Likewise.
12007 (ggc_mark_tree_hash_table_ptr): Likewise.
12008 * ggc-common.c: New file.
12009 * Makefile.in (OBJS): Add ggc-common.o.
12010 (ggc-common.o): List dependencies.
12012 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
12014 * cppalloc.c (xstrdup): Use memcpy.
12015 * cpperror.c (cpp_print_containing_files): Don't use
12017 * cpplib.c (conditional_skip): Set temp->lineno.
12018 (do_endif): Make error message less obscure.
12019 (if_directive_name): New function.
12020 (cpp_get_token [case EOF]): Unwind the if stack and generate
12021 error messages for each unterminated conditional in this file.
12022 (parse_string): Do not behave differently if -traditional.
12024 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
12026 * builtins.c (expand_builtin_va_arg): Cope with an array-type
12027 va_list decomposing to pointer-type.
12028 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
12029 (rs6000_va_arg): Likewise.
12031 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
12033 * except.c (start_dynamic_handler): Compute size using
12034 STACK_SAVEAREA_MODE.
12036 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12038 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
12039 include directory headers. Don't define strrchr. Don't provide
12040 my_* replacement functions. Prefer PTR over `pointer_type'.
12041 Don't prototype system functions. Don't redefine getopt.
12043 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
12044 safe_read, safe_write, save_pointers, restore_pointers,
12045 is_id_char, in_system_include_dir, directory_specified_p,
12046 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
12047 find_corresponding_lparen, referenced_file_is_newer,
12048 save_def_or_dec, munge_compile_params, gen_aux_info_file,
12049 process_aux_info_file, identify_lineno, check_source,
12050 seek_to_line, forward_to_next_token_char, output_bytes,
12051 output_string, output_up_to, other_variable_style_function,
12052 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
12053 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
12054 find_static_definition, connect_defs_and_decs, add_local_decl,
12055 add_global_decls, needs_to_be_converted, visit_each_hash_node,
12056 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
12057 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
12058 scan_for_missed_items, edit_file, string_list_cons): Add static
12060 (standard_exec_prefix, target_machine, target_version,
12061 default_syscalls_dir, string_list, string_list_cons, find_file,
12062 do_cleaning): Constify a char*.
12063 (safe_read, safe_write): Use PTR, not a char*.
12064 (is_id_char): Take an int, not a char.
12065 (main): Add prototype. Call return, not exit.
12067 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
12069 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
12070 when comparing types.
12072 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
12074 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
12075 (strength_reduce): Release the varrays from the no-bivs early exit.
12077 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
12078 the loop over the registers.
12080 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
12082 (restore_tree_status): Check that instead when freeing the obstack.
12084 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
12086 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
12089 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12091 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
12092 operand size modifiers.
12094 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12096 * c-common.c (c_common_nodes_and_builtins): Don't build
12098 * c-common.h (enum c_tree_index and related accesor macros): Remove
12099 everything now declared in tree.h.
12100 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12101 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
12102 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
12103 (error_mark_node, void_type_node, char_type_node, integer_type_node,
12104 unsigned_type_node, ptr_type_node, va_list_type_node,
12105 integer_zero_node, null_pointer_node, integer_one_node): Delete.
12106 (init_decl_processing): Call build_common_tree_nodes and
12107 build_common_tree_nodes_2 instead of building their nodes here.
12108 Don't add roots for these nodes.
12109 * stor-layout.c (size_zero_node, size_one_node): Delete.
12110 (set_sizetype): Make a new node for bitsizetype each time.
12111 * tree.c (global_trees): New variable.
12112 (init_obstacks): Add a gc root for it.
12113 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
12114 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
12115 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
12116 (build_common_tree_nodes): New function.
12117 (fix_sizetype): New function.
12118 (build_common_tree_nodes_2): New function.
12119 * tree.h (enum tree_index): New.
12120 (global_trees): Declare.
12121 Add accessor macros for all nodes now moved to global_trees.
12122 Delete their declarations.
12124 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
12126 * c-decl.c (finish_function): When processing a nested function,
12127 push and pop GC context around rest_of_compilation.
12129 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
12131 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
12132 Default ix86_arch to PROCESSOR_I386.
12133 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
12134 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
12135 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
12136 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
12137 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
12138 (EXTRA_SPECS): Remove deleted specs.
12140 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
12142 * function.c (assign_stack_local_1): Allocate from
12143 function->x_frame_offset, not frame_offset.
12145 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
12147 * ggc.h (lang_cleanup_tree): Remove.
12148 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
12149 * ggc-callbacks.c (lang_cleanup_tree): Remove.
12151 * c-decl.c (finish_struct): Use ggc_alloc to allocate
12152 TYPE_LANG_SPECIFIC when garbage collecting.
12153 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
12154 (lang_cleanup_tree): Remove.
12156 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12158 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
12159 * crtstuff.c: Not here.
12160 * dwarf2out.c: Or here.
12161 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
12164 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
12166 * function.h (free_after_compilation): Remove decl parameter.
12167 (free_varasm_status0: Likewise.
12168 (free_emit_status): Likewise.
12169 (free_stmt_status): Likewise.
12170 (free_after_compilation): Likewise.
12171 (init_lang_status): New variable.
12172 (free_lang_status): Likewise.
12173 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
12174 * function.c (init_lang_status): New variable.
12175 (free_lang_status): Likewise.
12176 (push_function_context_to): Don't set function::decl here.
12177 (free_after_copmilation): Make decl parameter implicit. Call
12178 free_lang_status if defined.
12179 (prepare_function_start): Call init_lang_status if defined.
12180 (init_function_start): Set function::decl here.
12181 * profile.c (output_func_start_profiler): Don't call pushdecl
12182 until we've actually started the function.
12183 * stmt.c (free_stmt_status): Make decl parameter implicit.
12184 * toplev.c (rest_of_compilation): Don't pass decl to
12185 free_after_compilation.
12186 * varasm.c (free_varasm_status): Likewise.
12188 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12190 * except.c (call_get_eh_context): Add root when allocating static
12193 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
12195 * arm.c: Include "ggc.h".
12196 (arm_add_gc_roots): New function.
12197 (arm_override_options): Call it.
12198 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
12200 * arm.md (define_asm_attributes): Add a pool_range attribute.
12202 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
12204 * extend.texi (Volatiles): New node.
12206 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
12208 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
12209 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
12210 (struct ggc_any): Replace `mark' with `magic_mark'.
12211 (ggc_alloc_string): Use memcpy, not bcopy.
12212 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
12213 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
12214 (ggc_free_any): New.
12215 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
12216 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
12217 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
12218 Use IS_MARKED. Use ggc_free_any.
12220 1999-09-09 Scott Bambrough <scottb@netwinder.org>
12222 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
12224 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
12226 * toplev.c (main): Always init_ggc.
12228 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
12230 * except.c (find_all_handler_type_matches): Free the list if
12231 we found no matches.
12233 * combine.c (SUBST): Break out to a real function do_SUBST.
12234 (SUBST_INT): Likewise.
12235 * gcse.c (free_pre_mem): Free `temp_bitmap'.
12236 (pre_insert): Free `inserted'.
12237 * loop.c (basic_induction_var): Always set `location'.
12239 * function.c (expand_function_end): Add initial_trampoline as a root.
12240 * rtl.h (init_varasm_once): Declare.
12241 * toplev.c (compile_file): Call it.
12242 * ggc-simple.c (ggc_mark_string_ptr): New.
12243 (ggc_add_string_root): New.
12244 (ggc_collect): Disable collection avoidance temporarily.
12245 * ggc.h (ggc_add_string_root): Declare.
12246 * except.c (create_rethrow_ref): Use ggc_alloc_string.
12247 * optabs.c (init_libfuncs): Likewise.
12248 * varasm.c (named_section): Use ggc_alloc_string.
12249 (make_function_rtl): Likewise.
12250 (make_decl_rtl): Likewise.
12251 (assemble_static_space): Likewise.
12252 (assemble_trampoline_template): Likewise.
12253 (output_constant_def): Likewise.
12254 (force_const_mem): Likewise.
12255 (mark_const_hash_entry): New.
12256 (mark_pool_sym_hash_table): New.
12257 (mark_varasm_state): Use it.
12258 (init_varasm_once): New.
12260 * expr.h (init_one_libfunc): Declare.
12261 * optabs.c (init_one_libfunc): New.
12262 (init_optabs): Use it.
12263 * config/gofast.h: Likewise.
12264 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
12265 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
12267 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12269 * Makefile.in (cppexp.o): Depend on cpphash.h.
12270 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
12272 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
12273 * cpplib.c (do_define): Generalise to handle poisoned definitions,
12274 redefining poisoned identifiers, etc.
12275 (do_undef): Don't allow poisoned identifiers to be undefined.
12276 (do_pragma): Add #pragma poison.
12277 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12279 * cccp.c: Add T_POISON node type.
12280 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
12282 (do_define): Generalise to handle poisoned definitions,
12283 redefining poisoned identifiers, etc.
12284 (do_undef): Don't allow poisoned identifiers to be undefined.
12285 (do_pragma): Add #pragma poison.
12286 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
12288 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
12289 * c-pragma.h: Add ps_poison state. We now always have generic
12292 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
12294 * ggc.h (ggc_alloc): New function.
12295 (ggc_mark): Likewise.
12296 * ggc-simple.c (ggc_any): New structure.
12297 (ggc_status): Add anys.
12298 (n_anys_collected): New variable.
12299 (ggc_alloc): Define.
12300 (ggc_mark): Likewise.
12301 (ggc_collect): Collect the anys.
12303 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12305 * c-decl.c (mark_binding_level): Make static to match prototype.
12307 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
12309 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
12311 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
12313 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
12314 will use into account. Expand the max width to 5.
12317 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
12319 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
12320 for the rtx length.
12322 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
12324 * alpha.md (call value patterns): Remove the result predicates.
12326 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
12328 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
12331 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12333 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
12334 changed from extern char *, to extern PTR. Also fix typo in
12335 NEED_DECLARATION_REALLOC test.
12337 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
12339 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12341 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
12342 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
12343 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
12344 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
12346 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
12348 * cccp.c (pcfinclude): Likewise.
12350 * global.c (allocno_compare): Likewise.
12352 * haifa-sched.c (rank_for_schedule): Likewise.
12354 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
12356 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
12358 * stupid.c (stupid_reg_compare): Likewise.
12360 * tree.c (_obstack_allocated_p): Likewise.
12362 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
12364 1999-09-08 Bruce Korb autogen@linuxbox.com
12366 * gcc/ch/Makefile.in: Give the hapless gperf user a hint about
12367 why "gperf -F" fails.
12368 * gcc/cp/Makefile.in: ditto
12369 * gcc/Makefile.in: ditto
12370 * gcc/java/Makefile.in: ditto
12372 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
12374 * lists.c: Include ggc.h.
12376 (init_EXPR_INSN_LIST_cache): Install it.
12378 * ggc-simple.c (init_ggc): Absorb the old init.
12379 (ggc_push_context): Use xcalloc.
12380 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
12381 (ggc_collect): Add [rvts] tags to the collection stats.
12383 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
12385 * cccp.c (main): Fix handling of -include and -imacros options.
12387 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
12389 * cpplib.c (cpp_push_buffer): Fix order of arguments.
12391 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12393 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
12396 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
12398 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
12399 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
12400 and SET_DEST. Update comment.
12402 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12404 * config/c4x/c4x.c: Include ggc.h.
12405 (c4x_add_gc_roots): New function.
12406 (c4x_override_options): Call c4x_add_gc_roots.
12408 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
12410 * defaults.h (TARGET_ESC): Move ...
12411 * system.h: ... here, where Linas had it in the first place. Silly me.
12413 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
12415 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
12416 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
12417 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
12418 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
12419 * defaults.h (TARGET_ESC): Add default.
12421 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
12423 * configure.in: add i370-*-openedition, i370-*-mvs and
12424 i370-*-linux targets
12426 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
12428 * dsp16xxx.c: Include ggc.h
12429 (override_options): Mark GC roots.
12430 * mn10200.c: Include ggc.h.
12431 (asm_file_start): Mark GC roots.
12432 * tahoe.c: Include ggc.h.
12433 (extensible_operand): Mark GC roots.
12435 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
12437 * README: Add section discussing status of ELF ABI.
12438 * i370.c: Fix misc spelling mistakes.
12439 (i370_label_scan): Updated notes, exception handling.
12440 (i370_function_prolog): Simplify ELF stack handling.
12441 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
12442 (STACK_GROWS_DOWNWARD): ELF stack grows down.
12443 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
12444 * i370.md: (movdi): Add notes.
12445 (floatsidf2): Use stack not rtca for scratch float area.
12446 (iorsi3): Correct operand constraints.
12447 * x-oe: Restore TAROUTOPTS which are used by pax.
12449 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
12451 * rs6000.c: Include ggc.h.
12452 (rs6000_add_gc_roots): New function.
12453 (override_options): Call it.
12455 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
12457 * alpha.h (alpha_compare): New.
12458 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
12459 * alpha.c: Likewise for the definitions.
12460 (alpha_emit_conditional_branch): Update for alpha_compare.
12461 (alpha_emit_conditional_move): Likewise.
12462 * alpha.md (cmpdf, cmpdi): Likewise.
12463 (setcc patterns): Likewise. Zero alpha_compare after use.
12464 (sne): Optimize (x != 0) into (0U < x).
12466 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
12468 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
12469 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
12470 (INIT_EXPANDERS): Remove.
12471 * alpha.c: Include ggc.h.
12472 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
12473 (alpha_init_machine_status, alpha_mark_machine_status): New.
12474 (override_options): Install them.
12475 (struct machine_function): Moved to alpha.h.
12476 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
12477 (alpha_init_expanders): Remove.
12478 (alpha_return_addr): Adjust to use current_function->machine.
12479 (alpha_ra_ever_killed): Likewise.
12480 (alpha_expand_epilogue): Likewise.
12481 * alpha.md (eh_epilogue): Likewise.
12483 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
12484 Melissa O'Neill <oneill@cs.sfu.ca>
12485 Geoffrey Keating <geoffk@cygnus.com>
12487 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
12488 call-used registers (call-saved registers must still be contiguous
12489 and end with r31, of course).
12491 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
12493 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
12494 (self_promoting_type_p): Delete.
12495 (self_promoting_args_p): Move ...
12496 * c-common.c: ... here.
12497 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
12498 (simple_type_promotes_to): New.
12499 * builtins.c (lang_type_promotes_to): New.
12500 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
12501 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
12502 * c-common.h: ... here.
12503 (self_promoting_args_p, simple_type_promotes_to): Declare.
12504 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
12505 (grokdeclarator): Likewise.
12506 * tree.h (lang_type_promotes_to): Declare.
12508 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
12510 Add some machine-dependent GC roots.
12511 * sparc.c: Include ggc.h.
12512 (sparc_add_gc_roots): New function.
12513 (mark_ultrasparc_pipeline_state): Likewise.
12514 (override_options): Call sparc_add_gc_roots.
12515 * pa.c: Include ggc.h.
12516 (pa_add_gc_roots): New function.
12517 (mark_deferred_plabels): Likewise.
12518 (override_options): Call pa_add_gc_roots.
12519 * mips.c: Include ggc.h.
12520 (mips_add_gc_roots): New function.
12521 (override_options): Use it.
12523 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * cpperror.c (cpp_file_line_for_message): Constify a char*.
12527 * cppexp.c (parse_number, parse_charconst, cpp_lex,
12528 cpp_parse_expr): Add static prototypes.
12529 (parse_charconst): Don't cast away const-ness.
12530 (token): Constify a char*.
12532 * cppfiles.c (file_name_list, include_hash, find_include_file,
12533 finclude, initialize_input_buffer): Constify a char*.
12534 (file_cleanup, find_position): Add static prototypes.
12536 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
12537 collect_expansion): Add static prototypes.
12538 (cpp_install, create_definition, monthnames): Constify a char*.
12540 * cpphash.h (cpp_install): Likewise.
12542 * cppinit.c (known_suffixes, default_include,
12543 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
12544 (base_name, dump_special_to_buffer, initialize_dependency_output):
12545 Add static prototypes.
12547 * cpplib.c (my_strerror): Constify a char*.
12548 (null_underflow, null_cleanup, skip_comment, copy_comment,
12549 copy_rest_of_line, handle_directive, pass_thru_directive,
12550 get_directive_token, read_line_number, cpp_print_file_and_line,
12551 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
12552 v_cpp_warning_with_line, detect_if_not_defined,
12553 consider_directive_while_skipping): Add static prototypes.
12554 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
12555 cpp_pedwarn_with_file_and_line): Constify a char*.
12557 * cpplib.h (cpp_options, include_hash, progname, definition,
12558 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
12559 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
12560 find_include_file, deps_output, include_hash): Constify a char*.
12562 * cppmain.c (progname): Constify.
12563 (main): Add prototype. Use return, not exit.
12565 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
12566 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
12567 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
12568 check_protection): Add static prototype.
12570 (progname, recognized_macrom, recognized_extern): Constify a char*.
12571 (main): Add prototype.
12573 * gen-protos.c (progname): Constify a char*.
12575 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
12577 * emit-rtl.c (free_emit_status): Take decl as a parameter.
12578 (init_emit_once): Add more GC roots.
12579 * except.c (mark_func_eh_entry): New function.
12580 (mark_eh_node): Mark false_label and rethrow_label.
12581 (init_eh): Add more GC roots.
12582 * function.c (free_after_compilation): Take decl as a paramter.
12583 Call free_stmt_status.
12584 (mark_function_state): Don't assume x_parm_reg_stack_loc is
12586 * function.h (free_after_compilation): Change prototype.
12587 (free_varasm_status): Likewise.
12588 (free_emit_status): Likewise.
12589 (free_stmt_status): New function.
12590 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
12591 Remove, replacing with ...
12592 (ggc_status): New structure.
12593 (ggc_chain): New variable.
12594 (init_gcc): Define.
12595 (ggc_push_context): New function.
12596 (ggc_pop_context): Likewise.
12597 (ggc_alloc_rtx): Adjust for use of ggc_chain.
12598 (ggc_alloc_rtvec): Likewise.
12599 (ggc_alloc_tree): Likewise.
12600 (ggc_alloc_string): Likewise.
12601 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
12602 (ggc_mark_tree): Give language-dependent code a chance to mark
12604 (ggc_mark_tree_varray): Handle empty arrays.
12605 (ggc_collect): Adjust for use of ggc_chain. Clear
12606 bytes_alloced_since_last_gc.
12607 * ggc.h (ggc_pop_context): New function.
12608 (ggc_push_context): Likewise.
12609 * print-tree.c (print_node): Don't print obstacks when GC'ing.
12610 * stmt.c (free_stmt_status): New function.
12611 (init_stmt_for_function): Clear last_expr_value.
12612 * toplev.c (rest_of_compilation): Always call free_after_compilation.
12613 Conditionalize call to ggc_collect.
12614 (main): Call init_ggc.
12615 * tree.c (push_obstacks): Do the push, even when GC'ing.
12616 (push_obstacks_nochange): Likewise.
12617 (pop_obstacks): Liekwise.
12618 * varasm.c (free_varasm_status): Take decl as a parameter.
12620 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
12622 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
12623 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
12624 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
12625 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
12627 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
12629 * pa/x-pa-mpeix: New file for the MPE port.
12631 * pa/quadlib.asm: New file for long double support.
12633 * configure.in: Add hppa1.0-*-mpeix for MPE port.
12634 * configure: Rebuilt.
12636 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
12638 * final.c (shorten_branches): Fix last change.
12640 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
12642 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
12644 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
12646 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
12649 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * c-aux-info.c (concat): Don't define.
12653 * cccp.c (my_strerror): Likewise. All callers changed to use
12655 (do_include): Call xstrdup, not xmalloc/strcpy.
12656 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
12657 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
12659 * collect2.c (my_strsignal): Likewise. All callers changed to use
12661 (locatelib): Call xstrdup, not xmalloc/strcpy.
12663 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
12665 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
12667 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
12669 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
12671 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
12673 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
12675 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
12677 (find_all_handler_type_matches): Likewise. Don't check return
12679 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
12680 xmalloc, not malloc.
12681 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
12683 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
12684 (init_spec): Call xcalloc, not xmalloc/bzero.
12685 (set_spec): Call xstrdup, not save_string.
12686 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
12687 (find_a_file): Call xstrdup, not xmalloc/strcpy.
12688 (process_command): Call xstrdup, not save_string.
12689 (main): Call xcalloc, not xmalloc/bzero.
12691 * gcov.c (xmalloc): Don't define.
12692 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
12693 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
12694 (output_data): Call xcalloc, not xmalloc/bzero.
12696 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
12698 * mips-tdump.c (xmalloc): Don't define.
12699 (print_symbol): Call xmalloc, not malloc.
12700 (read_tfile): Call xcalloc, not calloc.
12702 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
12703 Don't define. All callers of xfree/my_strsignal changed to use
12704 free/strsignal instead.
12705 (allocate_cluster): Call xcalloc, not calloc.
12707 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
12708 Fix memory leak, free allocated memory.
12710 * prefix.c (translate_name): Call xstrdup, not save_string.
12711 (update_path): Likewise.
12713 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
12715 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
12716 Don't define. Callers of xfree/savestring2 changed to use
12717 free/concat instead.
12719 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
12720 (init_elim_table): Likewise.
12722 * resource.c (init_resource_info): Likewise.
12724 * stupid.c (stupid_life_analysis): Likewise.
12726 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
12727 (open_dump_file): Call concat, not xmalloc/strcpy/...
12728 (clean_dump_file): Likewise.
12729 (compile_file): Call xstrdup, not xmalloc/strcpy.
12731 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
12733 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
12734 * v850.c (v850_va_arg): New.
12736 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12738 * haifa-sched.c: Tidy comments.
12740 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12742 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
12743 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
12744 $(out_object_file)): Depend on ggc.h.
12745 * c-common.c: Include "ggc.h".
12746 (combine_strings): If doing GC, use ggc_alloc_string.
12747 * c-decl.c: Include "ggc.h".
12748 (ggc_p): Define with value 0.
12749 (mark_binding_level): New function.
12750 (init_decl_processing): Add GC roots.
12751 (mark_c_function_context): New function.
12752 (lang_mark_false_label_stack): New function.
12753 (lang_mark_tree): New function.
12754 (lang_cleanup_tree): New function.
12755 * c-lang.c: Include "ggc.h".
12756 (lang_init): Call c_parse_init.
12757 * c-lex.c: Include "ggc.h".
12758 (check_linenum): If doing GC, don't copy filenames to permanent
12760 * c-parse.in: Include "ggc.h".
12761 (c_parse_init): New function.
12762 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
12763 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
12765 * except.c (mark_eh_state): Mark more state.
12766 * function.c (mark_function_state): Likewise.
12767 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
12768 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
12769 * toplev.c (mark_file_stack): New function.
12770 (compile_file): If doing GC, use ggc_alloc_string on input filename.
12771 (main): Add root for input_file_stack.
12773 * i386.c: Include "ggc.h".
12774 (ix86_mark_machine_status): New function.
12775 (override_options): Set mark_machine_status.
12777 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12779 * tree.c (copy_node): Copy node contents also if doing GC.
12781 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
12783 * collect2.c (scan_libraries): Fix double-thinko :-).
12785 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
12787 * collect2.c (scan_libraries): Fix thinko.
12789 * cse.c (delete_trivially_dead_insns): Do not skip the last
12790 insn if it is a real insn.
12792 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
12794 * Makefile.in (ggc-simple.o): Depend on hash.h.
12795 * ggc.h (ggc_add_tree_hash_table_root): Declare.
12796 (ggc_mark_tree_varray): Likewise.
12797 (ggc_mark_tree_hash_table): Likewise.
12798 * ggc-simple.c: Include hash.h.
12799 (ggc_mark_tree_hash_table_ptr): New function.
12800 (ggc_mark_tree_hash_table_entry): Likewise.
12801 (ggc_mark_tree_hash_table): Likewise.
12802 (ggc_add_tree_hash_table_root): Likewise.
12803 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
12804 rtx, when defining fields.
12806 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
12808 * profile.c (output_func_start_profiler): Remove apparently
12809 nonsensical call to start_sequence.
12811 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
12813 * clipper/clipper.c (clipper_va_start): Fix typos.
12815 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
12816 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
12817 (spur_va_arg): New stub.
12819 * configure.in: Comment out pyramid.
12821 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
12823 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
12824 don't conflict with the bits that win32, cygwin, and dgux
12827 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
12828 Bernd Schmidt <bernds@cygnus.co.uk>
12830 * integrate.c (function_cannot_inline_p): Do not inline
12831 functions with forced labels.
12833 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
12834 Bernd Schmidt <bernds@cygnus.co.uk>
12835 Mark Mitchell <mark@codesourcery.com>
12837 * Makefile.in (ggc-simple.o): Depend on varray.h.
12838 (rtl.o): Depend on ggc.h.
12839 (genattrtab.o): Depend on ggc.h.
12840 (print-tree.o): Likewise.
12841 (fold-const.o): Likewise.
12842 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
12843 (make_insn_raw): Don't cache insns when GC'ing.
12844 (emit_insn_before): Likewise.
12845 (emit_insn_after): Likewise.
12846 (emit_insn): Likewise.
12847 (start_sequence): Use xmalloc to allocate the sequence_stack.
12848 (end_sequence): Add free to free it.
12849 (gen_sequence): Don't cache insns when GC'ing.
12850 (clear_emit_caches): Don't use sequence_element_free_list.
12851 (init_emit): Use xcalloc, not xmalloc+bzero.
12852 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
12853 * function.c (pop_function_context_from): Use free to free the
12854 fixup_var_refs_queue.
12855 (put_reg_into_stack): Allocate it with xmalloc.
12856 * genattrtab.c: Include ggc.h.
12857 (operate_exp): Don't use obstack_free when GC'ing.
12858 (simplify_cond): Likewise.
12859 (simplify_text_exp): Likewise.
12860 (optimize_attrs): Likewise.
12861 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
12863 (gencode): Generate a #include for ggc.h.
12864 * ggc-callbacks.c (ggc_p): Define it to zero.
12865 * ggc-none.c (ggc_p): Likewise.
12866 * ggc-simple.c: Include varray.h.
12867 (ggc_mark_tree_varray): New function.
12868 (ggc_add_tree_varray_root): Likewise.
12869 (ggc_mark_tree_varray_ptr): Likewise.
12870 * ggc.h (ggc_p): Declare.
12871 (varray_head_tag): Likewise.
12872 (ggc_add_tree_varray_root): Declare.
12873 * print-tree.c (print_node): Don't check for TREE_PERMANENT
12874 inconsistencies when GC'ing.
12875 * rtl.c: Include ggc.h.
12876 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
12877 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
12878 (rtx_free): Don't call obstack_free when GC'ing.
12879 * toplev.c (rest_of_compilation): Call ggc_collect after every
12881 * tree.c (push_obstacks): Do nothing, if GC'ing.
12882 (pop_obstacks_nochange): Likewise.
12883 (pop_obstacks): Likewise.
12884 (make_node): Use ggc_alloc_tree when GC'ing.
12885 (copy_node): Likewise.
12886 (get_identifier): Use ggc_alloc_string when GC'ing.
12887 (build_string): Likewise.
12888 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
12889 (tree_cons): Likewise.
12890 (build1): Likewise.
12891 (type_hash_canon): Don't call obstack_free when GC'ing.
12893 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
12895 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
12896 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
12898 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
12899 Bernd Schmidt <bernds@cygnus.co.uk>
12900 Mark Mitchell <mark@codesourcery.com>
12902 * Makefile.in (stor-layout.o): Depend on ggc.h.
12903 (expr.o): Depend on ggc.h.
12904 (profile.o): Depend on ggc.h.
12905 (stor-layout.o): Depend on ggc.h.
12906 * emit-rtl.c (init_emit_once): Add gc roots.
12907 * expr.c: Include ggc.h.
12908 (emit_block_move): Add gc roots.
12909 (clear_storage): Likewise.
12910 * expr.h (init_stor_layout_once): New function.
12911 * profile.c: Include ggc.h.
12912 (init_arc_profiler): profiler_label is a root.
12913 * scan.c (make_sstring_space): Trust xrealloc to function
12914 correctly with first parameter NULL.
12915 * stor-layout.c: Include ggc.h.
12916 (set_sizetype): Add gc root.
12917 (init_stor_layout_once): New function.
12918 * toplev.c (compile_file): Call it.
12920 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
12921 Bernd Schmidt <bernds@cygnus.co.uk>
12922 Mark Mitchell <mark@codesourcery.com>
12924 * Makefile.in (tree.o): Depend on ggc.h.
12925 (varasm.o): Likewise.
12926 (function.o): Likewise.
12927 (stmt.o): Likewise.
12928 (except.o): Likewise.
12929 (optabs.o): Likewise.
12930 (emit-rtl.o): Likewise.
12931 * emit-rtl.c: Include ggc.h.
12932 (sequence_element_free_list): Remove, and all references.
12933 (mark_sequence): New functions.
12934 (mark_emit_state): New function.
12935 * except.c: Include ggc.h.
12936 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
12937 (mark_tree_label_node): New functions.
12938 (mark_eh_state): New function.
12939 * function.c: Include ggc.h.
12940 (mark_temp_slot, mark_function_chain): New functions.
12941 (mark_function_state): New function.
12942 (init_function_once): New function.
12943 * function.h (init_function_once): New function.
12944 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
12945 * ggc.h (label_node): Declare.
12946 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
12947 (lang_mark_false_label_stack): New function.
12948 (mark_temp_slot): Remove declaration.
12949 (mark_function_chain): Likewise.
12950 (mark_eh_state): Adjust prototype.
12951 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
12953 * optabs.c: Include ggc.h.
12954 (mark_optab): New function.
12955 (init_optabs): Add gc roots.
12956 * stmt.c: Include ggc.h.
12957 (mark_cond_nesting, mark_loop_nesting): New functions.
12958 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
12959 (mark_stmt_state): New function.
12960 * toplev.c (compile_file): Call init_function_once.
12961 * tree.c: Include ggc.h.
12962 (type_hash): Move declaration earlier in file.
12963 (TYPE_HASH_SIZE, type_hash_table): Likewise.
12964 (init_obstacks): Add gc roots.
12965 (mark_type_hash): New function.
12966 * varasm.c: Include ggc.h.
12967 (mark_pool_constant): New function.
12968 (mark_varasm_state): New function.
12970 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12972 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
12974 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12976 * c-decl.c (struct language_function): Renamed from struct c_function.
12978 (c_function_chain): Delete.
12979 (push_c_function_context): New arg F. Don't warn about nested
12980 functions here. Fill LANGUAGE elt of F. Delete code to update
12981 c_function_chain. Don't call push_function_context.
12982 (pop_c_function_context): New arg F. Restore from there instead of
12983 from c_function_chain. Don't call pop_function_context. Clear out
12984 LANGUAGE field of F when done.
12985 * c-lang.c: Include "function.h"
12986 (lang_init): Initialize save_lang_status and restore_lang_status.
12987 * c-parse.in (nested_function, nested_function_notype): Warn about
12988 nested functions. Call push_function_context/pop_function_context
12989 instead of the _c_ variants.
12990 * c-tree.h (push_c_function_context, pop_c_function_context): Update
12992 * Makefile.in (c-lang.o): Update dependencies.
12994 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
12995 regno_pointer_flag, regno_pointer_align.
12996 (gen_reg_rtx): Use xrealloc to enlarge them.
12997 (free_emit_status): New function.
12998 * function.c (mark_machine_status, mark_lang_status): New variables.
12999 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
13000 in some bits from assign_stack_local. All callers changed to use new
13002 (assign_stack_local): Just call assign_stack_local_1.
13003 (free_after_compilation): New function.
13004 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
13005 (trampoline_address): Likewise.
13006 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
13007 (prepare_function_start): Explicitly clear some more variables.
13008 * function.h (struct function): New elt can_garbage_collect.
13009 (mark_machine_status, mark_lang_status): Declare variables.
13010 (free_after_compilation, free_emit_status, free_varasm_status,
13011 init_varasm_status): Declare functions.
13012 * toplev.c (rest_of_compilation): Call free_after_compilation when
13013 done with the current function.
13014 * varasm.c (free_varasm_status): New function.
13016 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
13018 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
13019 (EXPAND_BUILTIN_VA_ARG): Define.
13020 * sparc.c (sparc_va_start): New.
13021 (sparc_va_arg): New.
13023 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13025 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
13027 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13029 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
13031 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
13033 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
13034 (OBJS): Add $(GGC).
13035 (ggc-callbacks.o): New target.
13036 * ggc-callbacks.c: New file.
13038 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13040 * expr.h: Collapse individual optab and libfunc vars to arrays.
13041 (optab_index, libfunc_index): New enumerations.
13042 (optab_table, libfunc_table): New arrays.
13043 Add accessor macros for both.
13045 * optabs.c (optab_table, libfunc_table): New.
13046 Delete declarations for individual optab and libfunc vars.
13048 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
13050 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
13052 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
13054 * Makefile.in (GGC, GGC_LIB): New.
13055 (HOST_RTL): Include ggc-none.o.
13056 (ggc-simple.o): New target.
13057 (ggc-none.o): Likewise.
13058 * tree.h (tree_common): Add gc_mark.
13059 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
13060 (struct rtvec_def): Add gc_mark.
13061 * emit-rtl.c (global_rtl): Update static initializers to contain
13062 enough initializers.
13063 * ggc.h, ggc-none.c, ggc-simple.c: New files.
13064 * toplev.c (gc_time): New variable.
13065 (all_time): New variable.
13066 (compile_file): Print gc time.
13067 (print_time): Calculate percentage of the whole.
13069 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13071 Change obstack memory management and varasm constant pool handling so
13072 that nested functions are treated like any other functions.
13073 * function.c (init_machine_status): New variable.
13074 (push_function_context_to): Set contains_functions for the outer
13075 function. Don't call save_varasm_status.
13076 (pop_function_context_from): Don't call restore_varasm_status. Don't
13077 set current_function_contains_functions.
13078 (prepare_function_start): Call init_varasm_status rather than
13079 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
13081 * function.h (struct function) Add field varasm. Delete fields
13082 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
13083 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
13084 (init_machine_status): Declare.
13085 (save_varasm_status, restore_varasm_status): Delete declarations.
13086 (save_tree_status, restore_tree_status): Delete last argument.
13087 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
13088 code. All callers changed.
13089 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
13090 save_constants_in_decl_trees, restore_constants, save_constants,
13091 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
13093 (inlining): New variable.
13094 (reg_map, label_map, insn_map, orig_asm_operands_vector,
13095 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
13097 (save_for_inline_nocopy): Don't save constants.
13098 Don't set inl_emit field in current_function.
13099 (expand_inline_function): Use emit field, not inl_emit, of the inlined
13100 function. Set new variable inlining before
13101 calling copy_rtx_and_substitute.
13102 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
13103 constant pool references if inlining is nonzero.
13104 Delete ADDRESS and (most of the) CONST cases.
13105 (output_inline_function): Save and restore current_function/
13106 current_function_decl. Delete restore_constants code. Don't call
13107 init_const_rtx_hash_table.
13108 * output.h (init_const_rtx_hash_table): Don't declare.
13109 * rtl.h (struct function): Declare.
13110 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
13111 * toplev.c (rest_of_compilation): Don't treat nested functions or
13112 functions containing them specially. Delete all code to deal with
13113 save_for_inline_copying.
13114 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
13115 inline_obstacks): Delete variables.
13116 (save_tree_status): Lose arg CONTEXT. All callers changed.
13117 Simply allocate a new function_maybepermanent_obstack for the new
13118 function, delete all the special cases.
13119 Don't save inline_obstacks.
13120 (restore_tree_status): Lose arg CONTEXT. All callers changed.
13121 Delete special handling for function_maybepermanent_obstack; simply
13123 Don't restore inline_obstacks.
13124 (permanent_allocation): Delete code that frees inline_obstacks.
13125 (print_inline_obstack_statistics): Delete function.
13126 (dump_tree_statistics): Don't call it.
13127 * varasm.c (struct varasm_status): New.
13128 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
13129 last_pool, pool_offset, const_double_chain): Delete global
13130 variables, replace with accessor macros.
13131 (immed_double_const): Don't walk const_double_chain outside a
13132 function, but don't treat nested functions specially anymore.
13133 (immed_real_const_1): Likewise.
13134 (clear_const_double_mem): Don't treat nested functions specially.
13135 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
13136 (save_varasm_status, restore_varasm_status): Delete functions.
13137 (init_varasm_status): New function.
13138 (force_const_mem): Don't treat nested functions specially.
13139 (find_pool_constant): Accept new arg F, search for constants in
13140 that function's pool rather than the current one. All callers
13142 (get_pool_constant_for_function, get_pool_mode_for_function): New
13145 * i386.c (init_386_machine_status): New function, mostly from
13146 clear_386_stack_locals.
13147 (struct machine_functions): Rename element names to avoid name
13149 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
13150 macros, replacing global variables.
13151 (clear_386_stack_locals, save_386_machine_status,
13152 restore_386_machine_status): Delete functions.
13153 (override_options): Initialize init_machine_status.
13154 * i386.h (INIT_EXPANDERS): Delete macro.
13155 (save_386_machine_status, restore_386_machine_status,
13156 clear_386_stack_locals): Delete declarations.
13158 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13160 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
13161 (doloop_begin): Simplify pattern and use emit_jump_insn.
13162 (doloop_end): Simplify pattern, switch operand order,
13163 and use emit_jump_insn.
13165 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
13167 * function.h (struct function): Add new element LANGUAGE.
13168 (save_lang_status): Declare new variable.
13169 (restore_lang_status): Likewise.
13170 * function.c (save_lang_status): Define.
13171 (restore_lang_status): Likewise.
13172 (push_function_context_to): Call language-specific save function.
13173 (pop_function_context_from): Call language-specific restore function.
13175 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13177 * i386.md (movsf_1): Check REG_P before use of REGNO.
13178 (movdf_1): Likewise.
13179 (movxf_1): Likewise.
13180 (extendsfdf2): Likewise.
13181 (extendsfxf2): Likewise.
13182 (extenddfxf2): Likewise.
13184 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13186 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
13187 constants into memory.
13188 (c4x_shiftable_constant): New function.
13189 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
13190 (c4x_shiftable_constant): Declare.
13191 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
13192 ashlqi3_noclobber): Add new patterns and associated splitters.
13194 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
13196 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
13197 * dwarf2out.c (dwarf2out_frame_init): Likewise.
13198 * final.c (shorten_branches): Likewise.
13199 * global.c (global_alloc): Likewise.
13200 * haifa-sched.c (build_control_flow): Likewise.
13201 * stmt.c (check_for_full_enumeration_handling): Likewise.
13202 (estimate_case_costs): Likewise.
13204 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
13206 * rtl.h (RTL_CHECKC2): Fix typo in last change.
13208 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
13210 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
13211 (recompute_reg_usage): Likewise.
13212 * rtlanal.c (find_regno_fusage): Likewise.
13214 * rtl.c (rtl_check_failed_code1): New function.
13215 (rtl_check_failed_code2): New.
13216 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
13217 (RTL_CHECKC1, RTL_CHECKC2): New.
13218 (XC*): New accessor macros.
13219 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
13220 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
13221 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
13222 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
13223 (TRAP_*, RANGE_INFO_*): Likewise.
13225 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13227 * Makefile.in (tlink.o): Don't depend on toplev.h.
13229 * collect2.c (c_file, o_file, export_file, import_file, ldout,
13230 output_file, nm_file_name, ldd_file_name, strip_file_name,
13231 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
13232 add_prefix, prefix_from_env, prefix_from_string, do_wait,
13233 fork_execute, maybe_unlink, add_to_list,
13234 extract_init_priority, write_list, dump_list,
13235 dump_prefix_list, write_list_with_asm, write_c_file,
13236 write_c_file_stat, write_c_file_glob, scan_prog_file,
13237 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
13238 ignore_library, extract_string, notice, dump_file, target_machine,
13239 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
13240 read_file, print_load_command): Constify a char*.
13241 (fdopen, error, fatal, fatal_perror): Don't prototype.
13242 (my_strerror): Remove. All callers use xstrerror instead.
13243 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
13244 (main): Add prototype. Constify lots of char* ptrs. Change calls
13245 to xcalloc/strcpy/strcat/... to one call to concat.
13246 (main, scan_prog_file, scan_libraries): Use an intermediate
13247 `const char **' to build an argv array.
13248 (mapfile, libselect, libcompare, locatelib): Add prototypes.
13250 * collect2.h (collect_execute, collect_wait, dump_file,
13251 file_exists): Constify a char*.
13252 (ldout, c_file_name, temporary_obstack, permanent_obstack,
13253 temporary_firstobj, vflag, debug): Add extern declarations.
13254 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
13256 * tlink.c: Don't include toplev.h.
13257 (vflag, debug, ldout, c_file_name, temporary_obstack,
13258 permanent_obstack, temporary_firstobj): Don't declare.
13259 (tlink_execute, frob_extension, symbol_hash_lookup,
13260 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
13261 recompile_files, read_repo_files, demangle_new_symbols,
13262 scan_linker_output): Constify a char*.
13263 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
13264 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
13266 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
13268 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
13269 (relative) rather than jsr (absolute) subroutine call insns.
13270 * config/m68k/m68k-coff.h: Ditto.
13272 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
13274 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
13275 now rework these too.
13276 (arm_reorg): If an insn can't reach the end of the current pool,
13277 ensure that we emit that pool before the insn.
13279 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
13281 * tlink.c (scan_linker_output): Skip the initial underscore in
13282 a mangled name if appropriate.
13284 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13286 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
13287 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
13288 error_with_ivar, gen_declarator, create_builtin_decl,
13289 my_build_string, generate_descriptor_table, generate_ivars_list,
13290 generate_dispatch_table, check_protocols, TAG_GETCLASS,
13291 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
13292 dump_base_name, lang_decode_option, build_encode_expr,
13293 start_class, finish_class, encode_pointer, really_start_method,
13294 gen_declaration, dump_interface, handle_class_ref, handle_impent):
13296 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
13297 Add static prototypes.
13298 (build_objc_string_decl, build_selector_reference_decl,
13299 encode_bitfield, build_class_reference_decl): Remove unused
13300 parameter, all callers changed.
13301 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
13302 (objc_printable_name): Likewise. Change second parameter to type int.
13303 (init_objc): Use memcpy, not bcopy, to avoid casts.
13305 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
13307 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
13308 reg notes on a deleted insn.
13309 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
13311 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
13313 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
13315 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13317 * stmt.c (expand_asm_operands): Fix index into inout_mode when
13320 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
13322 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
13323 * tm.texi (MD_ASM_CLOBBERS): Document it.
13325 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
13327 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
13328 * except.c (expand_rethrow): Remove unused variable.
13329 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
13330 * flow.c (replace_insns): Likewise.
13331 (create_edge_list, verify_edge_list): Likewise.
13332 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
13334 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
13335 is special code to run.
13336 (main): Don't define operands to emit_operand.
13337 * genrecog.c (main): Don't emit an empty peephole2_insn function.
13339 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
13341 * alpha/alpha.h (normal_memory_operand): Declare.
13342 (reg_no_subreg_operand): Declare.
13343 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
13345 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
13347 * c-parse.in (compstmt_primary_start): New, broken out of first
13348 part of compstmt handling in primary.
13349 (primary): Use it. Add an error clause.
13350 (compstmt_nostart): Renamed from compstmt; remove all
13351 initial invocations of compstmt_start.
13354 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
13356 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
13359 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
13361 * combine.c (simplify_shift_const): Remove extra semicolon.
13362 * dwarf2out.c (remove_AT): Likewise.
13363 * expmed.c (expand_mult): Likewise.
13364 * gcov.c (create_program_flow_graph): Likewise.
13365 * reorg.c (mostly_true_jump): Likewise.
13367 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
13369 * fold-const.c (fold_range_test): Do not try to fold the range
13370 test if the rhs or lhs has side effects.
13372 * combine.c (simplify_rtx): Recognize another case of a synthesized
13375 * varasm.c (mark_constant_pool): When marking indirect references,
13376 only look at SYMBOL_REFs.
13378 * except.c (expand_fixup_region_end): Do not peek at
13379 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
13381 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
13383 * flags.h: New variables align_loops, align_loops_log,
13384 align_jumps, align_jumps_log, align_labels, align_labels_log,
13385 align_functions, align_functions_log.
13386 * toplev.c: Define them.
13387 (f_options): Handle -falign-* when they have no argument.
13388 (main): Add logic to set variables for -falign-functions,
13389 -falign-jumps, -falign-labels, -falign-loops.
13390 Make it -fsched-verbose=<n> and -finline-limit=<n>.
13391 (display_help): Change help to match options.
13392 * final.c (LABEL_ALIGN): Default to align_labels_log.
13393 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
13394 (LOOP_ALIGN): Default to align_loops_log.
13395 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
13396 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
13397 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
13398 * varasm.c (assemble_start_function): Handle align_functions.
13400 * config/sparc/sparc.h: Don't declare sparc_align_*.
13401 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
13402 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
13404 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
13406 * config/sparc/sparc.c: Delete sparc_align_loops,
13407 sparc_align_jumps, sparc_align_funcs and the corresponding string
13409 (sparc_override_options): Default align_functions on ultrasparc.
13410 Delete -malign-* handling.
13412 * config/mips/mips.c (override_options): On 64-bit targets,
13413 try to align code to 64-bit boundaries.
13414 (print_operand): New substitution, %~,
13415 which aligns labels to align_labels_log.
13416 * config/mips/mips.md (div_trap_normal): Use %~.
13417 (div_trap_mips16): Likewise.
13419 (absdi2): Likewise.
13420 (ffssi2): Likewise.
13421 (ffsdi2): Likewise.
13422 (ashldi3_internal): Likewise.
13423 (ashrdi3_internal): Likewise.
13424 (lshrdi3_internal): Likewise.
13425 (casesi_internal): Likewise.
13427 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
13429 Merge new ia32 backend from the branch!
13431 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
13432 See ChangeLog.P2 on new_ia32_branch for details.
13434 * rtl.h (stack_regs_mentioned_p): Delete prototype.
13435 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
13436 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
13437 * i386/gas.h (ASM_FILE_START): Define.
13438 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
13439 for name change of ix86_valid_decl_attribute_p.
13440 (i386_pe_valid_type_attribute_p): Similarly.
13442 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
13444 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
13445 to step through CC modes.
13447 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13449 * regmove.c (fixup_match_1): Don't move INSN in front of P if
13450 it would end up in the shadow of a live flags regsiter.
13452 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13454 * reload1.c: Fix many indentation problems.
13455 * reload.c: Likewise.
13457 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
13459 * alias.c (non_local_reference_p): Constify fmt.
13461 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
13463 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
13465 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
13467 * cse.c (delete_trivially_dead_insns): Do not delete stores to
13468 the internal_arg_pointer.
13470 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
13472 Merge peephole2 from new_ia32_branch:
13473 * Makefile.in (STAGESTUFF): Add *.peephole2.
13474 (mostlyclean): Likewise.
13475 (recog.o): Depend on resource.h.
13477 * final.c (peephole): Conditionalize decl on HAVE_peephole.
13478 (final_scan_insn): Likewise for the invocation of peephole.
13479 * genconfig.c (main): Look for peephole and peephole2 patterns.
13480 Emit HAVE_peephole* accordingly.
13481 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
13482 * flags.h (flag_peephole2): Declare.
13483 * toplev.c: New pass peephole2. New flag -fpeephole2.
13485 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
13486 * gencodes.c (main): Likewise.
13487 * genextract.c (main): Likewise.
13488 * genoutput.c (main): Likewise.
13489 * genemit.c (max_operand_1): Look for the max scratch operand.
13490 (gen_rtx_scratch): New.
13491 (gen_exp): Use it, and pass on new arg subroutine_type.
13492 (gen_expand): Take max scratch into account.
13493 (gen_split): Emit peephole2 functions.
13494 (output_peephole2_scratch): New.
13495 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
13496 * genrecog.c (routine_type): Add PEEPHOLE2.
13498 (make_insn_sequence): Match outer parallel for peep2. Discard
13499 top level scratches and dups.
13500 (add_to_sequence): New args insn_type and top. Update all callers.
13501 Handle toplevel peep2 matching insns.
13502 (write_subroutine): Handle peep2.
13503 (write_tree_1): Likewise.
13504 (write_tree): Likewise.
13506 (change_state): New arg afterward. Update all callers.
13507 Handle matching separate insns.
13508 * recog.c (recog_next_insn): New.
13509 (peephole2_optimize): New.
13510 * rtl.def (DEFINE_PEEPHOLE2): New.
13511 * resource.c (find_free_register): New argument last_insn. Use it
13512 to find a register available through the entire span.
13513 * resource.h (find_free_register): Update prototype.
13515 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
13517 * i386.c (output_strlen_unroll): Don't write xops[7]
13518 label if it wasn't set.
13520 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
13522 * cpplib.c (struct directive): Const-ify name pointer and
13523 function pointer prototype.
13524 (validate_else, do_define, do_line, do_include, do_undef,
13525 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
13526 do_elif, do_endif, do_sccs, do_assert, do_unassert,
13527 do_warning): Const-ify second arg.
13528 (directive_table): Mark const. Reorder entries by frequency
13529 of usage, record statistics.
13531 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
13533 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
13534 bounds- check RTL accesses if --enable-checking.
13535 (RTVEC_ELT): Bounds check if --enable-checking.
13536 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
13537 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
13538 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
13540 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
13541 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
13543 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
13544 (NOTE_SOURCE_FILE): Use X0STR.
13545 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
13546 MEM_ALIAS_SET): Use X0INT.
13547 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
13548 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
13550 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
13551 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
13552 (rtl_check_failed_bounds, rtl_check_failed_type1,
13553 rtl_check_failed_type2, rtvec_check_failed_bounds): New
13555 (fancy_abort): Fix comment.
13557 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
13558 (cse_insn): Decrement LABEL_NUSES for jump target before
13559 deleting jump insn.
13560 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
13561 * final.c (alter_subreg): Compute regno before changing x to
13562 REG; set REGNO(x) after changing it.
13563 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
13564 notes containing CONST_INTs.
13565 (delete_eh_regions): Use NOTE_EH_HANDLER.
13566 * function.c (put_reg_into_stack): Make reg a MEM before
13568 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
13570 (gen_mem_addressof): Make reg a MEM before initializing it.
13571 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
13573 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
13574 deleting an insn, not after.
13575 (block_alloc): Only look at PATTERN(insn) if we have to, and
13576 only if it's format class 'i'.
13577 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
13578 CONST_INT before using its INTVAL.
13579 * print-rtl.c (print_rtx): Use X0STR.
13580 * regmove.c (fixup_match_1): Don't look at PATTERN of
13581 non-class-'i' insn chain elements.
13582 * reload.c (loc_mentioned_in_p): Take address of
13583 in->fld[1].rtx directly.
13584 * reload1.c (reload): Change reg to a MEM before initializing
13586 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
13588 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
13590 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
13592 * config/mips/mips.c (machine_dependent_reorg): Force a
13593 barrier to output the local constant pool if a barrier hasn't
13594 been found at a natural point in the instruction stream.
13596 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13598 * c-parse.in (language_string): Constify.
13600 * dwarf2out.c (language_string): Remove declaration.
13602 * dwarfout.c (language_string): Likewise.
13604 * toplev.c (language_string, init_parse, finish_parse): Likewise.
13606 * tree.h (language_string, init_parse, finish_parse): Declare.
13608 * i386/sun386.h (language_string): Remove declaration.
13610 * mips.h (language_string): Likewise.
13612 * nextstep.h (language_string): Likewise.
13614 * nextstep21.h (language_string): Likewise.
13616 * rs6000.c (language_string): Likewise.
13618 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13620 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
13621 (getpwd.o): Remove target.
13623 * getpwd.c: Delete file. Its in libiberty now.
13625 * dbxout.c (getpwd): Don't prototype.
13626 * dwarf2out.c (getpwd): Likewise
13627 * dwarfout.c (getpwd): Likewise
13628 * final.c (getpwd): Likewise.
13629 * protoize.c (getpwd): Likewise.
13631 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13633 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
13635 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
13637 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
13638 mark_set_resources.
13640 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
13642 * fixinc/Makefile.in (subdir): New.
13643 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
13646 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
13648 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
13649 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
13652 * invoke.texi: Fix typo.
13654 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
13655 changed. Handle autoincrement addressing modes.
13657 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
13658 just like we would the virtual incoming args register when
13661 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
13663 * rs6000.h (ASM_FILE_START): Specify complete filename, including
13664 path, in .file directive.
13666 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
13668 * gcc.texi (External Bugs): Remove obsolete note about Perl on
13671 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
13673 * stdbool.h: Make the typedef name _Bool, with bool a #defined
13676 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13678 * tree.c (tree_code_name): Constify a char*.
13680 * tree.h (tree_code_name, decl_printable_name): Likewise.
13682 * function.h (struct function): Likewise.
13684 * toplev.c (decl_name, decl_printable_name): Likewise.
13686 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
13688 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
13689 (init_objc): Remove function pointer cast.
13691 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
13693 * pa.md (interspace_jump): New pattern.
13694 (builtin_longjmp): New expander.
13696 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
13698 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
13699 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
13700 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
13702 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
13704 * jump.c (delete_prior_computation): Also check calls
13705 to constant functions. Don't bother checking for a
13706 REG_UNUSED note before adding it.
13707 (delete_computation): Handle multi-word hard registers
13708 when synthesizing missing REG_DEAD notes for a register
13709 which is both set and used by an insn.
13711 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13713 * loop.c (this_loop_info): New variable.
13714 (loop_has_call, loop_has_volatile, loop_has_tablejump,
13715 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
13717 (prescan_loop, strength_reduce): New argument loop_info. All callers
13719 (scan_loop): New variable loop_info, initialise to address of
13721 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
13722 Delete variable loop_has_multiple_exit targets and replace with
13723 field in this_loop_info.
13724 (find_and_verify_loops): Rename this_loop to this_loop_num.
13725 (strength_reduce): Delete loop_iteration_info. Replace variable
13726 loop_info with function argument of same name.
13727 (insert_bct): Rework test for loop being completely unrolled.
13729 * loop.h (struct loop_info): New fields num, loops_enclosed,
13730 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
13731 has_indirect_jump, and cont. Redefine use of unroll_number.
13732 (loop_unroll_number): Delete.
13734 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
13735 field of loop_info.
13736 (loop_iterations): Delete variable vtop and instead use
13737 loop_info->vtop computed in prescan_loop.
13739 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
13741 * fix-header.c (main): Do not pass a null pointer to strcmp.
13743 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
13745 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
13747 * configure: Rebuilt.
13749 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
13751 * jump.c (jump_optimize_1): Do not delete assignments to
13752 internal_arg_pointer.
13753 * cse.c (delete_trivially_dead_insns): Always consider a set of
13754 the internal_arg_pointer live.
13756 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
13758 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
13759 (update_life_info) [REG_WAS_0]: Search the original insns rather
13760 than the new insns for the note. Fix typos finding note_dest.
13761 If no dest found, discard the note rather than abort.
13762 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
13763 (replace_insns): Remove the old insn list after update_life_info
13766 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
13768 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
13769 sched_analyze_insn.
13770 (sched_analyze_1): Let add_dependence care for not adding dups.
13771 (sched_analyze_2): Likewise.
13772 (add_branch_dependences): Likewise.
13774 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
13776 * i386/winnt.c (export_list): New type.
13777 (exports_head): Rename to
13778 (export_head): this.
13779 (i386_pe_record_exported_symbol): Add is_data flag.
13780 (i386_pe_asm_file_end): Emit directive for exported variables.
13781 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
13783 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
13784 (ASM_DECLARE_OBJECT_NAME): Likewise.
13785 (ASM_DECLARE_FUNCTION_NAME): Likewise.
13786 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
13788 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
13790 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
13792 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
13795 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
13797 * config/openbsd.h: Define SET_ASM_OP.
13798 * tm.texi: cross-reference SET_ASM_OP in the index.
13800 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
13802 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
13803 for a CONST_DOUBLE, at compile time. Initialize rtx_length
13804 and class_narrowest_mode at compile time. Kill init_rtl.
13805 Mark rtx_length, mode_class, mode_size, mode_unit_size,
13806 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
13807 rtx_format as const. Kill all references to EXTRA_CC_MODES or
13809 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
13811 * rtl.h: Declare rtx_length and rtx_format as const.
13812 * machmode.def: Define CC(). Use CC() to define CCmode. If
13813 EXTRA_CC_MODES is defined, expand it here.
13814 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
13815 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
13816 const. Kill all references to EXTRA_CC_MODES.
13818 * toplev.c: Don't prototype or call init_rtl.
13819 * optabs.c: Don't call init_mov_optab.
13820 * genemit.c: Don't generate init_mov_optab. Don't call
13822 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
13824 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
13825 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
13826 genrecog.c: Don't call init_rtl.
13828 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
13829 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
13830 definition of EXTRA_CC_MODES.
13832 * md.texi: Kill ref to EXTRA_CC_NAMES.
13833 * tm.texi: Document new way to define EXTRA_CC_MODES.
13835 * genrecog.c: Do not look up the name of a define_split.
13836 (Unrelated bugfix.)
13838 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
13840 * config/v850/v850.md: Fix typo introduced by previous delta.
13842 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13844 * gcc.c (fatal): Make definition static to match prototype.
13846 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13848 * combine.c (get_last_value): Don't look for earlier sets if the last
13849 known set is somewhere in between the insns being combined.
13851 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
13853 * configure.in: Don't use shell ! to negate exit codes
13854 * configure: Regenerate
13856 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
13858 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
13859 the fact that ALIGN is measured in bits, not bytes.
13861 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
13863 * errors.c: New file; defines functions error, warning, and
13864 fatal, variables have_error and progname.
13865 * errors.h: New file; prototypes and decls for stuff in errors.c.
13867 * Makefile: Add rules to build errors.o and
13868 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
13869 genopinit, genrecog, genextract, genpeep, genattr, and
13870 genoutput with errors.o. Add errors.h to deps of genconfig.o,
13871 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
13872 genpeep.o, genattr.o, and genoutput.o.
13874 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
13875 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
13876 define or prototype fatal. Set progname at beginning of main.
13877 * genoutput.c: Likewise, and don't define or prototype error
13880 * c-typeck.c (c_expand_start_case): Return immediately if exp
13882 * fold-const.c (operand_equal_p): Return immediately if arg1
13883 or arg0 are ERROR_MARKs.
13884 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
13885 fields of type ERROR_MARK when calculating if the record can
13888 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
13889 with much help from Jeffrey A Law and Richard Henderson
13891 * i386.md: In the 6 insns which call output_fix_trunc,
13892 earlyclobber operands[0].
13894 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
13896 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
13897 creating new registers.
13899 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
13901 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
13902 i386_reg_alloc_order, i386_regparm_string,
13903 i386_align_loops_string, i386_align_jumps_string,
13904 i386_align_funcs_string, i386_preferred_stack_boundary_string,
13905 and i386_branch_cost_string as type "const char *".
13906 * i386.c: Define all above strings as type "const char *".
13908 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
13910 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
13911 when emitting alignment padding. Emit padding byte of 0 instead of 4.
13913 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
13915 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
13916 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
13918 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
13920 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
13921 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
13922 (dwarf2out_line, dwarf2out_finish): Likewise.
13923 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
13925 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
13927 * tree.c (lang_unsave_expr_now) : Correct return type.
13928 * tree.h (lang_unsave_expr_now) : Same.
13930 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
13932 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
13933 instead of duplicating code.
13935 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13937 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
13939 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
13941 * tree.h: fancy_abort always takes three args.
13942 * resource.c: Move include of system.h before toplev.h.
13944 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
13946 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
13949 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
13951 * system.h: Don't redefine abort or trim_filename.
13952 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
13953 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
13954 whether or not __FUNCTION__ is available.
13955 * tree.h: Duplicate rtl.h's definition of abort, for files
13956 that don't include rtl.h. Delete all code to perform type
13957 checking with a compiler other than GCC.
13958 * varray.h: Delete all code to perform type checking with a
13959 compiler other than GCC. Make VARRAY_CHECK() always evaluate
13960 its arguments exactly once, using a statement expression.
13961 Adjust the VARRAY_<type> accessor macros to match.
13962 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
13963 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
13964 caller's location. Define fatal_insn and fatal_insn_not_found
13965 as macros that use _fatal_insn and _fatal_insn_not_found.
13966 (fancy_abort, trim_filename): Kill prototypes.
13968 * rtl.c (trim_filename): Move here from toplev.c.
13969 (fancy_abort): New function.
13970 (DIR_SEPARATOR): Provide default definition.
13971 * tree.c (tree_check_failed, tree_class_check_failed): Go
13972 through fancy_abort.
13973 (tree_check, tree_class_check, cst_or_constructor_check,
13974 expr_check): Delete.
13975 * varray.c (varray_check_failed): New function.
13976 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
13977 _fatal_insn and _fatal_insn_not_found. Go through
13979 (trim_filename, fancy_abort): Delete.
13981 * builtins.c (expand_builtin_args_info): Report ICE with abort.
13982 * except.c (start_catch_handler): Report ICE with error/abort
13984 * final.c (output_operand_lossage): Likewise.
13985 * flow.c (verify_flow_info): Likewise.
13987 * gcc.c: Prototype fatal.
13988 * gengenrtl.c: Undef abort after including rtl.h not system.h.
13989 * genattr.c, genattrtab.c, genemit.c, genextract.c,
13990 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
13991 Don't define fancy_abort.
13993 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
13995 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
13998 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
14000 * m88k.h (VERSION_INFO2): Kill.
14001 (VERSION_STRING): Kill.
14003 (VERSION_INFO1): Tidy.
14004 (TARGET_VERSION): Update.
14005 * m88k/dgux.h (VERSION_INFO2): Kill.
14006 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
14007 * m88k/luna.h (VERSION_INFO1): Tidy.
14008 * m88k/sysv4.h (VERSION_INFO1): Likewise.
14009 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
14010 (output_file_start): Adjust for death of VERSION_STRING.
14012 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
14014 * cpplib.c (detect_if_not_defined): New function.
14015 (do_if): Use it to detect potential once-only headers.
14017 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
14019 * c-common.c (combine_strings): Always set TREE_CONSTANT.
14021 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
14023 * combine.c (nonzero_bits) : Allow single-ly set registers to be
14024 anywere in the function only if they are pseudos and set before
14025 being used (not live at the start of the function).
14026 (num_sign_bit_copies) : Same.
14027 (get_last_value_validate) : Same.
14028 (get_last_value) : Same.
14030 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
14032 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
14033 where N and M are constant and N is an integer multiple of M.
14035 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14037 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
14038 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
14039 sbitmap_union_of_preds): Add prototypes.
14040 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
14041 the intersection of successors with the new flow graph structures.
14042 (sbitmap_intersection_of_preds): New function to compute the
14043 intersection of predecessors with the new flow graph structures.
14044 (sbitmap_union_of_succs): New function to compute the union of
14045 successors with the new flow graph structures.
14046 (sbitmap_union_of_preds): New function to compute the union of
14047 predecessors with the new flow graph structures.
14048 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
14049 (expr_reaches_here_p): Use edge and basic_block structures instead
14050 of s_preds and s_succs.
14051 (compute_cprop_avinout): Use new sbitmap routines.
14052 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
14053 of s_preds and s_succs.
14054 * flow.c (compute_flow_dominators): Compute dominators using
14055 edges and basic blocks instead of s_preds and s_succs.
14057 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14059 * lists.c (unused_insn_list, unused_expr_list): New file for
14060 maintaining various types of lists. New statics for maintaining a
14061 cache of available INSN_LIST and EXPR_LIST nodes.
14062 (free_list): Static function for freeing a list of INSN/EXPR nodes.
14063 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
14064 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
14065 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
14066 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
14067 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
14068 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
14069 (free_INSN_LIST_node): Free an individual INSN_LIST node.
14070 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
14071 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
14072 (remove_dependence, free_pending_lists): Use new global routines.
14073 (flush_pending_lists, sched_analyze_insn): Use new global routines.
14074 (sched_analyze, compute_block_backward_dependences): Use new routines.
14075 (sched_analyze_1, sched_analyze_2): Use new routines.
14076 (schedule_insns): Use new global routines.
14077 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
14079 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
14080 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
14082 * toplev.c (rest_of_compilation): Initialize node cache.
14083 * Makefile.in (OBJS): Add lists.o to list of object files.
14084 (lists.o): Add dependancies.
14086 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
14088 * config/v850/v850.md: Fix compile time warning messages.
14089 * config/v850/v850.c: Fix compile time warning messages.
14090 * config/v850/v850.h: Fix compile time warning messages.
14092 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14094 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
14095 Remove unused prototype for `init_lengths'.
14097 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14099 * calls.c (emit_call_1): Mark parameter `stack_size' with
14101 (expand_call): Initialize variable `insn'.
14102 (emit_library_call): Likewise for variable `high_to_save'.
14103 (emit_library_call_value): Likewise.
14104 (store_one_arg): Likewise for variables `lower_bound' and
14107 * combine.c (try_combine): Likewise for variables `i2_code_number'
14108 and `other_code_number'.
14109 (find_split_point): Likewise for variables `pos', `unsignedp' and
14111 (simplify_if_then_else): Likewise for variables `op' and `c1'.
14112 (simplify_and_const_int): Remove unused variable `width'.
14113 (merge_outer_ops): Likewise.
14115 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
14116 HOST_WIDE_INT' when comparing against one.
14117 (simplify_relational_operation): Likewise.
14118 (cse_insn): Initialize variables `src_eqv_volatile',
14119 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
14121 * final.c (init_final): Constify parameter `filename'.
14122 (final_start_function): Mark parameter `optimize' with
14124 (profile_function): Likewise for parameters `first' and `optimize'.
14125 (output_source_line): Likewise for parameter `file'.
14127 * integrate.c (subst_constants): Cast a value to `size_t' when
14128 comparing against one.
14129 (mark_stores): Initialize variable `mode'. Cast a value to
14130 `size_t' when comparing against one.
14132 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
14134 * loop.c (move_movables): Initialize variable `first'.
14135 (strength_reduce): Likewise for variable `increment'.
14136 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
14137 value to `size_t' when comparing against one.
14138 (load_mems): Initialize variable `end_label'.
14140 * output.h (init_final): Constify parameter.
14142 * reload.c (decompose): Initialize variable `base'.
14144 * reload1.c (reload): Likewise for variable `is_scalar'.
14145 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
14146 (choose_reload_regs): Initialize variable `mode'.
14147 (emit_reload_insns): Likewise for variable `store_insn'.
14148 (reload_cse_noop_set_p): Mark parameter `insn' with
14150 (reload_combine): Initialize variable `set'.
14152 * unroll.c (unroll_loop): Likewise for variable `local_label'.
14153 (copy_loop_body): Cast a value to `size_t' when comparing against
14156 * varasm.c (assemble_variable): Initialize variable `size_tree'.
14157 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
14158 (remove_from_pending_weak_list): Mark parameter `name' with
14161 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14163 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
14166 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
14168 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
14169 (ASM_DECLARE_FUNCTION_NAME): Define.
14170 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
14171 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
14172 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
14173 not already defined.
14175 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
14177 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
14178 of n_popped when call/call_value are not defined.
14180 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
14182 * tm.texi: GNU CC -> GCC conversion.
14183 (CC1_SPEC): Indicate it is used for all language front ends.
14185 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
14187 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
14188 NOTE_INSN_EH_REGION_END correctly.
14190 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
14191 Jeff Law <law@cygnus.com>
14193 * loop.c (strength_reduce): Automatically unroll loops if the
14194 unrolled loop size is smaller than the rolled loop size.
14196 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
14197 and delete comment that code should be rewritten.
14199 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
14201 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
14204 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
14206 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14208 * fixinc/mkfixinc.sh: Don't fix uwin headers.
14209 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
14210 (LINK_SPEC): Add -u _main when building executables.
14211 (ASM_DECLARE_FUNCTION): Update from Cygwin.
14212 (ASM_FILE_END): Use the default for ix86-pe.
14213 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
14215 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
14217 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
14218 and ASM_CLOSE_PAREN are empty strings.
14220 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
14221 Geoffrey Keating <geoffk@cygnus.com>
14223 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
14224 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
14225 (unprotoize.o): Ditto.
14226 (test-protoize-simple): Don't define STD_PROTO_DIR.
14227 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
14228 changes to make 'test-protoize-simple' pass.
14229 (STD_PROTO_DIR): Remove define.
14230 (STANDARD_EXEC_PREFIX): Supply default define.
14231 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
14232 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
14233 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
14234 (GET_ENV_PATH_LIST): New macro.
14235 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
14236 (do_processing): Initialize default_syscalls_dir using new
14237 macros. Use it to initialize syscalls_absolute_filename.
14239 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
14241 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
14242 B into a register before emit_conditional_move.
14244 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
14246 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
14247 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
14248 multiplicand out of (+ (* a b) (* c d)).
14250 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
14251 Richard Henderson <rth@cygnus.com>
14253 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
14254 (new_insn_dead_notes): Likewise.
14255 (update_n_sets): Likewise.
14256 (update_flow_info): Move to flow.c, renamed to update_life_info;
14257 extend to handle multiple source insns.
14258 * flow.c: Include resource.h
14259 (unlink_insn_chain): New.
14260 (split_hard_reg_notes): New.
14261 (maybe_add_dead_note): New.
14262 (maybe_add_dead_note_use): New.
14263 (find_insn_with_note): New.
14264 (new_insn_dead_notes): New.
14265 (update_n_sets): New.
14266 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
14267 (maybe_remove_dead_notes): New.
14268 (update_life_info): New.
14269 (prepend_reg_notes): New.
14270 (replace_insns): New.
14271 * output.h (update_life_info): Declare.
14272 * recog.c (split_block_insns): Use update_life_info.
14273 * resource.c (find_free_register): Use reg_alloc_order, don't use
14274 fixed regs, make sure the mode is supported, don't use new regs.
14276 * rtl.h (replace_insns): Declare.
14278 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
14280 * expr.c (expand_expr): Cope with COND_EXPRs with one
14281 non-returning branch.
14283 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
14285 * expr.c (store_expr): Always pass down the target, even when not
14288 1999-08-24 Nick Clifton <nickc@cygnus.com>
14290 * configure.in: Define target_cpu_default for v850 targets.
14291 * configure: Regenerate
14293 * config/v850/v850.h (TARGET_CPU_generic): Define.
14294 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
14295 addresses are 4 byte aligned.
14297 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
14300 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14302 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
14303 (main): Add prototypes.
14305 * genattrtab.c (substitute_address, write_const_num_delay_slots,
14306 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
14307 (write_attr_get): Emit prototypes along with function definition.
14308 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
14309 (write_complex_function): Emit static prototype along with
14310 function definition.
14312 * genemit.c (gen_split): Emit prototypes along with function
14315 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
14316 Likewise for predicates and `insn_operand_predicate'.
14317 (process_template): Emit static prototype along with function
14320 * genrecog.c (make_insn_sequence): Constify a char*. Add
14321 prototypes for get_split_*().
14322 (write_subroutine): Emit prototypes along with function
14325 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14327 * gcse.c (find_avail_set): Follow chains of register-register copies.
14328 Use oprs_not_set_p to guarantee that the returned value can be
14330 (cprop_insn): Don't verify the return value of find_avail_set with
14333 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
14334 (cprop_cc0_jump): New function.
14335 (cprop_insn): Break out new function cprop_jump and use it.
14336 Also use cprop_cc0_jump for machines with CC0.
14337 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
14339 * tree.h (current_function_calls_setjmp,
14340 current_function_calls_longjmp): Delete declarations.
14341 * dsp16xx.c: Include "function.h".
14342 * elxsi.c: Likewise.
14343 * gmicro.c: Likewise.
14344 * h8300.c: Likewise.
14345 * i370.c: Likewise.
14346 * m32r.c: Likewise.
14347 * mn10200.c: Likewise.
14348 * mn10300.c: Likewise.
14349 * ns32k.c: Likewise.
14350 * spur.c: Likewise.
14351 * v850.c: Likewise.
14353 * rtl.h (rtx_equal_function_value_matters): Declare.
14354 * toplev.c (rtx_equal_function_value_matters): Don't declare.
14356 * function.c: Likewise.
14357 * emit-rtl.c: Likewise.
14359 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
14361 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
14364 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14366 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
14369 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
14371 * cpp.texi: Add a node documenting macro varargs (copied
14374 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
14376 * cppspec.c: Put a null pointer at the end of the new argv.
14378 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
14380 * configure.in: Remove code to select/de-select the haifa
14381 scheduler. Every scheduled port gets haifa now.
14382 * configure: Rebuilt.
14383 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
14385 * Makefile.in: Corresponding changes.
14387 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14389 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
14390 All callers changed.
14391 (prepare_float_lib_cmp): Likewise.
14392 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
14393 * expr.h (emit_float_lib_cmp): Delete declaration.
14394 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
14395 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
14396 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
14398 (cmptf): Now conditional on TARGET_HARD_QUAD.
14400 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
14402 * resource.c (mark_target_live_regs): Use
14403 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
14405 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14407 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
14409 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
14411 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
14413 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14415 * rtl.h (rtx_format): Constify a char*.
14417 * rtl.c (rtx_format): Likewise.
14418 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
14419 (init_rtl): Use accessor macro, not `rtx_format'.
14421 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
14424 * caller-save.c (mark_referenced_regs): Likewise.
14426 * combine.c (subst, make_compound_operation, known_cond,
14427 gen_rtx_combine, update_table_tick, get_last_value_validate,
14428 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
14430 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
14431 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
14432 count_reg_usage): Likewise.
14434 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
14437 * final.c (leaf_renumber_regs_insn): Likewise.
14439 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
14440 dump_edge_info, count_reg_references): Likewise.
14442 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
14443 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
14446 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
14447 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
14448 add_label_notes): Likewise.
14450 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
14451 clear_struct_flag, count_sub_rtxs, count_alternatives,
14452 compares_alternatives_p, contained_in_p, walk_attr_value,
14453 write_expr_attr_cache): Likewise.
14455 * genconfig.c (walk_insn_part): Likewise.
14457 * genemit.c (max_operand_1, gen_exp): Likewise.
14459 * genextract.c (walk_rtx): Likewise.
14461 * genflags.c (num_operands): Likewise.
14463 * genoutput.c (scan_operands): Likewise.
14465 * genpeep.c (match_rtx): Likewise.
14467 * genrecog.c (add_to_sequence): Likewise.
14469 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
14472 * integrate.c (save_constants, copy_for_inline,
14473 copy_rtx_and_substitute, subst_constants, restore_constants):
14476 * jump.c (mark_jump_label, invert_exp, redirect_exp,
14477 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
14479 * local-alloc.c (contains_replace_regs, memref_referenced_p):
14482 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
14483 add_label_notes, replace_call_address, count_nonfixed_reads,
14484 invariant_p, find_single_use_in_loop, find_mem_givs,
14485 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
14488 * print-rtl.c (reg_names, print_rtx): Likewise.
14490 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
14492 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
14493 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
14494 print_blocks): Likewise.
14496 * regclass.c (fix_register, record_address_regs,
14497 reg_scan_mark_refs): Likewise.
14499 * regmove.c (stable_but_for_p): Likewise.
14501 * reload.c (loc_mentioned_in_p, operands_match_p,
14502 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
14503 copy_replacements, refers_to_regno_for_reload_p,
14504 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
14505 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
14508 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
14509 delete_address_reloads_1, count_occurrences,
14510 reload_cse_mem_conflict_p, reload_combine_note_use,
14511 add_auto_inc_notes): Likewise.
14513 * resource.c (mark_referenced_resources, mark_set_resources):
14516 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
14517 reg_mentioned_p, regs_set_between_p, modified_between_p,
14518 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
14519 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
14520 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
14521 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
14523 * sched.c (sched_analyze_2, attach_deaths): Likewise.
14525 * stupid.c (stupid_mark_refs): Likewise.
14527 * unroll.c (remap_split_bivs): Likewise.
14529 * varasm.c (mark_constants): Likewise.
14531 * a29k/a29k.c (uses_local_reg_p): Likewise.
14533 * alpha/alpha.c (summarize_insn): Likewise.
14535 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
14536 eliminate_lr2ip): Likewise.
14538 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
14540 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
14541 reg_mentioned_in_mem): Likewise.
14543 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
14544 symbolic_reference_mentioned_p): Likewise.
14546 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
14548 * sh/sh.c (regs_used, mark_use): Likewise.
14550 * vax/vax.c (vax_rtx_cost): Likewise.
14552 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14554 * machmode.h (mode_name): Constify a char*.
14556 * rtl.c (mode_name): Likewise.
14558 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
14560 * optabs.c (init_libfuncs): Constify a char*.
14562 * print-tree.c (mode_name): Remove redundant declaration.
14563 (print_node): Use accessor macro, not `mode_name'.
14565 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
14567 (new_spill_reg): Constify a char*.
14569 * tree.c (mode_name): Remove redundant declaration.
14571 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14573 * rtl.c (rtx_name): Constify a char*.
14575 * rtl.h (rtx_name, fix_sched_param): Likewise.
14577 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
14578 (mypr): Use accessor macro, not `rtx_name'.
14580 * genemit.c (print_code): Constify a char*.
14582 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
14584 * genpeep.c (print_code): Constify a char*.
14586 * genrecog.c (print_code): Likewise.
14588 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
14589 end_bb): Add static prototype.
14590 (draw_edge): Constify a char*.
14591 (end_bb): Remove unused parameter.
14593 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
14594 print_block_visualization): Constify a char*.
14596 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
14598 * c-common.c (c_get_alias_set): Update comment.
14600 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
14602 * linux.h (LIB_SPEC): Added.
14604 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14606 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
14608 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
14610 * tree.c (expr_check): Fix typo in last change.
14612 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
14614 * rtl.def (NOTE): Change format to "iuu0n".
14615 (ADDR_DIFF_VEC): Change format to "eEee0".
14616 (ADDRESSOF): Change format to "eit".
14618 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
14619 (RTVEC_ELT): Change to match.
14620 (XVECEXP): Use XVEC and RTVEC_ELT.
14621 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
14622 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
14623 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
14624 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
14625 TRAP_CONDITION, TRAP_CODE): Use XEXP.
14626 (INTVAL): Use XWINT.
14627 (ADDRESSOF_DECL): Use XTREE.
14628 (SET_ADDRESSOF_DECL): Delete.
14629 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
14630 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
14631 ifdefed out since 2.6 at least.
14632 (gen_rtvec_vv): Delete prototype.
14634 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
14636 (copy_most_rtx): Handle 't' format letter.
14637 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
14638 (gen_rtvec_vv): Delete function. All callers changed to use
14639 gen_rtvec_v instead.
14640 * print-rtl.c (print_rtx): Move special casing of NOTEs to
14641 the '0' format letter.
14643 * function.c (gen_mem_addressof): Don't use
14644 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
14646 * integrate.c (copy_rtx_and_substitute): Likewise.
14647 Copy 't' slots with XTREE.
14648 (subst_constants): Treat 't' slots like '[swi]' slots.
14649 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
14650 * jump.c (rtx_equal_for_thread_p): Likewise.
14651 * rtlanal.c (rtx_equal_p): Likewise.
14652 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
14653 only four arguments.
14654 * gengenrtl.c (type_from_format): Provide correct types for
14658 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
14659 If a recent gcc is in use (always in stage2 and beyond), use
14660 statement expressions, so we don't make a function call unless
14661 the check fails. Evaluate arguments exactly once.
14662 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
14663 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
14665 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
14666 they evaluate their arguments exactly once, irrespective of
14667 the compiler in use.
14669 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
14670 is used by the currently-enabled check macros. This is:
14671 (tree_check_failed, tree_class_check_failed): For gcc.
14672 (tree_check, tree_class_check, cst_or_constructor_check,
14673 expr_check): For other compilers.
14675 * gencheck.c: Do not define any *_CHECK1 macros.
14677 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
14678 Mark Mitchell <mark@codesourcery.com>
14680 * c-common.c (c_get_alias_set): Fix support for poitners and
14683 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
14685 * alias.c: Include tree.h.
14686 (nonlocal_reference_p, mark_constant_function): New functions.
14687 * flow.c (life_analysis): Call mark_constant_function.
14688 * rtl.h (mark_constant_function): Declare it.
14690 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
14692 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
14693 unrecognisable switches.
14695 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14697 * loop.c (recombine_givs): Set ix field after sorting.
14698 (recombine_givs): Remove bogus index / giv lockstep looping.
14700 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14702 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
14704 (emit_store_flag_force): Use do_compare_rtx_and_jump.
14705 (do_cmp_and_jump): Formatting fixes.
14706 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
14707 do_compare_rtx_and_jump instead of compare_from_rtx.
14708 (do_compare_rtx_and_jump): New function; mostly copied from
14710 (do_jump_for_compare): Delete.
14711 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
14713 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
14714 of compare/do_jump_for_compare pairs.
14715 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
14716 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
14717 compare_from_rtx/do_jump_for_compare pairs.
14718 (do_jump_by_parts_equality): Likewise.
14719 (do_jump_by_parts_equality_rtx): Likewise.
14720 * expr.h (do_compare_rtx_and_jump): Declare.
14721 * optabs.c (prepare_cmp_insn): New function, contains most of the code
14722 that used to be in emit_cmp_insn.
14723 (cmp_available_p): New function.
14724 (prepare_operand): New function.
14725 (emit_cmp_and_jump_insn_1): New function, contains some code that used
14726 to be in emit_cmp_insn.
14727 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
14728 parameters to be pointers; don't emit final compare but modify some of
14729 the values pointed to by the args so the caller can perform the
14730 correct comparison.
14731 (expand_binop): Call emit_store_flag_force with signed forms of
14733 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
14734 emit_jump_insn pair.
14735 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
14736 emit_cmp_and_jump_insn_1. Call emit_queue.
14737 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
14739 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
14740 jump sets cc0 before deleting it.
14741 * integrate.c (expand_inline_function): Likewise.
14742 * unroll.c (unroll_loop): Similar changes in several places.
14743 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
14744 before deleting it.
14746 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14748 * Makefile.in (insn-recog.o): Update dependencies.
14749 * genrecog.c (main): Make generated file include "function.h".
14751 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
14753 * cse.c (cse_insn): Call never_reached_warning when a jump is
14754 changed to be unconditional.
14755 * flags.h: Declare warn_notreached.
14756 * flow.c (delete_block): Call never_reached_warning when
14757 a block is deleted.
14758 * jump.c (delete_barrier_successors): Call never_reached_warning
14759 when we delete everything after a BARRIER.
14760 (never_reached_warning): New function.
14761 * rtl.h: Declare never_reached_warning.
14762 * toplev.c (warn_notreached): New variable.
14763 (lang_independent_options): Set warn_notreached
14764 when -Wunreachable-code.
14765 (compile_file): We need line numbers for -Wunreachable-code.
14767 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
14769 * haifa-sched.c (insn_unit): Fix typo on out of range test.
14770 * sched.c (insn_unit): Likewise.
14772 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
14774 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
14776 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14778 * flow.c (create_edge_list): Use xmalloc, not malloc.
14780 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
14782 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
14783 C-style comments. Do not lose the character before double slash.
14785 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14787 * basic-block.h (struct edge_list): Stucture to maintain a vector
14789 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
14790 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
14791 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
14792 New function prototypes.
14793 * flow.c (create_edge_list): Function to create an edge list.
14794 (free_edge_list): Discards memory used by an edge list.
14795 (print_edge_list): Debug output showing an edge list.
14796 (verify_edge_list): Internal consistency check for an edge list.
14797 (find_edge_index): Function to find an edge index for a pred and succ.
14799 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
14801 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
14804 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
14806 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
14808 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14810 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
14812 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
14814 * toplev.c (rest_of_compilation): Allow machine dependent
14815 reorganisation pass to place information into the RTL dump
14816 file if it so wishes.
14818 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
14820 * explow.c (hard_function_value): Use VOIDmode instead of
14822 * stmt.c (expand_return): Likewise.
14823 * stor-layout.c (get_best_mode): Likewise.
14825 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
14826 emit call instead of emit_insn call.
14828 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
14830 * configure.in: Handle --disable/enable-win32-registry.
14831 * install.texi: Document --disable/enable-win32-registry.
14832 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
14833 (WIN32_REGISTRY_KEY): New macro.
14834 * prefix.c: Use to enable/disable win32-specific code.
14835 (lookup_key): Use versioned key.
14836 * configure: Regenerate.
14837 * config.in: Likewise.
14839 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
14841 * cpplib.c (read_line_number): New fn, split out of...
14844 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
14846 tree.c (lang_unsave_expr_now) : New.
14847 (unsave_expr_now): Call lang_unsave_expr_now.
14848 tree.h (lang_unsave_expr_now) : New.
14850 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
14852 * toplev.c (flag_new_exceptions): On by default.
14854 1999-08-13 Michael Meissner <meissner@cygnus.com>
14856 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
14858 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14860 * dwarfout.c (fundamental_type_code): Return FT_boolean for
14861 INTEGER_TYPE with precision==1, it's __java_boolean.
14863 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14865 * global.c (prune_preferences): Move some invariants out of the
14868 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
14870 * configure.in (alpha*-dec-osf*): Add osf5.
14872 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
14874 * configure.in: Rework handling of ARM GNU/Linux slightly.
14875 (arm*-*-linux-gnuoldld): New target.
14876 * configure: Regenerate.
14877 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
14878 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
14879 * config/arm/linux-oldld.h: New file.
14880 * config/arm/linux-elf26.h: Don't include linux-elf.h.
14881 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
14883 * config/arm/linux-elf.h (ASM_SPEC): Define.
14884 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
14885 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
14886 for 26-bit APCS and old linker.
14887 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
14889 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
14890 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
14891 don't define `arm' or `arm_elf'.
14892 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
14893 MULTILIB_DIRNAMES): Define. Fix typo in comment.
14895 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
14897 * rtl.texi: Fix typo.
14899 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
14901 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
14903 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
14905 * extend.texi (C++ Signatures): Remove node.
14906 * invoke.texi: Remove discussion of -fhandle-signatures,
14907 signature, sigof, __signature__, and __sigof__.
14909 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
14911 * Makefile.in (JAVAGC): Removed.
14913 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
14915 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14917 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
14919 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
14921 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
14923 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
14924 a register that is already known to be a pointer.
14926 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
14928 * fixinc/inclhack.tpl: Only install assert.h conditionally.
14929 * fixinc/inclhack.sh: Regenerated.
14930 * fixinc/fixincl.sh: Regenerated.
14932 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
14934 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
14935 Fix documentation of -ansi flag to describe its C++ behavior.
14936 Remove bogus reference to GCC 2.9.
14938 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
14940 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
14941 note if it is non-NULL.
14943 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14945 * except.h (eh_nesting_info): Add new structure defintion.
14946 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
14947 (reachable_handlers, update_rethrow_references): Add function
14949 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
14950 a rethrow symbol instead of an integer exception region number.
14951 * flow.c (Make_edges): Use new exception nesting routines to determine
14952 which handlers are reachable from a CALL or asynchronous insn.
14953 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
14955 (delete_eh_regions): Update rethrow labels, and don't delete
14956 regions which are the target of a rethrow.
14957 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
14958 avoid overloading the SYMBOL_REF_USED flag.
14959 (rethrow_symbol_map): Use new rethrow_ref field.
14960 (rethrow_used): Use new rethrow_ref field.
14961 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
14962 of an integer. Fix formatting.
14963 (output_exception_table_entry): Use new rethrow_ref field.
14964 (can_throw): Check for EH_REGION_NOTE before deciding
14965 whether a CALL can throw or not.
14966 (scan_region): Call rethrow_used() instead of accessing data structure.
14967 (update_rethrow_references): New function to make sure only regions
14968 which are still targets of a rethrow are flagged as such.
14969 (process_nestinfo): New static function to initialize a handler
14970 list for a specific region.
14971 (init_eh_nesting_info): New function to allocate and initialize
14972 the list of all EH handlers reachable from all regions.
14973 (reachable_handlers): New function to retrieve the list of handlers
14974 reachable from a specific region and insn.
14975 (free_eh_nesting_info): New function to dispose of a list of
14976 reachable handlers.
14978 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
14980 * flow.c (split_edge): Set JUMP_LABEL field.
14981 (commit_one_edge_insertion): Set head correctly for insert_before.
14982 When inserting insns, update insn block numbers if allocated.
14984 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14986 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
14987 retry_incomplete_types): Add static prototype.
14988 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
14989 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
14990 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
14991 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
14992 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
14995 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
14996 dwarf2out_start_source_file, dwarf2out_line): Likewise.
14998 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15000 * output.h (assemble_name): Constify a char*.
15002 * varasm.c (UNIQUE_SECTION, assemble_start_function,
15003 assemble_variable, assemble_name): Likewise.
15005 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
15007 * arm/pe.c (arm_pe_unique_section): Likewise.
15009 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
15011 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
15013 * i386/interix.c (i386_pe_unique_section): Likewise.
15015 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
15017 * i386/winnt.c (i386_pe_unique_section): Likewise.
15019 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
15021 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
15023 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
15025 * pa/pa.c (output_call): Likewise.
15027 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
15029 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
15031 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
15034 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
15037 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
15039 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
15040 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
15042 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
15044 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15046 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
15048 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15050 * tree.h (lang_identify): Constify a char*.
15051 (print_error_function): Add extern prototype. Constify a char*.
15053 * c-lang.c (lang_identify): Constify a char*.
15055 * objc/objc-act.c (lang_identify): Constify a char*.
15057 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15059 * genpeep.c (main): Make generated file include "function.h".
15060 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
15062 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15064 * Makefile.in: Update dependencies.
15065 * alias.c: Include "function.h"
15066 * c-decl.c: Likewise.
15067 * caller-save.c: Likewise.
15068 * calls.c: Likewise.
15069 * combine.c: Likewise.
15071 * explow.c: Likewise.
15072 * final.c: Likewise.
15073 * global.c: Likewise.
15074 * graph.c: Likewise.
15075 * local-alloc.c: Likewise.
15076 * loop.c: Likewise.
15077 * optabs.c: Likewise.
15078 * profile.c: Likewise.
15079 * recog.c: Likewise.
15080 * regclass.c: Likewise.
15081 * regmove.c: Likewise.
15082 * reload.c: Likewise.
15083 * reorg.c: Likewise.
15084 * resource.c: Likewise.
15085 * sched.c: Likewise.
15086 * stupid.c: Likewise.
15087 * config/1750a/1750a.c: Likewise.
15088 * config/a29k/a29k.c: Likewise.
15089 * config/arc/arc.c: Likewise.
15090 * config/arm/arm.c: Likewise.
15091 * config/arm/thumb.c: Likewise.
15092 * config/c4x/c4x.c: Likewise.
15093 * config/clipper/clipper.c: Likewise.
15094 * config/convex/convex.c: Likewise.
15095 * config/fx80/fx80.c: Likewise.
15096 * config/i860/i860.c: Likewise.
15097 * config/m68k/m68k.c: Likewise.
15098 * config/m88k/m88k.c: Likewise.
15099 * config/mips/mips.c: Likewise.
15100 * config/pdp11/pdp11.c: Likewise.
15101 * config/pyr/pyr.c: Likewise.
15102 * config/romp/romp.c: Likewise.
15103 * config/sh/sh.c: Likewise.
15104 * config/tahoe/tahoe.c: Likewise.
15105 * config/vax/vax.c: Likewise.
15106 * config/we32k/we32k.c: Likewise.
15107 * config/sparc/sparc.c: Include "function.h".
15108 (mem_min_alignment): Test current_function rather than
15109 regno_pointer_align.
15110 * config/pa/pa.c: Likewise.
15111 (compute_frame_size): Delete declaration of
15112 current_function_outgoing_args_size.
15113 * config/arc/arc.h (current_function_varargs): Delete declaration.
15114 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
15116 * config/i370/i370.h (current_function_outgoing_args_size): Delete
15118 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
15119 current_function_uses_pic_offset_table.
15120 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
15121 of current_function_returns_pointer.
15122 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15123 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15124 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15125 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15126 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15127 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
15128 * config/m88k/m88k.c: Include "function.h"
15129 (call_used_regs, current_function_pretend_args_size,
15130 current_function_outgoing_args_size, frame_pointer_needed): Delete
15132 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
15134 * config/mips/mips.h (current_function_calls_alloca): Delete
15136 * config/mn10200/mn10200.h (current_function_needs_context,
15137 rtx_equal_function_value_matters): Delete declarations.
15138 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
15139 flag_pic): Delete declarations.
15140 * config/pa/pa.h (current_function_pretend_args_size,
15141 current_function_decl): Delete declarations.
15142 * config/pa/som.h (current_function_varargs): Delete declaration.
15143 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
15145 * config/pyr/pyr.h (current_function_pretend_args_size,
15146 current_function_args_size, current_function_calls_alloca): Delete
15148 * config/sh/sh.h (current_function_varargs): Delete declaration.
15149 * config/sparc/sparc.h (current_function_outgoing_args_size,
15150 current_function_calls_alloca, current_function_decl): Delete
15152 * config/spur/spur.h (current_function_pretend_args_size,
15153 current_function_calls_alloca): Delete declarations.
15154 * config/v850/v850.c (current_function_outgoing_args_size): Delete
15156 * config/vax/vms.h (current_function_name): Delete declaration.
15157 * gcse.c: Include "function.h".
15158 (current_function_name, current_function_calls_setjmp): Delete
15160 * haifa-sched.c: Include "function.h".
15161 (forced_labels): Delete declaration.
15162 * jump.c: Likewise.
15163 * reg-stack.c: Likewise.
15164 * reload1.c: Likewise.
15165 * genemit.c (main): Make generated file include function.h.
15166 * genoutput.c (output_prologue): Likewise.
15168 * builtins.c (saveregs_value, apply_args_value): Delete variables.
15169 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
15170 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
15171 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
15172 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
15173 macros for some of them.
15174 (emit_filename, emit_lineno): Delete declarations.
15175 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
15176 regno_pointer_* variables through current_function.
15177 (gen_inline_header_rtx): Delete function.
15178 (save_emit_status): Delete function.
15179 (set_new_last_label_num): New function.
15180 (clear_emit_caches): New function.
15181 (restore_emit_status): Just clear last_labelnum and call
15183 (get_last_insn_anywhere): Variable sequence_stack is now accessed
15184 through macro seq_stack.
15185 (add_insn_after): Likewise.
15186 (add_insn_before): Likewise.
15187 (remove_insn): Likewise.
15188 (pop_topmost_sequence): Likewise.
15189 (in_sequence_p): Likewise.
15190 (start_sequence_for_rtl_expr): Likewise.
15191 (start_sequence): Likewise, and likewise for
15192 sequence_rtl_expr/seq_rtl_expr.
15193 (push_topmost_sequence): Likewise.
15194 (end_sequence): Likewise.
15195 (init_virtual_regs): Now takes a "struct emit_status *" argument.
15196 All callers changed. Store into that pointer instead of globals.
15197 (init_emit): Allocate emit elt of current_function.
15198 Changes for sequence_rtl_expr/sequence_stack renaming.
15199 Call clear_emit_caches instead of doing it in-line.
15200 Access regno_pointer_* variables through current_function.
15201 (init_emit_once) Don't clear sequence_stack.
15203 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
15205 (arg_pointer_save_area): Delete declaration.
15206 (finish_expr_for_function): Renamed from init_queue; no longer static.
15207 (init_expr): Don't call init_queue.
15208 (save_expr_status, restore_expr_status): Delete functions.
15209 (expand_expr): Changes to reflect new layout of struct function.
15210 Don't access current_function_check_memory_usage when current_function
15212 * expr.h (forced_labels, save_expr_regs, saveregs_value,
15213 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
15214 current_function_outgoing_args_size, current_function_arg_offset_rtx,
15215 current_function_uses_const_pool, function_call_count,
15216 current_function_uses_pic_offset_table, nonlocal_labels,
15217 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
15218 current_function_check_memory_usage, nonlocal_goto_handler_slots,
15219 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
15221 (finish_expr_for_function): Declare.
15222 * flags.h (current_function_has_nonlocal_label,
15223 current_function_has_nonlocal_goto, current_function_is_thunk,
15224 current_function_has_computed_jump): Delete declarations.
15225 * flow.c (forced_labels): Delete declaration.
15226 * function.c (current_function_pops_args,
15227 current_function_returns_struct, current_function_returns_pcc_struct,
15228 current_function_needs_context, current_function_calls_setjmp,
15229 current_function_calls_longjmp, current_function_has_nonlocal_label,
15230 current_function_has_nonlocal_goto, current_function_is_thunk,
15231 current_function_has_computed_jump, current_function_calls_alloca,
15232 current_function_contains_functions, current_function_returns_pointer,
15233 current_function_epilogue_delay_list, current_function_args_size,
15234 current_function_pretend_args_size, current_function_arg_offset_rtx,
15235 current_function_outgoing_args_size, current_function_varargs,
15236 current_function_stdarg, current_function_args_info, cleanup_label,
15237 current_function_name, current_function_uses_const_pool,
15238 current_function_instrument_entry_exit, current_function_return_rtx,
15239 current_function_uses_pic_offset_table, nonlocal_labels,
15240 current_function_internal_arg_pointer, current_function_cannot_inline,
15241 current_function_check_memory_usage, function_call_count,
15242 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
15243 nonlocal_goto_stack_level, return_label, save_expr_regs,
15244 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
15245 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
15246 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
15247 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
15248 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
15250 (push_function_context_to): Don't save them. Don't call
15251 save_storage_status, save_emit_status or save_expr_status.
15252 (pop_function_context_from): Don't restore them. Don't call
15253 restore_storage_status or restore_expr_status.
15254 (get_func_frame_size): New function.
15255 (get_frame_size): Use it.
15256 (assign_outer_stack_local): Reflect some member name changes in struct
15258 (put_reg_into_stack): Likewise.
15259 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
15261 (fixup_var_refs): Likewise.
15262 (fix_lexical_addr): Likewise.
15263 (trampoline_address): Likewise.
15264 (prepare_function_start): Clear field inlinable of current_function.
15265 (init_function_for_compilation): New function.
15266 (expand_dummy_function_end): New function.
15267 (expand_function_end): Call finish_expr_for_function.
15268 * function.h (struct emit_status): New; fields moved here from struct
15269 function and from global variables. Add accessor macros for some of
15271 (struct expr_status): Likewise.
15272 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
15273 (struct function): Add fields expr and emit, inlinable, inl_emit,
15274 original_arg_vector, original_decl_initial, inl_last_parm_insn,
15275 inl_max_label_num. Add many comments.
15276 Add accessor macros for all elts of struct function that no longer
15277 have a global variable.
15278 (cleanup_label, return_label, frame_offset, tail_recursion_label,
15279 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
15280 stack_slot_list): Delete declarations.
15281 (get_func_frame_size): Declare.
15282 (save_expr_status, restore_expr_status, save_emit_status,
15283 save_storage_status, restore_storage_status): Delete declarations.
15284 (init_virtual_regs): Declare.
15285 * output.h (current_function_pops_args,
15286 current_function_returns_struct, current_function_returns_pcc_struct,
15287 current_function_needs_context, current_function_calls_setjmp,
15288 current_function_calls_longjmp, current_function_calls_alloca,
15289 current_function_has_nonlocal_label, current_function_varargs,
15290 current_function_has_computed_jump, current_function_returns_pointer,
15291 current_function_contains_functions, current_function_args_size,
15292 current_function_pretend_args_size, current_function_stdarg,
15293 current_function_outgoing_args_size, current_function_args_info,
15294 current_function_name, current_function_return_rtx,
15295 current_function_epilogue_delay_list,
15296 current_function_uses_const_pool, current_function_cannot_inline):
15297 Delete declarations.
15298 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
15299 regno_reg_rtx): Delete declaration.
15300 (REGNO_POINTER_FLAG): Delete macro.
15301 * stmt.c (expand_goto): Changes to reflect that some fields in struct
15302 function were renamed.
15303 * stor-layout.c (save_storage_status, restore_storage_status): Delete
15305 * toplev.c: Include "function.h".
15306 (current_function_decl): Delete declaration.
15307 (compile_file): Call init_dummy_function_start and
15308 expand_dummy_function_end around some initializations that need to
15310 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
15311 Call init_function_for_compilation.
15312 * unroll.c: Include "function.h"
15313 (unroll_loop): Access regno_pointer_* variables through
15316 * tree.h (struct tree_decl): Add elt f to saved_insns member.
15317 (DECL_SAVED_INSNS): use it.
15318 (expand_dummy_function_end): Declare.
15319 (init_function_for_compilation): Declare.
15320 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
15321 that it's no longer an INLINE_HEADER.
15322 (expand_call): Likewise.
15323 * integrate.c (finish_inline): Delete function.
15324 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
15325 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
15326 args. Don't generate an INLINE_HEADER rtx, just return the arg
15327 vector. All callers changed.
15328 (save_for_inline_copying): Create a duplicate struct emit_status to
15329 hold the emit state for compiling the current function. Use this and
15330 the other new fields in struct function that are for integration
15331 instead of an INLINE_HEADER.
15332 Use memcpy instead of bcopy.
15333 Store the current struct function in DECL_SAVED_INSNS of fndecl.
15334 (save_for_inline_nocopy): Similar changes, except no new emit_status
15336 (expand_inline_function): Get information from function structure,
15337 not from an inline header rtx.
15338 (output_inline_function): Lose code to extract the necessary
15339 information from an inline header; simply put back the function
15340 structure into current_function. Clear its inlinable elt.
15341 * rtl.def (INLINE_HEADER): Delete.
15342 * rtl.h: Delete all accessors for an INLINE_HEADER.
15343 (gen_inline_header_rtx): Delete declaration.
15344 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
15345 Delete declarations.
15346 (REGNO_POINTER_ALIGN): Delete.
15347 (clear_emit_caches): Declare.
15348 (set_new_last_label_num): Declare.
15350 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
15352 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
15354 * except.c (expand_eh_region_start_for_decl): Always start a new block.
15355 * stmt.c (is_eh_region): Make sure current_function is present, too.
15357 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
15359 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
15360 for 64bit PA targets.
15362 * pa.h (SELECT_SECTION): Define.
15363 * som.h (SELECT_SECTION): Delete.
15365 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15367 * alias.c (init_alias_analysis): Wrap call to
15368 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
15370 1999-08-07 Bruce Korb <autogen@linuxbox.com>
15372 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
15373 <sys/asm.h> contains an asm comment with an apostrophe
15374 * fixinc/inclhack.sh: regen
15375 * fixinc/fixincl.x: regen
15377 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
15379 * function.c (init_function_start): Clear prologue & epilogue.
15380 (prologue_epilogue_contains): New function.
15381 * alias.c (init_alias_analysis): Use it.
15382 * rtl.h (prologue_epilogue_contains): Declare it.
15384 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
15386 * jump.c (onlyjump_p): New function.
15387 * rtl.h: Declare it.
15388 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
15389 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
15391 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
15393 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
15394 to invert loops. Simplify block scanning.
15396 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15398 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
15399 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
15401 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
15403 * config/sparc/liteelf.h: New file to support sparclite-elf target
15404 * config/sparc/t-sp86x: New file to support sparc86x targets
15405 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
15406 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
15407 * configure.in: Support above target triplets
15408 * configure: Regenerated
15410 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
15412 * fixinc/server.c (server_setup): Do not prefix function used as
15413 parameter with `&'.
15415 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
15417 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
15418 Remove fp reg alternatives.
15420 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
15422 * Makefile.in (TAROUTOPTS): Kill.
15423 (install-headers-tar): Use "xpf" for tar headerfile extraction
15424 * i370/x-oe (TAROUTOPTS): Delete.
15425 * m68k/x-apollo68 (TAROUTOPTS): Delete.
15426 * m68k/x-hp320 (TAROUTOPTS): Delete.
15427 * m68k/x-hp320g (TAROUTOPTS): Delete.
15428 * gcc.texi: Update bug reporting text.
15430 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15432 * reg-stack.c (change_stack) Fixed problem with negative array index.
15434 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
15436 * extend.texi, install.texi: Fix spelling mistakes.
15438 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
15439 (s-attrtab); No longer try to use pre-made insn-attrtab file.
15440 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
15441 PREMADE_ATTRTAB_MD.
15442 * mips/t-ecoff: Likewise.
15443 * mips/t-elf: Likewise.
15444 * mips/t-mips: Likewise.
15445 * mips/t-osfrose: Likewise.
15446 * mips/t-r3900: Likewise.
15447 * mips/t-svr3: Likewise.
15448 * mips/t-svr4: Likewise.
15449 * mips/t-ultrix: Likewise.
15451 * gcc.texi: Document recommend means to provide software floating
15452 point libraries in libgcc.a
15454 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
15456 * c-lex.c (yylex): We can have a number with no digits.
15458 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
15460 * jump.c (delete_prior_computation): New function, broken
15461 out of delete_computation. Check for side effects with
15462 side_effects_p instead of FIND_REG_INC_NOTE. Handle
15463 multi-word hard registers.
15464 (delete_computation): Use it. Check for side effects with
15465 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
15466 missing REG_DEAD note for a register which is both set and
15469 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
15471 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
15472 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
15473 (ASM_FILE_START): Import _mcount with the right type.
15474 (ASM_DECLARE_FUNCTION_NAME): Define.
15475 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
15476 * pa.c (output_function_prologue): Always emit the function's label
15478 * pa.h (TEXT_SPACE_P): Define.
15479 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15480 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
15481 * som.h (TEXT_SPACE_P): Delete.
15482 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
15483 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
15485 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
15487 * expr.c (emit_group_load): Allow src to be a CONCAT.
15489 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15491 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
15492 (___mulsi3): Use '!' comment character.
15494 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15496 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
15498 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
15500 * gcc.c: Update URLs and mail addresses.
15501 * gcc.texi: Likewise.
15503 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
15505 * rs6000.c (current_file_function_operand): Return zero for
15507 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
15509 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
15512 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
15514 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
15515 allocate space in the stack frame for the PIC register.
15517 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
15519 * m68k.md (xordi3, anddi3): These patterns are not available on
15522 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
15524 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
15525 (PUT_REAL): Likewise.
15527 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15529 * final.c (shorten_branches): Don't add an alignment for loops
15530 that have no label inside.
15532 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15534 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
15535 prototypes in macro HAVE_cmpstrsi.
15537 * cpplib.c (cpp_get_token): Remove unused label `op3'.
15539 * emit-rtl.c (operand_subword): Remove unused variable
15542 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
15544 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
15546 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
15548 * cpphash.c (macroexpand): Delete leading whitespace when arg
15549 is concatenated before.
15550 (unsafe_chars): Correct test for whether + and - can extend a
15553 * cppinit.c (cpp_start_read): Do dependencies for
15554 -include/-imacros files also.
15556 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
15557 tokenizing non-directive lines.
15558 (cpp_expand_to_buffer): Temporarily disable no-output mode.
15559 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
15562 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15564 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
15566 * c-lex.c: Sync with C++ frontend.
15567 (linemode): New variable.
15568 (parse_float): imag, conversion_errno, and type are output only.
15569 (yylex): Adjust. Move initial '.' case into main switch.
15571 (handle_generic_pragma): Just deal with tokens.
15572 (readescape): Use ISXDIGIT and ISGRAPH.
15573 * c-parse.in: Add END_OF_LINE token.
15575 * c-lex.c (lang_init): Generalize.
15576 (nextchar): Remove. Replace uses with UNGETC.
15577 (skip_white_space): Handle linemode here. Optimize for cpplib.
15578 (skip_white_space_on_line): Remove.
15579 (extend_token_buffer_to): New fn.
15580 (extend_token_buffer): Use it.
15581 (read_line_number, check_newline): Just deal with tokens.
15582 (token_getch, token_put_back): New fns.
15583 (yylex): Use them. More cpplib optimizations. Simplify.
15585 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15586 Jason Merrill <jason@yorick.cygnus.com>
15588 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
15589 (consume_string): Make this smart about USE_CPPLIB.
15590 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
15591 (yylex): Rewrite to be intelligent about USE_CPPLIB.
15592 Also, clean up cases where we redundantly set token_buffer[0].
15593 (read_line_number): New fn.
15594 (ignore_escape_flag): New variable.
15596 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
15598 * a29k/t-a29kbare: Fix some comments.
15599 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
15600 (FPBIT, DPBIT): Define.
15601 * a29k/t-vx29k: Likewise.
15602 * arc/t-arc: Likewise.
15603 * arm/t-arm-elf: Likewise.
15604 * arm/t-bare: Likewise.
15605 * arm/t-pe: Likewise.
15606 * arm/t-pe-thumb: Likewise.
15607 * arm/t-semi: Likewise.
15608 * arm/t-thumb: Likewise.
15609 * arm/t-thumb-elf: Likewise.
15610 * arm/t-thumb-linux: Likewise.
15611 * h8300/t-h8300: Likewise.
15612 * i960/t-i960: Likewise.
15613 * i960/t-vxworks960: Likewise.
15614 * m32r/t-m32r: Likewise.
15615 * mips/t-ecoff: Likewise.
15616 * mips/t-elf: Likewise.
15617 * mips/t-r3900: Likewise.
15618 * pa/t-pro: Likewise.
15619 * rs6000/t-aix43: Likewise.
15620 * rs6000/t-beos: Likewise.
15621 * rs6000/t-newas: Likewise.
15622 * rs6000/t-ppccomm: Likewise.
15623 * rs6000/t-rs6000: Likewise.
15624 * rs6000/t-winnt: Likewise.
15625 * rs6000/t-xnewas: Likewise.
15626 * rs6000/t-xrs6000: Likewise.
15627 * sh/t-sh: Likewise.
15628 * sparc/t-elf: Likewise.
15629 * sparc/t-sparcbare: Likewise.
15630 * sparc/t-sparclite: Likewise.
15631 * sparc/t-splet: Likewise.
15632 * v850/t-v850: Likewise.
15633 * mn10200/t-mn10200: Fix comments.
15634 * mn10300/t-mn10300: Likewise.
15636 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
15637 dummy operand. Allocate a new pseudo for the dummy operand.
15638 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
15640 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
15642 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
15644 * configure: Rebuilt.
15645 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
15647 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
15649 * recog.c (preproces_constraints): Zero recog_op_alt before
15650 processing the constraints.
15652 * arm.c (typedef minipool_node): Renamed from pool_node.
15653 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
15654 (add_minipool_constant): New function.
15655 (dump_minipool): New function.
15656 (find_barrier): Remove special case for getting the insn size of
15657 an insn that references the constant pool.
15658 (minipool_fixup): New structure.
15659 (push_minipool_barrier): New function.
15660 (push_minipool_fix): New function.
15661 (note_invalid_constants): New function.
15662 (add_pool_constant, dump_table, fixit, broken_move): Delete.
15663 (arm_reorg): Rewrite code to fix up the constant pool into a
15664 series of mini-pools embedded in the insn stream.
15665 (arm_output_epilogue): New function, made mainly from the body
15666 of output_func_epilogue.
15667 (output_func_epilogue): Move insn generation part of epilogue code
15668 to arm_output_epilogue.
15669 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
15670 * arm.md (pool_range): New attribute.
15671 (zero_extendqidi2): Add attribute pool_range.
15672 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
15673 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
15674 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
15675 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
15676 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
15677 (epilogue): New expand.
15678 (epilogue_insn): New insn. Call arm_output_epilogue.
15680 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
15681 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
15683 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
15685 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
15687 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
15689 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
15691 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
15693 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
15695 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
15697 * global.c: Fix comment.
15699 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
15701 * gcc.c (access_check): New static function.
15702 (find_a_file): Use it when searching a directory list.
15703 * collect2.c (find_a_file): Don't accept directories found when
15704 searching a directory list.
15706 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
15708 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
15709 function parameters with `&'.
15710 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
15712 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
15714 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
15715 or tidy_fallthru_edge if the last insn in the block is not
15716 an unconditional jump or a simple conditional jump.
15718 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15720 * Makefile.in (c-decl.o): Depends on defaults.h.
15722 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
15724 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
15726 (CLASS_MAX_NREGS): Likewise.
15728 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
15730 * cse.c (cse_insn): Fix dumb thinko in last change.
15732 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15734 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
15737 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
15739 * dwarf2out.c (add_location_or_const_value_attribute): Correct
15740 test for sizes of passed and declared parameter types.
15742 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15744 * fixincludes: Fix the return type of bsearch, char* -> void*.
15746 * fixinc/inclhack.def: Likewise.
15748 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
15750 * invoke.texi (-fdump-translation-unit): New option.
15752 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
15754 * expr.h (PROMOTE_PROTOTYPES): Move ...
15755 * defaults.h: ... to here.
15756 * c-decl.c: Include defaults.h instead of expr.h.
15757 * c-typeck.c: Include defaults.h.
15759 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
15761 * toplev.h (errorcount): Declare.
15762 (warningcount): Likewise.
15763 (sorrycount): Likewise.
15764 * c-lex.c (errorcount): Don't declare.
15765 * dwarf2out.c (errorcount): Don't declare.
15767 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
15769 * config/libgloss.h: Add a note discouraging use with ELF.
15770 * configure.in: Don't use libgloss.h for ELF targets.
15771 Always use_collect2 on a.out targets.
15773 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
15775 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
15776 (force_to_mode, case ASHIFTRT): Add shiftrt label.
15778 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15780 * loop.c (strength_reduce): When doing biv->giv conversion, update
15781 reg note of NEXT->insn.
15783 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15785 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
15787 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15789 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
15790 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
15791 Ensure expr.h is included.
15792 * c-typecheck.c (convert_arguments): Ditto.
15794 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
15796 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
15797 * config/convex/convex.h: Ditto.
15798 * config/dsp16xx/dsp16xx.h: Ditto.
15799 * config/fx80/fx80.h: Ditto.
15800 * config/gmicro/gmicro.h: Ditto.
15801 * config/i370/i370.h: Ditto.
15802 * config/i386/i386.h: Ditto.
15803 * config/m32r/m32r.h: Ditto.
15804 * config/m68k/m68k.h: Ditto.
15805 * config/m88k/m88k.h: Ditto.
15806 * config/mips/mips.h: Ditto.
15807 * config/pa/pa.h: Ditto.
15808 * config/pyr/pyr.h: Ditto.
15809 * config/tahoe/tahoe.h: Ditto.
15810 * config/we32k/we32k.h: Ditto.
15812 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
15813 based on arch size.
15815 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
15817 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
15820 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
15822 1999-08-02 Richard Henderson <rth@cygnus.com>
15824 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
15825 for the register spill block.
15826 (m32r_va_arg): New.
15827 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
15828 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
15830 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
15831 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
15832 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
15834 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15836 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
15837 MAX_WCHAR_TYPE defined in sparc.h.
15838 * config/sparc/linuxaout.h: Likewise.
15839 * config/sparc/linux64.h: Likewise.
15840 Also default to -mvis if CPU is UltraSPARC.
15842 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15844 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
15845 (RTX_OK_FOR_OLO10): Likewise.
15846 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
15847 %lo(), allow it in addresses...
15848 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
15849 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
15850 does not make sense.
15851 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
15852 (sparc_output_scratch_registers): New function.
15853 (output_function_prologue, sparc_flat_output_function_prologue): Use
15855 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
15857 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
15858 * configure.in: Add check for .register pseudo-op support in as and
15859 check for offsetable %lo().
15860 * acconfig.h: Add templates for the above checks.
15861 * configure: Regenerate.
15863 1999-08-02 Richard Henderson <rth@cygnus.com>
15865 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
15866 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
15867 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
15869 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15871 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
15874 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
15876 * config/float-sparc.h: New file.
15877 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
15878 sparc-*-linux-gnu and sparc64-*-linux*.
15880 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15882 * rs6000.c (rs6000_va_list): Type is an array.
15883 (rs6000_va_start): Don't doubly adjust for varargs.
15884 (rs6000_va_arg): Evaluate long long GPR adjustment.
15886 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
15888 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
15889 -maix64 and -maix32.
15890 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
15891 LINK_SPEC): Change appropriately.
15892 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
15893 (u_short_cint_operand): Likewise.
15894 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
15896 * rs6000/t-aix43 (MULTILIB): Change to -m64.
15898 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
15900 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
15902 * rs6000/rs6000.c (num_insns_constant_wide): Correct
15903 for type promotion.
15904 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
15905 (non_add_cint_operand): Likewise.
15906 (logical_operand): Likewise.
15907 (non_logical_cint_operand): Likewise.
15908 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
15909 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
15910 (rs6000_select_rtx_section): Suppress warning.
15911 (small_data_operand): Suppress warning.
15912 (rs6000_got_register): Suppress warning.
15913 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
15914 type, so `J' is generally the wrong constraint for a SImode value;
15916 (andsi3_internal2): Likewise.
15917 (andsi3_internal3): Likewise.
15918 (iorsi3_internal1): Likewise.
15919 (xorsi3_internal1): Likewise.
15921 (movsf_softfloat): Likewise.
15922 (scc insns): Likewise.
15923 (movsi+2): Preserve sign bits of SImode constant.
15924 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
15925 (movdf+1): Sign-extend properly.
15926 (movdi_32+1): Sign-extend properly.
15927 (scc insns): Sign-extend properly.
15929 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
15932 1999-08-02 Richard Henderson <rth@cygnus.com>
15934 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
15935 -mcpu parsing code.
15936 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
15937 * alpha.md (all fp insns): Likewise.
15939 1999-08-02 Nick Clifton <nickc@cygnus.com>
15941 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
15944 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
15946 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
15947 pic_load_label generator directly.
15948 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
15949 No longer a named pattern.
15951 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
15953 * explow.c (force_reg): Call force_operand if X does not
15954 satisfy general_operand.
15956 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
15958 * fix-header.c (main): When testing for CONTINUED, use string
15959 equality, not pointer equality.
15961 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
15963 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
15965 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
15967 * cse.c (cse_insn): Fix loop which deletes insns after a jump
15968 that has become an unconditional jump.
15970 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
15971 (output_function_epilogue): Similarly.
15973 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15975 * tree.h (init_dummy_function_start): Declare.
15977 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15979 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
15980 last_expr_type, last_expr_value, block_start_count, block_stack,
15981 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
15982 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
15983 dynamically in stmt elt of struct function for each function.
15984 (struct nesting): Rename function_call_count elt to n_function_calls,
15985 target_temp_slot_level to block_target_temp_slot_level. All users
15987 (struct stmt_status): New structure definition.
15988 Add many accessor macros for stmt_status elements which previously
15989 were global variables.
15990 (init_stmt_for_function): Allocate stmt elt for current_function.
15991 Reflect that block_start_count was renamed to
15992 current_block_start_count.
15993 (save_stmt_status, restore_stmt_status): Delete functions.
15994 (preserve_subexpressions_p): Don't access loop_stack when outside
15996 (expand_start_bindings): Reflect that block_start_count was renamed to
15997 current_block_start_count.
15998 (expand_fixup): Likewise.
15999 (expand_decl): Don't access block_stack when outside a function.
16000 (expand_decl_cleanup): Likewise.
16001 (expand_dcc_cleanup): Likewise.
16002 (expand_dhc_cleanup): Likewise.
16003 (expand_anon_union_decl): Likewise.
16004 (set_file_and_line_for_stmt): New function.
16005 (in_control_zone_p): New function.
16007 * function.h (struct function): Add new elt stmt.
16008 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
16009 case_stack, nesting_stack, nesting_depth, block_start_count,
16010 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
16011 emit_lineno, goto_fixup_chain.
16012 (save_eh_status, restore_eh_status, save_stmt_status,
16013 restore_stmt_status): Delete declarations.
16014 * function.c (push_function_context_to): Don't call save_stmt_status.
16015 (pop_function_context_to): Don't call restore_stmt_status.
16016 * tree.h (in_control_zone_p): Declare.
16017 * rtl.h (set_file_and_line_for_stmt): Declare.
16019 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
16020 call set_file_and_line_for_stmt.
16022 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
16024 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
16025 Also update copyright.
16027 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16029 * c-pragma.c: Don't include "except.h".
16030 * emit-rtl.c: Likewise.
16031 * stor-layout.c: Likewise.
16032 * tree.c: Likewise.
16033 * varasm.c: Likewise.
16035 * flow.c: Include "function.h".
16036 * tree.h (init_dummy_function_start): Declare new function.
16038 * except.h (struct eh_status): New structure.
16039 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
16041 (eh_return_stub_label, ehstack, catchstack, ehqueue,
16042 catch_clauses, false_label_stack, caught_return_label_stack,
16043 protect_list, current_function_ehc): Add accessor macros for the
16044 corresponding fields in current_function->eh; delete declarations
16045 for all items that used to be declared here.
16046 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
16047 catch_clauses, false_label_stack, caught_return_label_stack,
16048 protect_list, current_function_ehc): Delete variables.
16049 (init_eh_for_function): Allocate current_function->eh.
16050 (save_eh_status, restore_eh_status): Delete functions.
16052 * function.h (struct function): Add fields next_global and eh.
16053 Delete all exception handling related fields.
16054 * function.c (current_function): New variable.
16055 (all_functions): New variable.
16056 (push_function_context_to): Don't allocate a struct function,
16057 use current_function instead. Call init_dummy_function_start when
16058 outside a function. Clear current_function before returning.
16059 (pop_function_context_from): Restore current_function.
16060 Don't free the restored struct function.
16061 (prepare_function_start): New function.
16062 (init_dummy_function_start): New function.
16063 (init_function_start): Break out some code into prepare_function_start
16066 * stmt.c (save_stmt_status): Don't call save_eh_status.
16067 (restore_stmt_status): Don't call restore_eh_status.
16069 * Makefile.in: Update dependencies.
16071 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
16073 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
16074 of depending on a magic constant value. Update comments.
16075 (hppa_expand_prologue): Similarly.
16077 * pa.md (reload_indi, reload_outdi): Allow any register for the
16078 original reload register.
16080 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
16082 * cccp.c (print_help): Change marcos to macros.
16084 1999-07-30 Richard Henderson <rth@cygnus.com>
16086 * c-typeck.c (initializer_constant_valid_p): Move ...
16087 * c-common.c (initializer_constant_valid_p): ... here. Use
16088 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
16089 of label addresses.
16090 * c-common.h (initializer_constant_valid_p): Declare.
16091 * c-tree.h (initializer_constant_valid_p): Remove.
16093 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
16095 * config/i386/sol2-c1.asm: Align the stack.
16096 * config/i386/sol2-gc1.asm: Likewise.
16098 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
16100 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
16101 -Asparclite for sparc86x.
16102 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
16104 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
16106 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
16108 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
16109 the user if using the non-default arch size in BI_ARCH configuration.
16110 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
16112 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
16113 Fix patterns so that they actually match.
16114 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
16115 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
16116 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
16118 (mulsidi3): Reflect this in the expand.
16119 (smulsi3_highpart): Only on TARGET_ARCH32.
16120 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
16121 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
16122 (umulsidi3): Reflect this in the expand.
16123 (umulsi3_highpart): Only on TARGET_ARCH32.
16124 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
16125 don't require g0 to be zero.
16126 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
16127 ({,u}divsi3): New expands.
16128 ({,u}divsi3_sp64): New patterns.
16129 (after lshrdi3_v8plus): Four new patterns to help combiner
16130 optimizing nested mixed mode shifts.
16132 * config/sparc/sparc.c (sparc_override_options): Use deprecated
16133 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
16134 speed things up. Don't use them by default on plain v9 in 64bit
16135 mode, according to what SPAMv9 sais.
16137 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
16138 top 32 bits of %[og][0-7] in signal handlers.
16139 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
16141 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
16143 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
16144 (ashlsi3): Corresponding changes.
16146 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
16148 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
16150 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
16152 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16154 * arm.h (Hint): Delete macro.
16155 Substitute HOST_WIDE_INT for Hint in some prototypes.
16156 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
16158 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
16160 * builtins.c (expand_builtin_setjmp): Use force_operand to
16161 make sure that the buffer address is in a suitable form to be
16162 passed to force_reg.
16164 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
16166 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
16169 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
16171 * pa.md (indirect_jump): Remove mode from match_operand. Verify
16172 proper mode in the condition string.
16173 (icacheflush, dcacheflush): Remove modes from match_operands.
16175 * pa.c (emit_move_sequence): Always convert scratch_reg to the
16176 proper mode before using it.
16178 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
16181 * pa.c (store_reg): Do not call add_high_const generator directly.
16182 (load_reg, set_reg_plus_d): Likewise.
16183 * pa.md (add_high_const): No longer a named pattern.
16185 * pa.c (legitimize_address): Consistently use Pmode rather than
16186 SImode. Do not call gen_pic2_highpart directly anymore.
16187 * pa.md (pic2_highpart): No longer a named pattern.
16188 (pic2_lo_sum): Similarly. Reformat to make more readable.
16190 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
16195 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16197 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
16199 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
16201 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
16202 and tag the spill mems.
16203 (hppa_va_start): New.
16204 (hppa_va_arg): New.
16205 * pa.h (EXPAND_BUILTIN_VA_START): New.
16206 (EXPAND_BUILTIN_VA_ARG): New.
16208 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
16210 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
16211 and tag the spill mems.
16212 (mn10300_va_start): New.
16213 (mn10300_va_arg): New.
16214 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
16215 (EXPAND_BUILTIN_VA_ARG): New.
16217 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
16219 * mn10200.c (mn10200_va_arg): New.
16220 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
16222 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
16224 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
16225 rather than play with TREE_INT_CST_LOW.
16227 1999-07-27 Philip Blundell <pb@nexus.co.uk>
16229 * config/arm/telf.h: Include dbxelf.h.
16230 (CPP_PREDEFINES): Only define if not already defined.
16231 (ASM_IDENTIFY_GCC): Likewise.
16232 (SUBTARGET_EXTRA_SECTIONS): Likewise.
16233 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
16234 * config/arm/thumb.h (LINK_SPEC): Only define if not already
16236 (DBX_DEBUGGING_INFO): Don't define.
16237 * config/arm/linux-telf.h: New file.
16238 * config/arm/linux-tgas.h: New file.
16239 * config/arm/t-thumb-linux: New file.
16240 * config/arm/uclinux-elf.h: New file.
16241 * config/arm/uclinux-telf.h: New file.
16242 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
16243 thumb-*-uclinux): New targets.
16244 * configure: Regenerate.
16246 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
16248 * pa.md (post_store, pre_load): New expanders.
16249 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
16250 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
16251 need to directly generate RTL for them.
16252 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
16255 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
16257 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
16258 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
16259 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
16260 (secndary_reload_class): Make TARGET_ELF conditional compile.
16261 (print_operand_address): Similar.
16262 (output_toc): Print all values as hex.
16263 (get_issue_rate): Rearrange and add RS64A and PPC630.
16264 * rs6000.h (processor_type): Add RS64A and PPC630.
16265 (PROCESSOR_POWERPC64): New.
16266 (PROMOTE_MODE): Use word_mode.
16267 (RTX_COSTS): Add RS64A and PPC630.
16268 * rs6000.md (scheduling information): Add lmul and ldiv
16269 representing 64-bit integer multiply and divide. Add rs64a and
16270 PPC630 information.
16271 (ashldi3): Add support for "rldic" instruction.
16272 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
16274 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
16276 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
16277 instead of V8 for sparclite86x in cpu_table.
16279 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16281 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
16282 output_file_directive.
16284 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
16286 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
16287 tree for op1, not the rtl.
16289 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
16291 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
16292 to m88k_va_start, leaving only the register spill.
16293 (m88k_build_va_list): New.
16294 (m88k_va_start): New.
16295 (m88k_va_arg): New.
16296 * m88k.h (BUILD_VA_LIST_TYPE): New.
16297 (EXPAND_BUILTIN_VA_START): New.
16298 (EXPAND_BUILTIN_VA_ARG): New.
16300 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
16302 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
16303 Rename from expand_builtin_saveregs.
16304 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
16306 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
16308 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
16309 for the register spill block.
16310 (i960_build_va_list): New.
16311 (i960_va_start): New.
16312 (i960_va_arg): New.
16313 * i960.h (BUILD_VA_LIST_TYPE): New.
16314 (EXPAND_BUILTIN_VA_START): New.
16315 (EXPAND_BUILTIN_VA_ARG): New.
16316 * i960.md (store_multiple): Use change_address on individul mems.
16318 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
16320 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
16322 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
16323 (expand_builtin_va_end): Evaluate arg for side effects.
16324 * c-common.c (c_common_nodes_and_builtins): Construct a
16325 va_list_arg_type_node to handle array decomposition to pointer.
16327 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
16329 * except.c (start_dynamic_cleanup): Use force_operand on the
16332 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
16334 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
16335 * c4x.c (c4x_va_arg): New.
16337 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
16339 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
16340 has manual_pop set.
16342 1999-07-26 Nathan Sidwell <nathan@acm.org>
16344 * eh-common.h (__eh_matcher): Prototype correctly.
16346 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
16348 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
16349 (TARGET_SINGLE_PIC_BASE): Likewise.
16350 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
16352 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
16353 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
16354 (TARGET_OPTIONS): Add -mpic-register=N.
16355 (OUTPUT_INT_ADDR_CONST): New macro.
16356 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
16357 LEGITIMATE_PIC_OPERAND_P): Likewise.
16358 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
16359 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
16360 output_addr_const directly.
16361 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
16363 (thumb_pic_register, thumb_pic_register_string): Declare.
16365 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
16367 (label_mentioned_p): New function: Imported from arm.c.
16368 (legitimize_pic_address): New function: Imported from arm.c.
16369 (is_pic):New function: Imported from arm.c.
16370 (thumb_finalize_pic):New function: Imported from arm.c.
16371 (add_constant): Cope with PIC constants.
16372 (fixit): Cope with PIC constants.
16373 (output_return): Do not treat the PIC register as live if
16374 TARGET_SINGLE_PIC_BASE is true.
16375 (thumb_function_prologue): Do not treat the PIC register as live if
16376 TARGET_SINGLE_PIC_BASE is true.
16377 (thumb_expand_prologue): Do not treat the PIC register as live if
16378 TARGET_SINGLE_PIC_BASE is true.
16379 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
16380 TARGET_SINGLE_PIC_BASE is true.
16381 (thumb_print_operand): Accept '|'.
16382 (thumb_override_options): Process PIC options.
16384 * config/arm/thumb.md (movsi): Support PIC.
16385 (call_insn): Change "i" constraint to "X".
16386 (call_value_insn): Likewise.
16387 (consttable_4, consttable_8, consttable_end): Set and clear
16388 "making_const_table" as appropriate.
16389 (pic_load_addr, pic_add_dot_plus_four): New insns.
16391 * invoke.texi (Thumb Options): Fix spelling. Document new
16392 options -msingle-pic-base and -mpic-register=.
16394 1999-07-26 Andrew Haley <aph@cygnus.com>
16396 * config/m32r/initfini.c (__init): Use a full word immediate for
16397 __fini: this allows it to be placed in any memory region.
16399 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
16400 -mmodel=medium. This is OK for all memory models.
16402 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
16404 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
16405 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
16407 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
16409 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
16412 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
16414 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
16416 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
16417 (BUILD_VA_LIST_TYPE): New.
16418 (EXPAND_BUILTIN_VA_START): New.
16419 (EXPAND_BUILTIN_VA_ARG): New.
16420 * i860.c (output_delayed_branch): Disable.
16421 (output_delay_insn): Likewise.
16422 (i860_saveregs): New.
16423 (i860_build_va_list): New.
16424 (i860_va_start): New.
16425 (i860_va_arg): New.
16426 * i860.md: Disable all peepholes using output_delayed_branch.
16427 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
16429 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
16431 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
16432 (BUILD_VA_LIST_TYPE): New.
16433 (EXPAND_BUILTIN_VA_START): New.
16434 (EXPAND_BUILTIN_VA_ARG): New.
16435 * clipper.c (clipper_builtin_saveregs): Only dump registers.
16436 Return the address of the save area.
16437 (clipper_build_va_list): New.
16438 (clipper_va_start): New.
16439 (clipper_va_arg): New.
16441 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
16443 * arc.h (EXPAND_BUILTIN_VA_START): New.
16444 (EXPAND_BUILTIN_VA_ARG): New.
16445 * arc.c (arc_setup_incoming_varargs): Set alias set of
16447 (arc_va_start): New.
16450 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
16452 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
16453 (BUILD_VA_LIST_TYPE): New.
16454 (EXPAND_BUILTIN_VA_START): New.
16455 (EXPAND_BUILTIN_VA_ARG): New.
16456 * alpha.c (alpha_builtin_saveregs): Delete.
16457 (alpha_build_va_list): New.
16458 (alpha_va_start): New.
16459 (alpha_va_arg): New.
16461 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
16463 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
16465 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
16466 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
16468 * gcc.texi: More changes related to list conversion.
16469 * invoke.texi: Likewise.
16471 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
16473 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
16474 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
16475 (expand_builtin_next_arg): Accept ARGLIST not EXP.
16476 (stabilize_va_list): New function.
16477 (std_expand_builtin_va_start): New function.
16478 (expand_builtin_va_start): New function.
16479 (get_varargs_alias_set): New function.
16480 (std_expand_builtin_va_arg): New function.
16481 (expand_builtin_va_arg): New function.
16482 (expand_builtin_va_end): New function.
16483 (expand_builtin_va_copy): New function.
16484 (expand_builtin): Call them.
16485 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
16486 __builtin_{varargs_start,stdarg_start,end,copy}.
16487 (build_va_arg): New function.
16488 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
16489 (build_va_arg): Declare.
16490 * c-decl.c (ptr_type_node, va_list_type_node): New.
16491 * c-parse.gperf (__builtin_va_arg): New.
16492 * c-parse.in (VA_ARG): New token.
16493 (unary_expr): Recognize it.
16494 * expr.c (expand_expr): Expand VA_ARG_EXPR.
16495 * expr.h (std_expand_builtin_va_start): Declare.
16496 (std_expand_builtin_va_arg): Declare.
16497 (expand_builtin_va_arg): Declare.
16498 (get_varargs_alias_set): Declare.
16499 * tree.def (VA_ARG_EXPR): New.
16500 * tree.h (BUILT_IN_VARARGS_START): New.
16501 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
16502 (ptr_type_node, va_list_type_node): Declare.
16503 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
16504 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
16505 * m88k.h, m88k.c: Likewise.
16506 * mn10300.h, mn10300.c: Likewise.
16507 * pa.h, pa.c: Likewise.
16508 * rs6000.h, rs6000.c: Likewise.
16509 * sh.h, sh.c: Likewise.
16510 * sparc.h, sparc.c: Likewise.
16512 * emit-rtl.c (operand_subword): Copy alias set.
16513 (change_address): Likewise.
16515 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
16517 * pa.c (compute_frame_size): Scan all the used callee saved registers,
16518 not just the first one.
16520 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
16522 * config/arm/arm.h (TARGET_SWITCHES): Add
16523 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
16524 (TARGET_OPTIONS): Add -mpic-register=.
16525 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
16526 (arm_pic_register_string): Declare.
16527 (NEED_PLT_GOT): Delete, replace with ...
16528 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
16529 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
16530 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
16531 * config/arm/arm.c (arm_override_options): Add new option
16533 (arm_pic_register_string): New variable.
16534 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
16535 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
16536 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
16537 (output_return_instruction): Likewise.
16538 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
16539 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
16540 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
16542 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
16543 mention of -msched-prolog. Document new options -msingle-pic-base
16544 and -mpic-register=.
16546 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
16548 * haifa-sched.c (reemit_notes): Tidy.
16549 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
16552 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
16554 * explow.c (trunc_int_for_mode): New function.
16555 (plus_constant_wide): Use it.
16556 * combine.c (simplify_and_const_int): Likewise.
16557 (merge_outer_ops): Likewise.
16558 (simplify_shift_const): Likewise.
16559 * cse.c (simplify_unary_operation): Likewise.
16560 (simplify_binary_operation): Likewise.
16561 * emit-rtl.c (operand_subword): Likewise.
16562 * rtl.h: Declare it.
16564 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16566 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
16567 (use NUM_REGS instead of NUM_INTS).
16569 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16571 * builtins.c: New file.
16572 * expr.c (saveregs_value, apply_args_value): Delete definition,
16573 moved into builtins.c.
16574 (string_constant): No longer static.
16575 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
16576 apply_args_size, apply_result_size, result_vector,
16577 expand_builtin_apply_args, expand_builtin_apply,
16578 expand_builtin_return): Delete functions, moved into builtins.c.
16579 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
16580 * expr.h (saveregs_value, apply_args_value): Declare variables.
16581 (expand_builtin, string_constant): Declare functions.
16582 * Makefile.in: Update to build builtin.o.
16584 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
16586 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
16587 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
16588 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
16589 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
16591 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
16594 1999-07-21 Michael Meissner <meissner@cygnus.com>
16596 * print-rtl.c (print_rtx): Print the names of the virtual
16599 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
16601 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
16602 introduced in previous delta.
16604 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16606 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
16607 to avoid name clash.
16609 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
16611 * c-lex.c (yylex) : Correct the test for overflow when lexing
16614 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
16616 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
16617 (adjust_priority): Always call ADJUST_PRIORITY.
16618 (schedule_insn): Only put insns into the ready at cost 0.
16619 (schedule_block): Remove redundant initial sort. Give clock_var
16620 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
16622 * tm.texi (MD_SCHED_REORDER): Update docs.
16624 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
16625 * sparc.c (ultra_reorder_called_this_block): Delete.
16626 (ultrasparc_sched_init): Don't set it.
16627 (ultrasparc_sched_reorder): Don't check it.
16629 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
16631 * rs6000.h (struct rs6000_args): Add sysv_gregno.
16632 * rs6000.c (init_cumulative_args): Init sysv_gregno.
16633 (function_arg_boundary): Align DFmode.
16634 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
16635 to get fp reg and stack overflow correct.
16636 (function_arg): Likewise.
16637 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
16638 (setup_incoming_varargs): Restructure for ABI_V4; use
16639 function_arg_advance to skip final named argument.
16640 (expand_builtin_saveregs): Properly unskip the last integer arg
16641 when doing varargs. Adjust overflow location calculation.
16643 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
16644 explicitly unsigned.
16645 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
16646 (__VA_GP_REGSAVE): Similarly.
16647 (__va_longlong_p): Delete.
16648 (__va_arg_type_violation): New declaration.
16649 (va_arg): Restructure. Flag promotion errors. Align double.
16650 TFmode passed by reference.
16652 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
16653 in the HOST_BITS_PER_WIDE_INT > 32 case.
16655 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
16657 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
16659 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
16661 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
16662 * toplev.c (documented_lang_options): Add -fpreprocessed.
16663 * cpplib.h (struct cpp_buffer): Add preprocessed.
16664 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
16665 (cpp_start_read): Don't expand macros or emit an initial #line
16666 directive if -fpreprocessed.
16668 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
16670 * cpplib.h (struct cpp_buffer): Added manual_pop for
16671 better C++ tokenization.
16672 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
16673 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
16674 * c-common.c (cpp_token): Make non-static.
16676 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16678 * c-common.h: New file.
16679 * c-common.c (permanent_obstack): Delete unused declaration.
16680 (c_global_trees): New array.
16681 (c_common_nodes_and_builtins): New function; split off common code
16682 from init_decl_processing in both c-decl.c and cp/decl.c.
16683 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
16684 c_global_trees and accessor macros defined in c-common.h.
16685 Include c-common.h.
16686 * c-decl.c: Delete definitions for tree nodes that were replaced by
16688 (init_decl_processing): Build void_list_node.
16689 Call c_common_nodes_and_builtins; delete code to generate the common
16691 * objc/objc-act.c (build_module_descriptor): Rename variable
16692 void_list_node to avoid clash with c-common.h.
16694 * Makefile.in: Update dependencies.
16695 * objc/Make-lang.in: Likewise.
16697 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
16699 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
16700 (UNIQUE_SECTION_P): Likewise.
16701 (UNIQUE_SECTION): Likewise.
16703 1999-07-19 Linas Vepstas <linas@linas.org>
16705 * config/i370/README: New file.
16706 * config/i370/linux.h: New file.
16707 * config/i370/mvs.h: New file.
16708 * config/i370/oe.h: New file.
16709 * config/i370/t-linux: New file.
16710 * config/i370/t-mvs: New file.
16711 * config/i370/t-oe: New file.
16712 * config/i370/x-oe: New file.
16713 * config/i370/xm-linux.h: New file.
16714 * config/i370/xm-mvs.h: New file.
16715 * config/i370/xm-oe.h: New file.
16717 * i370.c (label_node_t): Add first_ref_page, label_addr,
16718 label_first_ref, label_last_ref members.
16719 (mvs_need_base_reload): Renamed from mvs_label_emitted.
16720 (MAX_MVS_LABEL_SIZE): Define.
16721 (MAX_LONG_LABEL_SIZE): Define.
16722 (alias_node_t, alias_anchor, alias_number): New.
16723 (mvs_function_table): Reorder for EBCDIC.
16724 (ascebc, ebcasc): Unconditionally define.
16725 (i370_branch_dest, i370_branch_length): New functions.
16726 (i370_short_branch, i370_label_scan): New functions.
16727 (mvs_get_label): Renamed from mvs_add_label. Search for
16728 an existing label before creating a new one.
16729 (mvs_add_label): New function.
16730 (mvs_get_label_page): New function.
16731 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
16732 over the entire list.
16733 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
16734 (mvs_check_page) [TARGET_ELF_ABI]: New function.
16735 (mvs_add_alias, mvs_need_alias): New functions.
16736 (mvs_get_alias, mvs_check_alias): New functions.
16737 (handle_pragma): New function.
16738 (mvs_function_check): New function.
16739 (unsigned_jump_follows_p): Search harder.
16740 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
16741 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
16742 * i370.h (TARGET_VERSION): Delete.
16743 (CPP_SPEC, CPP_PREDEFINES): Delete.
16744 (mvs_label_emitted): Delete.
16745 (TARGET_EBCDIC): Delete.
16746 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
16747 (HANDLE_PRAGMA): Define.
16748 (HARD_REGNO_NREGS): Handle complex modes.
16749 (HARD_REGNO_MODE_OK): Likewise.
16750 (CLASS_MAX_NREGS): Likewise.
16751 (RET_REG): Likewise.
16752 (EXTRA_CONSTRAINT): Define.
16753 (RETURN_IN_MEMORY): True for DImode.
16754 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
16755 (FUNCTION_PROFILER): Delete.
16756 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
16757 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
16758 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
16759 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
16760 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
16761 (ASM_FILE_START): Add "RMODE ANY".
16762 (ASM_OUTPUT_EXTERNAL): Check for aliases.
16763 (ASM_GLOBALIZE_LABEL): Likewise.
16764 (ASM_OUTPUT_LABELREF): Likewise.
16765 (ASM_OUTPUT_COMMON): Likewise.
16766 (PRINT_OPERAND): Handle 'K', 'W', default.
16767 (PRINT_OPERAND_ADDRESS): New.
16768 (Lots of defines): Add support for TARGET_ELF_ABI.
16769 * i370.md (attr length): New. Define for all patterns.
16770 (*): Lots of tweeks to assembly output and constraints.
16772 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
16774 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
16775 Disable patterns performing SImode comparisons with SImode values
16776 if TARGET_POWERPC64 and instruction does not sign-extend or does
16777 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
16778 differ for signed quantities.
16779 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
16780 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
16781 (decrement_and_branch_on_count): Add 64-bit variant.
16783 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16785 * final.c (output_asm_insn): When searching for the matching string
16786 for a given dialect, don't run past the end of the list of
16787 alternatives if there are fewer alternatives in the template than
16790 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
16792 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
16793 Removed paragraph about compression of files and size limitation,
16794 duplicated in the FAQ. Use gcc-patches for posting patches.
16795 * gcc.c (main): Updated URL with bug reporting instructions to
16796 gcc.gnu.org. Removed e-mail address.
16797 * system.h (abort): Likewise.
16799 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16801 * Makefile.in (stmp-multilib-sub): Make the files extracted
16802 from $(LIBGCC1) writable.
16804 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
16806 * config/arm/aout.h: Reformat for improved readability.
16808 * config/arm/arm.h: Reformat for improved readability.
16809 Replace uses of fprintf with asm_fprintf where appropriate.
16810 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
16811 function declaration assembler actions.
16812 (NUM_INTS): New macro: Convert from bytes to words.
16813 (NUM_REGS): New macro: Compute number of registers required to
16814 hold a quanitity of tyep MODE.
16815 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
16817 (NUM_ARG_REGS): New macro: The number of argument registers
16819 (ARG_REGISTER): New macro: Compute the register number of the Nth
16821 (LAST_ARG_REGNUM): New macro: The number of the last argument
16823 (SP_REGNUM): New macro: Register number of the stack pointer.
16824 (FP_REGNUM): New macro: Register number of the frame pointer.
16825 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
16826 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
16827 CUMULATIVE_ARGS so that it counts registers not bytes.
16829 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
16831 Replace uses of fprintf with asm_fprintf where appropriate.
16832 (output_ascii_pseudo_op): Replace with version from thumb.c
16834 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
16836 * config/arm/elf.h (CPP_PREDEFINES): Replace with
16837 SUBTARGET_CPP_SPEC.
16838 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
16839 (ASM_FILE_START): Emit ASM_APP_OFF.
16841 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
16843 * pa.c (compute_frame_size): Round frame according to
16844 STACK_BOUNDARY rather than a hardwired value.
16846 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
16848 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
16850 * configure: Rebuilt.
16852 * configure.in (hppa*-*-linux*): New configuration.
16853 * configure: Rebuilt.
16854 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
16855 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
16856 * pa/pa-linux.h: New file.
16857 * pa/t-linux: New file.
16858 * pa/xm-linux.h: New file.
16860 * pa.c (hppa_legitimize_address): Change references from SImode to
16861 either Pmode or word_mode as appropriate.
16862 (emit_move_sequence, store_reg, load_reg): Likewise.
16863 (set_reg_plus_d, hppa_expand_prologue): Likewise.
16864 (output_mul_insn): Likewise.
16865 * pa.h (PROMOTE_MODE): Likewise.
16866 (INITIALZE_TRAMPOLINE): Likewise.
16867 (Pmode): Define to word_mode.
16869 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
16870 value of 4. Allocate 8 bytes for each FP register save.
16871 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
16873 (hppa_expand_prologue): Likewise.
16874 * pa.h (PROMOTE_MODE): Likewise.
16875 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
16876 (FUNCTION_ARG_BOUNDARY): Likewise.
16878 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
16880 * pa.c (out_of_line_prologue_epilogue): Delete.
16881 (override_options): Remove -mspace related code.
16882 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
16883 (compute_frame_size): Only allocate space for register that
16884 actually need to be saved.
16885 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
16886 (TARGET_SWITCHES): Remove -mspace, -mno-space
16887 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
16888 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
16889 * pa/ee.asm, pa/ee_fp.asm: Delete.
16891 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
16893 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
16894 directive in column zero.
16896 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
16898 * m68k.c (output_function_prologue): Fix computation of save mask
16899 when generating PIC code.
16901 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
16903 * tree.c (build_type_attribute_variant): Move current_obstack restore
16904 after build_qualified_type call.
16906 1999-07-15 Mark Mitchell <mark@codesourcery.com>
16908 * configure.in: Use t-iris6, even with GNU LD.
16909 * config/mips/iris6gld.h: Fix typo in linker spec.
16910 * config/mips/t-iris6gld: Remove.
16912 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
16914 * rs6000.md (insv, extzv): Remove SImode dependence in named
16915 patterns. Explicitly generate DImode RTL if PowerPC64 and
16917 (insvdi): Reverse start and size in instruction template.
16919 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
16921 * invoke.texi: Typo fixes.
16923 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
16925 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
16926 handle at this time instead of silently generating incorrect code.
16927 (gen_imagpart): Likewise.
16929 * reload.c (find_reloads): Emit a USE for a pseudo register without
16930 a hard register if we could not create an optional reload for the
16933 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16935 * c-typeck.c (output_init_element, process_init_element):
16936 When advancing constructor_unfilled_fields for a RECORD_TYPE,
16937 check for nameless bit fields.
16939 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
16941 * regclass.c (scan_one_insn): Notice subregs that change the
16942 size of their operand.
16943 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
16945 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
16947 * configure.in (alpha*-*-*): Include alpha/t-ieee.
16948 * configure: Rebuilt.
16949 * alpha/t-ieee: New file.
16951 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
16953 * rs6000.c (find_addr_reg): Do not select r0 as an address
16956 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
16958 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
16960 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
16962 * rs6000.md (movsf): Do not force easy FP constants into memory.
16964 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
16965 immed_double_const to ensure they are properly truncated then
16968 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
16970 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
16971 always unless NO_DEBUG is used. Compile this code
16973 (replace_symbols_in_block): Compile it unconditionally.
16975 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
16977 * configure.in (i?86-*-elf*): New target.
16978 * configure: Rebuilt.
16979 * i386/i386elf.h, i386/t-i386elf: New files.
16981 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
16983 * toplev.c (main): Don't complain about saying -gdwarf.
16984 (rest_of_compilation): Remove redundant code.
16986 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
16988 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
16990 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
16992 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
16993 "Li960R:", to avoid name clash.
16995 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16997 * loop.c (check_dbra_loop): When reversing a loop, delete all
16998 REG_EQUAL notes referencing the reversed biv except those which are
16999 for a giv based on it.
17001 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
17003 * version.c: Drop "gcc-" prefix from version #.
17005 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
17007 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
17008 the label if we're being verbose.
17010 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
17012 * m68k.c (output_function_prologue): Add pic register to mask
17013 if live and flag_pic.
17014 (output_function_epilogue): Likewise.
17016 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
17018 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
17019 directives in column zero.
17021 * pa/elf.h (ASM_FILE_START): Define.
17022 * pa/som.h (ASM_FILE_START): Include .level directives.
17023 * pa/hpux10.h (ASM_FILE_START): Delete.
17024 * pa/hpux11.h (ASM_FILE_START): Delete.
17026 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
17028 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17030 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
17031 when reload_out equals reload_in.
17033 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
17035 * invoke.texi (Spec Files): New node: Describe the contents of
17038 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
17040 * invoke.texi (DEC Alpha Options): Put @end table at
17041 beginning of line, to avoid confusing texi2html.
17043 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
17045 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
17046 introduced in previous delta.
17048 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17050 * reload1.c (gen_reload): When synthesizing a 3 operand add
17051 sequence, improve test for when to reload OP1 into the reload
17052 register instead of OP0.
17054 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
17056 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
17058 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
17060 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
17063 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
17065 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
17066 (va_dcl): Use __builtin_va_alist_t.
17068 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
17070 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
17071 on the permanent_obstack.
17072 * dwarfout.c (output_type): Likewise.
17074 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
17076 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17077 Merged from c-typeck.c and cp/typeck.c.
17078 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17079 Merged into c-common.
17081 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
17083 * c-lex.c (errorcount): Declare it.
17084 (finish_parse): Update errorcount when using CPPLIB.
17086 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
17088 * fixinc/inclhack.def(end_else_label): Double the backslash so
17089 sed gets a chance to see it.
17090 * fixinc/inclhack.sh: regen
17091 * fixinc/fixincl.x: regen
17093 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
17095 Add framework to support armv5 architecture when it becomes
17098 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
17099 (arm_arch5): New variable.
17100 (all_architectures): Add armv5 line.
17101 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
17102 -march=armv5 is specified on the command line.
17103 (arm_arch5): Export this variable.
17104 * invoke.texi: Document new string accepted by -march= switch for
17107 * config/arm/arm.h: Replace use of constant 12 as a register
17108 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17109 * config/arm/arm.c: Replace use of constant 12 as a register
17110 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
17112 * config/arm/elf.h: Tidy up.
17113 * config/arm/coff.h: Tidy up.
17115 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
17117 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
17118 * gcc/config/mips/t-iris6gld: New file.
17119 * gcc/config/mips/iris6gld.h: Likewise.
17121 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
17123 * c-decl.c (widest_integer_literal_type_node,
17124 widest_unsigned_literal_type) : New.
17125 (init_decl_processing): Handle/use the two new types.
17126 * c-common.c (type_for_size,type_for_mode) : Same.
17127 * c-lex.c (yylex) : Same.
17128 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
17130 * c-tree.h (widest_integer_literal_type_node,
17131 widest_unsigned_literal_type) : New.
17133 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
17135 * dwarfout.c (field_byte_offset): Correctly compute the object's
17136 byte offset for the first bit of a field which crosses an alignment
17137 boundary on a !BYTES_BIG_ENDIAN target.
17139 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
17141 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
17144 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
17145 Jeff Law <law@cygnus.com>
17147 * ginclude/varargs.h (va_dcl): Use word_mode for type of
17150 * except.c: Include intl.h.
17151 (expand_eh_return): Set current_function_cannot_inline.
17152 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
17153 * function.h (struct function): Add eh_return_stub_label.
17154 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
17155 * Makefile.in (except.o): Depend on intl.h.
17157 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
17159 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
17160 same as offsettable in cases 1 and 2.
17162 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
17164 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
17165 (extlh, extwh): Likewise.
17167 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
17169 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
17171 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
17173 * configure.in: Add arm-pe and thumb-pe targets.
17174 * configure: Regenerate.
17176 * thumb.c (arm_naked_function_p): New function: Determines if
17177 a function is naked (has no gcc generated prologue/epilogue).
17178 (is_called_in_ARM_mode): Return true if the func has the
17179 interfacearm attribute.
17180 (output_return): Do not generate a return for naked functions.
17181 (thumb_function_prologue): Do not generate a prologue for
17183 (thumb_expand_prologue): Do not generate a prologue for naked
17185 (thumb_expand_epilogue): Do not generate an epilogue for naked
17187 (arm_valid_machine_decl_attribute): New function, copied from
17188 arm.c: Permit naked and interfacearm attributes.
17190 * config/arm/pe.c: New file: Support code for arm-pe target.
17191 * config/arm/pe.h: New file: Header file for arm-pe target.
17192 * config/arm/tpe.h: New file: Header file for thumb-pe target.
17193 * config/arm/t-thumb-pe: New file: Makefile fragment for
17196 1999-07-01 Mark Kettenis <kettenis@gnu.org>
17198 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
17199 -fPIC or -fpic is specified.
17201 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
17203 * expr.c (emit_block_move): Use copy_to_mode_reg for
17204 !TARGET_MEM_FUNCTIONS case too.
17206 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
17208 * configure: Rebuilt.
17209 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
17210 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
17211 definitions made redundant by dbxelf.h inclusion. Delete
17212 lots of definitions related to assembly output that are
17213 specific to the SOM object format.
17214 * pa.c (output_function_prologue): Do not emit the function's
17216 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
17217 * pa-pro.h: Deleted.
17218 * som.h: New file with SOM specific definitions.
17219 * elf.h: New file with ELF specific definitions.
17221 * elfos.h (const_section): Output a tab before assembler directives.
17222 (ctors_section, dtors_section): Likewise.
17223 (ASM_OUTPUT_SECTION_NAME): Likewise.
17225 * pa/pa1.h: Delete unused file.
17227 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
17229 * configure.in (hppa*-hp-hpux11*): New configuration.
17230 * configure: Rebuilt.
17231 * pa/pa-hpux11.h: New file.
17232 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
17235 * mips.md (leasi, leadi): New patterns.
17237 * expr.c (emit_block_move): Properly handle case where one of the
17238 block move arguments has a queued increment or decrement.
17239 (clear_storage): Similarly. Fix formatting goof.
17241 1999-06-28 "David O'Brien" <obrien@NUXI.com>
17243 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
17244 semicolon from the BSD VA_LIST replacement expression.
17246 * fixinc/inclhack.sh: regen
17247 * fixinc/fixincl.x: regen
17249 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
17250 now use the fixincl program.
17252 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
17254 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
17255 case. Also make the PIC register call_used.
17257 * m68k.h (FINALIZE_PIC): Delete.
17258 * m68k.c (finalize_pic): Delete.
17260 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
17262 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
17265 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
17267 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
17269 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
17271 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
17273 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
17275 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
17277 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
17279 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
17281 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
17283 * rs6000.c (output_toc): Always use hex values for floating-point
17284 constants. Store single-precision values in upper-half of TOC
17285 entry in 64-bit mode.
17286 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
17287 to final constraints.
17288 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
17289 (fctiwz): Improve accuracy of RTL for pattern.
17291 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
17293 * expr.c (expand_expr): Allow RTL_EXPR's through the
17294 MAX_INTEGER_COMPUTATION_MODE checks.
17296 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
17298 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
17299 such that MASK_SUPPORT_ARCH is not negative.
17301 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
17303 * loop.c (verify_dominator): Properly handle ADDR_VEC and
17304 ADDR_DIFF_VEC insns that appear inside loops.
17306 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
17307 Jeff Law <law@cygnus.com>
17309 * rs6000.md (movdf_hardfloat32): Revert previous patch.
17310 Handle LO_SUM the same as offsettable in cases 1 and 2.
17311 * rs6000.c (find_addr_reg): Revert previous patch.
17313 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
17315 * system.h (strstr): New external function declaration.
17316 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
17317 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
17318 * config.in, configure: Rebuilt.
17320 1999-06-24 Tom Tromey <tromey@cygnus.com>
17322 * gcc.c (main): Read user-specified specs files after computing
17323 additional startfile_prefixes.
17325 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
17327 Revert these two patches:
17329 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17330 * loop.c (strength_reduce): When doing biv->giv conversion, update
17331 reg note of NEXT->insn.
17333 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17334 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17336 (recombine_givs): Set ix field after sorting.
17338 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17340 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
17341 for the parts of an UNSPEC / UNSPEC_VOLATILE.
17343 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
17345 *fixinc/inclhack.def: Add fix development commentary
17346 (read_ret_type): reactivate and add selection clause
17347 (zzz_*): tweak output file name to match what is used in hackshell.tpl
17348 *fixinc/{fixincl.x|inclhack.sh}: regen
17350 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
17352 * expr.c (expand_expr): STRIP_NOPS before checking against
17353 MAX_INTEGER_COMPUTATION_MODE
17354 (check_max_integer_computation_mode): Likewise.
17356 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
17358 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
17360 1999-06-22 Jim Wilson <wilson@cygnus.com>
17362 * expr.c (store_expr): When target is a promoted subreg, return a
17363 promoted subreg as a result.
17365 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
17367 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
17369 (dwarf2out_define): Mark unused parameters appropriately.
17370 (gen_unspecified_parameters_die): Ditto.
17371 (gen_subprogram_die): Fix signed/unsigned warnings.
17372 (gen_variable_die): Ditto.
17374 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
17376 * fixinc/inclhack.def(end_else_label): combined else_label
17377 and endif_label and fixed the sed expression.
17378 *fixinc/{fixincl.x|inclhack.sh}: regen
17380 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
17382 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
17383 'x' when handling non-offsettable addresses
17385 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
17387 * final.c (shorten_branches): Don't try to split an insn that has
17390 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
17392 * config/mips/mips.c (symbolic_expression_p): New function.
17393 (mips_select_rtx_section): Put symbolic expressions in the
17394 data section, not the read-only data section.
17396 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
17398 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
17400 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
17402 * collect2.c (main): Log frame table count.
17403 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
17404 (scan_prog_file) [COFF]: Handle frame tables.
17406 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
17407 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
17408 * alpha/elf.h: Undef them again.
17409 * alpha/vms.h: Remove their definitions.
17411 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17413 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
17414 remove the clobber of r0 and change the REG_UNUSED note to
17417 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
17419 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
17420 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
17421 fits in HOST_WIDE_INT and one uses union to access a long constant
17424 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
17426 * sparc.c (sparc_override_options): Don't allow profiling for
17427 code models other than medlow.
17428 (sparc_function_profiler): New function from old FUNCTION_PROFILER
17429 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
17430 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
17431 (sparc_block_profiler): Likewise.
17432 (sparc_function_block_profiler_exit): Likewise.
17433 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
17434 (FUNCTION_BLOCK_PROFILER): Likewise.
17435 (BLOCK_PROFILER): Likewise.
17436 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
17437 (MCOUNT_FUNCTION): New.
17438 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
17439 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
17440 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
17441 (MCOUNT_FUNCTION): New.
17442 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
17443 (BLOCK_PROFILER): Delete.
17444 (MCOUNT_FUNCTION): New.
17446 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
17448 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
17450 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
17452 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17455 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17458 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17461 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
17464 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
17466 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
17469 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
17471 * i386/djgpp.h (LIB_SPEC): New.
17472 (STARTFILE_SPEC): New.
17474 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
17476 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
17478 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
17481 * system.h (WSTOPSIG): New macro.
17483 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
17485 * c-pragma.c (push_alignment): Don't ignore alignments greater than
17487 (insert_pack_attributes): Take into account member natural
17490 * i386/winnt.c (exports_head): New static variable.
17491 (i386_pe_record_exported_symbol): New function.
17492 (i386_pe_asm_file_end): Use.
17493 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
17494 symbols to be emitted at end of assembly.
17495 (ASM_DECLARE_OBJECT_NAME): Likewise.
17496 (ASM_DECLARE_FUNCTION_NAME): Likewise.
17498 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
17501 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
17503 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
17506 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
17508 * haifa-sched.c (sched_analyze_1): Use free_list instead of
17509 zapping reg_last_uses directly.
17510 (sched_analyze_2, sched_analyze_insn): Likewise.
17511 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
17513 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
17515 * rs6000.md (movdf_hardfloat32): Use worst case insn length
17516 attributes for cases 1 and 2.
17518 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
17520 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
17523 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
17525 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
17527 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
17529 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
17530 PIC_OFFSET_TABLE_REGNUM for general alloaction.
17531 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
17532 must be stacked if it is used for PIC accesses.
17533 * arm.c (use_return_insn): Handle PIC register specially.
17534 (output_return_instruction): Likewise.
17535 (output_func_{prologue,epilogue}): Likewise.
17536 (output_expand_prologue): Likewise.
17538 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
17539 (*strsi_predec): Renamed from *strqi_predec.
17540 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
17541 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
17543 * arm.c (arm_override_options): Remove warning about PIC code
17544 not being supported.
17546 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
17548 * rs6000.c (find_addr_reg): New function.
17549 * rs6000.h (find_addr_reg): Declare.
17550 (offsettable_addr_operand): Delete.
17551 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
17552 from and stores to GPRs.
17554 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
17556 * alpha.c (alpha_expand_block_move): Use get_insns rather than
17557 gen_sequence as argument to emit_no_conflict_block.
17559 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17561 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
17562 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
17563 *fixinc/fixincl.x: regen
17564 *fixinc/inclhack.sh: regen
17566 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
17568 * added support for -mpcrel (PC relative addressing for m68k)
17569 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
17570 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
17571 * m68k.c (print_operand_address): Handle 32-bit PIC case.
17572 (comments for general_src_operand): Add some explanation
17573 about EXTRA_CONSTRAINTS.
17574 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
17575 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
17576 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
17577 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
17578 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
17579 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
17580 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
17581 if not already set.
17582 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
17583 * m68k.h (TARGET_PCREL): New target flag.
17584 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
17585 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
17586 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
17587 contains a SYMBOL_REF. Relax this constraint during reload, since
17588 we want to use the predicates, not reload's built-in concept of a
17589 valid memory address, to control what insns need reloading.
17590 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
17591 operands (essentially 'g', 'm', and 's' under normal circumstances).
17592 * m68k.c (print_operand): Cause printing of pc-relative addresses
17593 to include pc register.
17594 (print_operand_address): Ditto.
17595 (general_src_operand): Accept operands that are not only
17596 general_operands, but are also valid when used as a pc-relative
17598 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
17599 (memory_src_operand): Similar, for memory_operands.
17600 (pcrel_address): New predicate to accept the special case of a
17601 pc-relative address.
17602 * m68k.md (many patterns): Rewrite common SImode, HImode, and
17603 QImode insns to accept *_src_operand instead of *_operand where
17604 pc-relative operands can fit. For example, a pc-relative operand
17605 can be used as a memory source operand for addsi3, but not as a
17606 memory destination.
17607 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
17609 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
17611 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
17612 .thumb_set pseudo op to mark aliases of thumb functions.
17614 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
17616 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
17617 preference to ASM_OUTPUT_DEF, if it is defined.
17619 * tm.texi: Document new, optional target macro
17620 ASM_OUTPUT_DEF_FROM_DECLS.
17622 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17624 * fixincludes: ISCNTL patch
17625 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
17626 (dgux_int_varargs): new for DG/UX
17627 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
17629 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
17631 * invoke.texi (ia32 options): Fix typo.
17633 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17635 * loop.c (strength_reduce): When doing biv->giv conversion, update
17636 reg note of NEXT->insn.
17638 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
17640 * loop.c (move_movables): Note issues with replacing REGs with
17642 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
17644 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
17646 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
17648 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
17649 the reference to `mcount' was not correct for the ELF on FreeBSD.
17651 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17653 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17656 (recombine_givs): Set ix field after sorting.
17658 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
17660 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
17661 to safe to extract a subword out of a REG.
17663 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17665 * sh.md (mulsi3): Don't add a no-op move at the end.
17667 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17669 * cse.c (cse_insn): Don't put hard register source into tables for
17670 the last insn of a libcall.
17672 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17674 * loop.c (strength_reduce): Insert sets of derived givs at every
17675 biv increment, even if it's the only one.
17677 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
17679 * dwarfout.c (add_incomplete_type): New fn.
17680 (output_type): Call it.
17681 (retry_incomplete_types): New fn.
17682 (dwarfout_finish): Call it.
17684 From Eric Raskin <ehr@listworks.com>:
17685 (output_type): Output types for bases.
17687 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
17689 * mips.c (mips_output_conditional_branch): Add `break'
17690 between `default' label and `close braces'.
17692 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
17694 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
17695 specifications and make it realistic.
17696 (LIB_SPEC): Likewise.
17698 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
17700 * config/mips/mips.c (mips_secondary_reload_class): Check for
17701 (PLUS (SP) (REG)) and return appropriate register class.
17702 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
17703 Handle (PLUS (SP) (REG)).
17704 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
17705 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
17706 of emit_insn for tablejump.
17708 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
17710 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
17711 asm_fprintf format string by itself.
17712 (output_function_profiler): Likewise.
17714 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
17716 * combine.c (simplify_logical, case AND): Only call
17717 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
17718 or the constant is positive.
17720 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
17722 * configure.in: Fix typo in rs6000-ibm-aix4 case.
17723 * configure: Regenerate.
17725 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
17727 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
17728 require a sub-version #.
17729 * configure: Rebuilt.
17731 1999-06-14 Robert Lipe (robertlipe@usa.net)
17733 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
17735 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
17737 * c-typeck.c (process_init_element): Detect excess elements in
17738 char array initializer.
17740 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
17742 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
17744 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17746 * invoke.texi (Option Summary): Add -fpermissive flag.
17748 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
17750 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
17751 that require PIC code sequences.
17753 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
17755 * configure.in: Add new target: thumb-elf.
17756 * configure: Regenerate.
17757 * config/arm/t-thumb-elf: New file: Makefile fragment for
17759 * config/arm/telf.h: New file: Header file for thumb-elf
17762 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
17764 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
17765 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
17766 initializers is some circumstances.
17768 * fixinc/inclhack.def (endif_label): Add additional selector for
17769 more bogus stuff after #endif statements.
17770 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
17772 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
17774 * i386/cygwin.h (SET_ASM_OP): Define.
17776 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
17778 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
17780 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17782 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
17785 * sh.md (ic_invalidate_line_i): Remove second alternative.
17787 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17789 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
17790 test for the presence of valid prototypes. Delete bypass expr.
17791 (ioctl_fix_ctrl): Correct the selection expression.
17792 (no_double_slash): Correct quoting rules
17793 *fixinc/fixincl.x: regen
17794 *fixinc/inclhack.sh: regen
17796 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
17798 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
17800 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17802 * rs6000.md (movsi_got_internal_mem): Delete.
17803 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
17804 (GOT_TOC_REGNUM): Delete.
17805 (PIC_OFFSET_TABLE_REGNUM): Define.
17806 (FINALIZE_PIC): Disable.
17807 * rs6000.c (rs6000_got_register): New code for fixed pic register.
17808 (rs6000_replace_regno): Delete.
17809 (rs6000_finalize_pic): Likewise.
17810 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
17812 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17814 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
17815 is a note; use <= for the compare; advance P while it is
17818 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
17820 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
17821 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
17823 * varasm.c (remove_from_pending_weak_list): Verify t->name
17824 is non-NULL before passing it to strcmp.
17826 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
17828 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
17829 the typed arguments are not part of a comment
17830 (ioctl_fix_ctrl): Added a purpose comment
17831 *fixinc/fixincl.x: regenerate
17832 *fixinc/inclhack.sh: regenerate
17834 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17836 * invoke.texi: Add C4x invocation docs.
17838 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17840 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
17842 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
17844 (c4x_legitimize_reload_address): New function.
17845 * config/c4x/c4x.md: Update docs.
17847 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
17849 * fixincludes: Avoid removing '.'.
17850 * fixinc/fixinc.svr4: Likewise.
17851 * fixinc/fixinc.winnt: Likewise.
17852 * fixinc/inclhack.tpl: Likewise.
17853 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
17855 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17857 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
17859 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
17861 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
17863 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
17866 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
17868 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
17869 * configure: Regenerate.
17871 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
17873 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
17876 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
17878 * fixinc/inclhack.def (avoid_bool): Also catch
17879 "typedef [unsigned] int bool".
17880 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17882 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
17883 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
17884 * configure: Rebuilt.
17886 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
17888 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
17889 such that we can override its definitions if necessary.
17890 (CPP_SPEC): New define. Support processor specific predefines via
17892 (CC1_SPEC): New define. Support processor specific compiler
17893 options via %(cc1_cpu).
17894 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
17897 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17899 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
17900 between sed's -e flag, and the open-quote following it.
17901 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
17903 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
17904 Jeffrey A Law (law@cygnus.com)
17906 * varasm.c (assemble_start_function): Remove the function
17907 from the pending weak decls list when we define a function.
17908 (assemble_variable): Similarly for variables.
17909 (weak_finish): Ignore items on the list with a NULL name.
17910 (remove_from_ending_weak_list); New function to "remove" an item
17911 from the pending weak declarations list.
17913 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
17915 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
17917 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
17919 * c-lex.c (GETC): Redefine to call getch.
17920 (UNGETC): Redefine to call put_back.
17921 (putback_buffer): New structure type.
17922 (putback): New static structure.
17923 (getch): New function.
17924 (put_back): New function.
17925 (yylex): Replace unused bytes from bad multibyte character.
17927 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
17929 * cpplib.c (do_define): Cast `alloca' return value.
17930 (do_include, do_undef, do_pragma): Likewise.
17931 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
17933 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
17934 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
17936 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
17938 * sparc.md (abstf2): This should be an expand.
17939 (split after abstf2_notv9): Fix mode.
17940 (abstf2_hq_v9): New pattern.
17941 (abstf2_v9): Only use when no hard quad.
17942 (absdf2_v9): Fix if target is not the same as source.
17943 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
17944 Add correct output constraints.
17946 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
17948 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
17949 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
17951 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
17953 * mips.h (mips_output_conditional_branch): New function.
17954 (mips_adjust_insn_length): Likewise.
17955 (ASSEMBLER_SCRATCH_REGNUM): New macro.
17956 (ADJUST_INSN_LENGTH): Likewise.
17957 * mips.c (print_operand): Add `F' and `W' for floating-point
17958 comparison opcodes.
17959 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
17961 (mips_adjust_insn_length): New function.
17962 (mips_output_conditional_branch): New function.
17963 * mips.md (length): Adjust attribute definition to handle
17964 conditional branches. Change lengths to bytes, rather than
17965 instructions throughout. Remove length attribute from
17966 instructions whose length is four bytes, and rely on the default
17968 (dslot): Fix typo in comment.
17969 Reword conditional branch patterns to use
17970 mips_output_conditional_branch.
17972 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
17974 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
17975 (LIB_SPEC): Likewise.
17976 Link with -lprof1_r for -g/-pg.
17978 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
17980 * loop.c (check_dbra_loop): Fix change of Jan 19.
17982 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
17984 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
17985 (STARTFILE_SPEC): Define, override the svr4.h version.
17986 (ENDFILE_SPEC): Likewise.
17988 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
17990 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
17991 * fixinc/fixincl.x: Regenerated.
17992 * fixinc/inclhack.sh: Regenerated.
17994 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17996 * sh.c (barrier_align): Don't return early for normal branch/barrier
17997 when optimizing for SH2.
17999 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
18001 * i386/udk.h (LINK_SPEC): Correct linker search path for
18004 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18006 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
18007 (braf_label_ref_operand): Delete.
18008 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
18009 * sh.md (casesi_jump_2): Operand1 is now the inside of a
18010 label_ref, and has no predicate.
18011 The patten has a predicate to guard against invalid substitutions.
18012 (dummy_jump): Delete.
18013 (casesi): Update use of casesi_jump_2.
18015 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18017 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
18018 *fixinc/fixincl.x: regenerate
18019 *fixinc/inclhack.sh: regenerate
18021 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
18023 * dwarf2out.c (add_incomplete_type): New fn.
18024 (gen_struct_or_union_type_die): Call it.
18025 (retry_incomplete_types): New fn.
18026 (dwarf2out_finish): Call it.
18028 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
18030 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
18031 current block starts with a CODE_LABEL and ends with a CALL and
18032 we can not find all the argument setup instructions for the CALL.
18034 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
18036 Revert this change:
18037 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18038 something is a candidate for optimize_bit_field_compare.
18040 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18042 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
18044 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
18046 * alpha.c (override_options): Thinko in last patch.
18048 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
18049 (LIB_SPEC): Recognize -pthread.
18051 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
18053 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
18054 definition in config/arm/coff.h
18055 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
18057 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18059 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
18060 fixes that need "file=xxx\n" prepended before invocation
18061 (start_fixer - new): starting the fixer process is complex enough
18062 to warrent its own routine. It prepends the "file=xxx\n" stuff.
18063 (process): uses the new routine; omit usage of putenv()
18064 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
18065 * fixinc/fixincl.x: regenerate
18067 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
18069 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
18070 and version #s (1.1 -> 2.96) as needed.
18071 * README.g77: Kill way out of date file in the toplevel directory.
18073 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
18075 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
18076 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
18077 * configure: Rebuilt.
18078 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
18079 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
18080 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
18081 (SWITCH_TAKES_ARG): Likewise.
18082 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
18083 * config/t-freebsd: Moved from config/i386/ so it can used for all
18086 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
18088 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
18090 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
18092 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
18093 * configure: Rebuilt.
18095 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
18097 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
18098 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
18099 * rs6000/rs6000.c (rs6000_file_start): Use putc.
18100 (rs6000_output_load_toc_table): Same.
18101 (output_prolog, output_mi_thunk): Same.
18102 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
18103 (ASM_GLOBALIZE_LABEL): Use putc.
18105 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
18107 * alpha.md (reload_*_help): New patterns and splitters.
18108 (reload_*): Use them.
18109 (mov[qh]i): Likewise.
18111 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
18113 * cccp.c (handle_directive): Handle backslash-newlines in quoted
18116 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
18118 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
18120 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
18122 * flow.c (mark_regs_live_at_end, insn_dead_p,
18123 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
18124 and HARD_FRAME_POINTER_REGNUM special treatment if reload
18125 hasn't run or the frame pointer is needed.
18126 * haifa-sched.c (attach_deaths): Likewise.
18127 * sched.c (attach_deaths): Likewise.
18129 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
18131 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
18132 calculate_can_reach_end returns nonzero.
18134 * configure.in (native gas tests): Search for an assembler in the
18135 same manner that the installed compiler will.
18136 * configure: Rebuilt.
18137 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
18139 * alias.c (find_base_term): Improve handling of addresses
18140 constructed from binary operations.
18142 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
18144 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
18146 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
18148 * function.h (cleanup_label, frame_offset): Declare.
18149 (tail_recursion_label, tail_recursion_reentry): Likewise.
18150 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18151 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
18152 (tail_recursion_label, tail_recursion_reentry): Likewise.
18153 (arg_pointer_save_area, rtl_expr_chain): Likewise.
18155 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
18157 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
18159 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
18160 (MAX_OFILE_ALIGNMENT): Define.
18162 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
18164 * fixincl.c: Replace local include scheme with #includes of
18165 gansidecl.h and system.h.
18166 * procopen.c: Likewise.
18167 * server.c: Likewise.
18169 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
18171 * i386/t-dgux (EXTRA_PARTS): Add crti.o
18172 (crti.o): Add build rule and dependencies.
18173 * fixinc/fixinc.dgux: Use modified _int_varargs.h
18175 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18177 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
18178 (LIB_LINUX_SPEC): Likewise.
18179 (LIB_LINUX_SPEC): Add support for -pthread
18180 (CPP_OS_LINUX_SPEC): Likewise.
18181 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
18184 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
18186 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
18188 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
18189 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
18190 for IEEE math and CC_FCOMI.
18191 (put_jump_code): No IEEE if CC_FCOMI is set.
18193 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18195 * fold-const.c (fold_truthop): Make the field reference unsigned
18196 when converting a single bit compare.
18198 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18200 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
18202 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
18204 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
18205 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
18208 * reload.c (push_reload): Do not call remove_address_replacements
18209 when presented with identical optional reloads.
18211 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
18213 * alpha.h (MASK_FIX, TARGET_FIX): New.
18214 (MASK_*): Reorganize constants.
18215 (CPP_AM_FIX_SPEC): New.
18216 (TARGET_SWITCHES): Add FIX.
18217 (EXTRA_SPECS): Likewise.
18218 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
18219 (SECONDARY_MEMORY_NEEDED): Likewise.
18220 (REGISTER_MOVE_COST): Likewise.
18221 * alpha.c (override_options): Add FIX support. Always use
18222 ALPHA_TP_PROG for ev6.
18223 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
18224 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
18225 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
18227 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
18229 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
18230 something is a candidate for optimize_bit_field_compare.
18232 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
18234 * gcc.texi (Passes): Document branch-shortening.
18235 * invoke.texi (Debugging Options): Document the fact that `-dp'
18236 outputs length information for instructions.
18238 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
18240 * flow.c: Revert previous delta.
18242 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
18244 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
18245 FRAME_POINTER_REGNUM.
18246 (mark_set_1): Ditto.
18247 (mark_used_regs): Ditto.
18249 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
18251 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
18252 (GOT_PCREL): New macro. Define to 1 if not already defined.
18253 * arm/elf.h (GOT_PCREL): Define to 0.
18254 * arm.c (arm_finalize_pic): Take into account the setting of
18257 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
18259 * output.h (STRIP_NAME_ENCODING): Provide default definition.
18260 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
18262 * flow.c (mark_set_1): Do not record BLKmode stores as dead
18263 store elimination candidates.
18265 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
18267 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
18270 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
18272 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
18273 Add use of x-aix41-gld.
18275 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
18277 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
18278 (ASM_OUTPUT_DESTRUCTOR): Define.
18280 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
18282 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
18283 last CODE_LABEL in a loop if we have previously passed a jump
18284 to the top of the loop.
18286 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
18288 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
18289 applying Philip's patch.
18291 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
18293 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
18296 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
18298 * loop.c (strength_reduce): Grow reg_single_usage as needed.
18300 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
18302 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
18303 Also remove a useless comment.
18305 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
18307 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
18309 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
18311 * collect2.c (main): Only generate import or export file and add
18312 to link arguments if non-empty. Use xmalloc not alloca.
18313 (write_{export,import}_file): Delete.
18314 (write_aix_file): New function.
18315 (locatelib): Use xmalloc not malloc.
18316 (GCC_OK_SYMBOL): Do not check type if aix64.
18318 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
18320 Based on patch by Scott Bambrough and Pat Beirne:
18321 * config/arm/arm.c (making_const_table): New variable.
18322 * config/arm/arm.h (making_const_table): Declare.
18323 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
18325 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
18326 Keep track of when we are building the constant table.
18328 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
18330 * config/arm/arm.c (arm_override_options): Fix erroneous warning
18333 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
18335 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
18338 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
18340 * tm.texi (FUNCTION_ARG): Correct description of a stack element
18343 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
18345 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
18347 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18349 * rs6000.c (output_mi_thunk): Enable full support again.
18351 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18353 * sh.h (BRANCH_COST): Define.
18355 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
18357 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
18359 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
18361 * function.c (assign_stack_local): Align stack slot propertly.
18362 (assign_outer_stack_local): Likewise.
18364 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
18366 * expr.h (lang_expand_constant): Declare.
18367 * toplev.c (lang_expand_constant): Define it.
18368 * varasm.c (output_constant): Use it.
18370 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18372 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
18373 Change function definitions to K&R style.
18375 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18377 * fixinc/fixincl.c: We must not ignore SIGCLD now.
18379 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
18381 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
18382 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
18383 (several places): omit static initialization
18384 (process): use single fd, since only the read fd is used
18385 * fixinc/gnu-regex.c: define 'const' away, if not supported
18386 * fixinc/procopen.c(several places): omit static initialization
18387 * fixinc/server.c: define 'volitile' away, if not supported
18389 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
18391 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
18392 asm_fprintf and %L to generate the label name.
18393 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
18394 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
18396 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
18398 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
18399 insn for a conditional jump can not be found.
18401 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
18403 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
18404 on variables in specific sections other than .sbss and .sdata.
18406 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
18408 * stmt.c (expand_return): Call start_cleanup_deferral and
18409 end_cleanup_deferral around conditional code.
18411 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
18413 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
18414 filename lists. Utilizes new "krstr" AutoGen function.
18415 * fixinc/fixincl.x: Rebuilt.
18417 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
18419 * i386.c (output_float_compare): Avoid GNU-C extensions.
18421 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
18423 * version.c: Bump to distinguish mainline tree from the
18426 See ChangeLog.1 for earlier changes.