1 Tue May 12 10:21:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * system.h: Define the STRINGIFY macro here.
4 * protoize.c: Not here.
5 * gengenrtl.c (DEF_RTL_EXPR): Use the STRINGIFY macro.
7 Tue May 12 00:47:33 1998 John Wehle (john@feith.com)
9 * varasm.c (assemble_variable): Compute the alignment of the data
10 earlier so that both initialized and uninitialized variables are
11 effected by DATA_ALIGNMENT.
12 * tm.texi (DATA_ALIGNMENT): Updated appropriately.
14 Mon May 11 19:57:58 1998 Jeffrey A Law (law@cygnus.com)
16 * mips.c: Prototype static functions.
18 Mon May 11 17:43:03 1998 Jim Wilson <wilson@cygnus.com>
20 * regmove.c (fixup_match_2, find_matches, regmove_profitable):
21 Add explanatory comments.
23 * sparc.h (SPARC_INCOMING_INT_ARG_FIRST): Support TARGET_FLAT.
25 Mon May 11 17:24:27 1998 Richard Henderson <rth@cygnus.com>
27 * sparc.md (ffsdi2): Disable. Simplify the expression as well.
29 Mon May 11 13:30:44 1998 Jim Wilson <wilson@cygnus.com>
31 * varasm.c (make_decl_rtl): Disable April 1 change.
33 Mon May 11 09:14:41 1998 Richard Henderson <rth@cygnus.com>
35 * configure.in (alpha-*-linux-gnu): Undo lossage from gcc2 merge.
37 Mon May 11 08:24:18 1998 Richard Henderson <rth@cygnus.com>
39 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Add '`'.
40 * alpha.c (print_operand): Handle it.
41 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): New patterns and
42 related define_splits. Also add peepholes for SImode reload
43 plus sign_extend lossage.
45 Mon May 11 09:33:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
47 * genattr.c: Include stdarg.h/varargs.h. Change function
48 `fatal' to use variable arguments instead of faking it with
49 integer parameters. Provide a prototype which also
50 checks the format specifiers using ATTRIBUTE_PRINTF_1.
52 * genattrtab.c: Likewise.
53 * gencodes.c: Likewise.
54 * genconfig.c: Likewise.
55 * genemit.c: Likewise.
56 * genextract.c: Likewise.
57 * genflags.c: Likewise.
58 * genopinit.c: Likewise.
59 * genpeep.c: Likewise.
60 * genrecog.c: Likewise.
61 * genoutput.c: Likewise. Similarly for function `error'.
63 Sun May 10 02:27:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
65 * acconfig.h (HAVE_VOLATILE): Insert stub for autoconf.
66 * alocal.m4 (GCC_C_VOLATILE): New autoconf test.
67 * configure.in: Use GCC_C_VOLATILE.
68 * system.h (volatile): Define as empty if no volatile support is
71 Sun May 10 01:21:43 1998 Jeffrey A Law (law@cygnus.com)
73 * genemit.c (output_add_clobbers): Removed unused variable 'i' from
76 Sat May 9 02:02:15 1998 Richard Henderson <rth@cygnus.com>
78 * loop.c (get_condition): Don't combine when either compare is MODE_CC.
79 * alpha.c (alpha_emit_conditional_branch): New function. Taken from
80 the body of beq; additionally set the mode of the branch to CCmode for
81 FP compares and not fast_math.
82 (alpha_emit_conditional_move): Always use a compare insn for FP
83 when not fast_math, as well as setting CCmode on the cmov.
84 * alpha.md (beq, bne, blt, et al): Call alpha_emit_conditional_branch.
86 * machmode.h (COMPLEX_MODE_P): New macro.
88 Sat May 9 01:53:23 1998 Richard Henderson <rth@cygnus.com>
90 * haifa-sched.c (print_exp): Fix typo.
92 Fri May 8 21:48:50 PDT 1998 Jeff Law (law@cygnus.com)
94 * version.c: Bump for snapshot.
96 Fri May 8 18:23:08 1998 Michael Meissner <meissner@cygnus.com>
98 * final.c (final_scan_insn): Call fatal_insn instead of abort if
99 we could not split an insn when required to.
101 * m32r.md ({add,sub}di3): Add define_splits and appropriate low
103 (peepholes): Disable peepholes that call dead_or_set_p.
104 (movsi): Rewrite to handle addresses better after last change.
105 Add define_split to split load of addresses in large/medium modes.
106 (prologue): Call m32r_expand_prologue.
107 (movsi_{push,pop}): Generators for push/pop.
108 (movsi): Support PRE_{INC,DEC}, POST_INC.
109 (mov{di,df}): Rewrite. Always split the insns.
110 (movsf): Add define_split to get register load in correct mode.
111 (cmp_ne_small_const_insn): Use 'N' instead of 'S' constraint.
112 (attributes): Rewrite attributes so that type indicates both the
113 type and the length of the insn directly.
114 (all insns): Change to use new type attributes.
115 (debug): New attribute to convey whether -mdebug was used.
116 (opt_space): New attribute to convey whether -Os was used.
117 (function units): Loads are 3 cycles, not 2. Better classify all
118 insns into short/long.
119 (load/store/extend insns): Add separate case for load/store
120 indirect operations without an offset.
121 (divsi3): Division is a long operation, not short.
123 * m32r.h (LEGITIMATE_LO_SUM_ADDRESS_P): Do not allow LO_SUM for
125 (GO_IF_MODE_DEPENDENT_ADDRESS): LO_SUM is now mode dependent.
126 (CONST_OK_FOR_LETTER_P): Make 'N' handle reverse 8 bit compares.
127 (EXTRA_CONSTRAINT): Remove 'S' special support. Add 'U' for
128 operands with PRE_{INC,DEC}, POST_INC.
129 (FUNCTION_PROFILER): Call abort instead of doing nothing.
130 (GO_IF_LEGITIMATE_ADDRESS): Allow PRE_{INC,DEC}, POST_INC of
132 (gen_split_move_double): Declare.
133 (EXTRA_CONSTRAINT): Add 'T' for memory reference with no offset.
135 * m32r.c (gen_split_move_double): Fix typo. Also, don't call
136 emit_move_insn, build up SET's directly.
137 (toplevel): Include system.h, not stdio.h.
138 (move_double_src_operand): Allow any DF or DI mode constant.
139 (gen_split_move_double): Split moves of DI or DF values into the
140 appropriate moves, loads, or stores. Don't handle use of auto
141 inc/dec if using dead index. Do handle overlapping moves, etc.
142 (m32r_frame_info): Remove prologue_size field.
143 (m32r_compute_frame_size): Don't calculate prologue size.
144 (m32r_output_function_prologue): Change to pretty much a NOP.
145 (m32r_expand_prologue): Expand prologue as a series of INSNs.
146 (m32r_print_operand): Add support for PRE_{INC,DEC}, POST_INC.
147 (m32r_print_operand_address): Ditto.
149 Fri May 8 14:13:21 1998 H.J. Lu (hjl@gnu.org)
151 * reload1.c (emit_reload_insns): When performing expensive
152 optimizations, do not output the last reload insn if OLD is
153 not the dest of NSN and is in the src and is clobbered by INSN.
155 Fri May 8 09:47:29 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
157 * Makefile.in (genrtl.o): Depend on system.h.
158 * gengenrtl.c (gencode): When creating genrtl.c, have it
161 Fri May 8 10:57:33 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
163 * config/m68k/t-linux: Remove extra stuff already included in
166 Fri May 8 09:53:24 Paul Eggert <eggert@twinsun.com>
168 * fixinc.wrap: Renamed from fixinc.math. Put wrapper around
169 curses.h if it contains `typedef char bool;', as suggested by
170 Manfred Hollstein <manfred@s-direktnet.de>.
172 * configure.in: Rename fixinc.math to fixinc.wrap.
174 Thu May 7 19:26:34 1998 Jim Wilson <wilson@cygnus.com>
176 * gcc.c (read_specs): Handle missing blank line at end of specs file.
178 * i386.md (movsicc, movhicc, movsicc_1, movhicc_1, movsfcc_1,
181 Thu May 7 15:39:14 1998 Jim Wilson <wilson@cygnus.com>
183 * configure.in (enable_threads): Rename to enable_threads_flag before
184 main loop. Set enable_threads to enable_threads_flag inside main
187 Thu May 7 17:38:03 1998 Michael Meissner <meissner@cygnus.com>
189 * r6000/eabi.asm (__eabi): Restore LR in case __eabi is called
192 Thu May 7 14:26:05 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
194 * aclocal.m4 (GCC_FUNC_VFPRINTF_DOPRNT): New macro.
196 * configure.in: Add a call to GCC_FUNC_VFPRINTF_DOPRNT.
197 (AC_CHECK_HEADERS): Remove unused check for varargs.h,sys/varargs.h.
198 (AC_CHECK_FUNCS): Remove unused check for vprintf.
200 * Makefile.in: Add support for linking in vfprintf.c and doprint.c.
201 (cccp.o): Depend on gansidecl.h.
204 * cccp.c: Convert from using PRINTF_ALIST/PRINTF_DCL to VPROTO as
205 per the rest of gcc source.
206 * cexp.y: Likewise. Include gansidecl.h and remove all code made
209 * cccp.c: Remove checks for HAVE_VPRINTF and the associated code
210 used when vfprintf is missing.
213 * genattrtab.c: Likewise.
214 * mips-tfile.c: Likewise.
215 * toplev.c: Likewise.
217 * vfprintf.c: New file.
218 * doprint.c: New file.
220 Thu May 7 10:18:41 1998 Jeffrey A Law (law@cygnus.com)
222 * config/linux.h (ASM_COMMENT_START): Remove from here,
223 * config/linux-aout.h (ASM_COMMENT_START): and here,
224 * config/i386/linux.h (ASM_COMMENT_START): to here,
225 * config/i386/linux-aout.h (ASM_COMMENT_START): and here.
226 * config/i386/linux-oldld.h (ASM_COMMENT_START): Define
229 Thu May 7 10:55:59 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
231 * config/m68k/m68k.md (adddi3, subdi3): Properly negate the DImode
234 Wed May 6 22:32:37 CDT 1998 Robert Lipe <robertl@dgii.com>
236 * Makefile.in (dwarfout.o) Add toplev.h dependency.
237 * dwarfout.c, i386.c: Include toplev.h
238 * toplev.h: (pfatal_with_name) Add prototype.
240 Wed May 6 19:02:29 1998 Jason Merrill <jason@yorick.cygnus.com>
242 * Makefile.in: Fix .SUFFIXES.
244 Wed May 6 19:31:32 1998 Alan Modra <alan@spri.levels.unisa.edu.au>
246 * config/linux.h (ASM_COMMENT_START): Define as "#".
247 * config/linux-aout.h (ASM_COMMENT_START): Likewise.
249 Wed May 6 15:51:39 1998 Jim Wilson <wilson@cygnus.com>
251 * objc/Make-lang.h (objc-parse.o): Add toplev.h dependency.
252 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
254 * toplev.c: Include toplev.h.
255 * Makefile.in (c-common.o, c-convert.o, c-decl.o, c-iterate.o,
256 c-lex.o, c-parse.o, c-pragma.o, c-typeck.o, calls.o, convert.o,
257 dwarf2out.o, except.o, expr.o, final.o, fold-const.o, function.o,
258 hash.o, profile.o, real.o, reg-stack.o, regclass.o, reload.o,
259 reload1.o, stmt.o, stor-layout.o, tlink.o, tree.o, varasm.o): Add
262 * mips/mips.c (save_restore_insns): Change FRAME_POINTER_REGNUM to
263 HARD_FRAME_POINTER_REGNUM.
265 * expr.c (target_temp_slot_level): Delete duplicate definition.
267 Wed May 6 16:46:01 1998 Jeffrey A Law (law@cygnus.com)
269 * stmt.c (mark_seen_cases): Make it have external linkage again.
270 * expr.h (mark_seen_cases): Add declaration, but only when tree.h
273 * haifa-sched.c (print_value, case SUBREG): Fix typo.
275 * i386.c (output_387_binary_op): Add some braces to avoid warnings.
276 * i386.h (REG_CLASS_CONTENTS): Similarly.
278 * toplev.c (-fsched-max): Delete flag.
279 (-fsched-interblock-max-blocks,-fsched-interblock-max-insns): Likewise.
280 * haifa-sched.c: Remove -fsched-max-N, -fsched-interblock-max-blocks-N
281 and -fsched-interblock-max-insns-N support. Remove INTERBLOCK_DEBUG
284 * haifa-sched.c (find_rgns): Correctly handle reducible loops with
285 inner loops which are not reducible.
287 * loop.c (regs_match_p): Fix typo in prototype.
289 * regmove.c (try_auto_increment): Wrap declaration inside an
292 Wed May 6 17:07:47 1998 Michael Meissner <meissner@cygnus.com>
294 * final.c (output_operand_lossage): Call fatal with the operand
295 lossage message instead of calling abort.
297 Wed May 6 15:37:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
299 * c-common.c: Convert to using ctype macros defined in system.h.
302 * collect2.c: Likewise.
303 * rs6000.c: Likewise.
304 * cpplib.c: Likewise.
305 * fix-header.c: Likewise.
307 * gen-protos.c: Likewise.
308 * pexecute.c: Likewise.
309 * protoize.c: Likewise.
314 * toplev.c: Likewise.
316 Wed May 6 14:44:14 1998 Gavin Koch <gavin@cygnus.com>
318 * config/mips/r3900.h (SUBTARGET_ASM_DEBUGGING_SPEC) :
319 Replace -gdwarf-2 with -g0.
321 Wed May 6 11:43:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
323 * Makefile.in (mips-tfile.o, mips-tdump.o): Depend on system.h.
324 * mips-tdump.c: Include system.h, remove redundant headers.
325 * mips-tfile.c: Likewise. Also, convert all ctype function calls
326 to calls of the macro versions defined in system.h.
328 * objc/Make-lang.in (objc-act.o): Depend on system.h.
329 * objc/objc-act.c: Include system.h, remove redundant headers.
331 Wed May 6 11:21:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
333 * configure.in (AC_CHECK_FUNCS): Add isascii.
334 (GCC_NEED_DECLARATIONS): Add atof.
336 * system.h: Provide prototypes for abort, atof, atol and sbrk here.
337 * rtl.c, rtl.h, toplev.c, tree.h: Not here.
339 Wed May 6 10:52:49 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * system.h: Wrap time.h and sys/file.h in autoconf checks.
342 Provide default definitions for O_RDONLY and O_WRONLY here.
344 * cccp.c, cpplib.c, fix-header.c, gcc.c, protoize.c: Not here.
346 1998-05-06 Mark Mitchell <mmitchell@usa.net>
348 * tree.h (IS_EXPR_CODE_CLASS): Remove bogus '3'.
350 Wed May 6 06:35:38 1998 Robert Lipe <robertl@dgii.com>
352 * toplev.h: New file. Protypes for functions in toplev.c.
353 * tree.h, rtl.h: Deleted protos for functions in toplev.c.
354 * c-common.c, c-convert.c, c-decl.c, c-iterate.c, c-lex.c,
355 c-parse.in, c-parse.y, c-pragma.c, c-typeck.c, calls.c,
356 convert.c, dwarf2out.c, except.c, expr.c, final.c, fold-const.c,
357 function.c, hash.c, profile.c, real.c, reg-stack.c, regclass.c,
358 reload.c, reload1.c, stmt.c, stor-layout.c, tlink.c, tree.c,
359 varasm.c: include it.
361 Wed May 6 01:09:01 1998 Jeffrey A Law (law@cygnus.com)
362 Jim Wilson (wilson@cygnus.com)
364 * haifa-sched.c (find_rgns): In no_loops case, fix test for leaf
365 blocks. Check for 1 successor which is the EXIT_BLOCK.
367 * haifa-sched.c (find_rgns): Detect unreachable blocks, including
368 unreachable loops with more than one block.
370 Wed May 6 08:22:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
372 * fix-header.c (write_rbrac): Add "abort" to functions which need to
375 Wed May 6 00:09:36 1998 Jeffrey A Law (law@cygnus.com)
377 * Check in merge from gcc2. See ChangeLog.12 for details.
379 Tue May 5 14:33:49 1998 Jim Wilson <wilson@cygnus.com>
381 * c-common.c (scan_char_table): Separate 's' and 'c'. 'c' does not
382 accept 'a' flag. 'S' does accept 'a' flag.
383 (check_format_info): When pedantic, warn for m/C/S/a/A formats,
386 * elf64.h (MULTILIB_DEFAULTS): Move definition after mips.h include.
388 Tue May 5 10:50:39 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
390 * config/m68k/m68k.h: Declare functions from m68k.c used in
391 macros and machine description.
392 (ASM_OUTPUT_LONG_DOUBLE): Always use `l' flag in print format for
394 (ASM_OUTPUT_FLOAT): Likewise.
395 (ASM_OUTPUT_FLOAT_OPERAND): Likewise.
397 Tue May 5 01:28:12 1998 Jason Merrill <jason@yorick.cygnus.com>
399 * tree.def: Add NAMESPACE_DECL.
400 * dwarfout.c (type_ok_for_scope): Ignore NAMESPACE_DECLs for now.
401 * dwarf2out.c (push_decl_scope): Likewise.
402 (scope_die_for): Likewise.
403 * tree.c (decl_function_context): Use TREE_CODE_CLASS to determine
404 how to get next context level.
406 Tue May 5 01:43:16 1998 Jim Wilson <wilson@cygnus.com>
408 * i386.c (output_fix_trunc): Add code to emulate non-popping DImode
411 Tue May 5 01:15:06 1998 Jeffrey A Law (law@cygnus.com)
413 * h8300.h (ADDITIONAL_REGISTER_NAMES): Add "er" registers.
415 * reorg.c (fill_slots_from_thread): Update REG_DEAD/REG_UNUSED notes
416 for any insns skipped at the start of a block because they were
419 Mon May 4 20:23:51 1998 Jim Wilson <wilson@cygnus.com>
421 * alpha.h (DBX_CONTIN_LENGTH): Decrease to 3000.
423 1998-05-04 Ulrich Drepper <drepper@cygnus.com>
425 * c-common.c (format_char_info): Add new field hhlen.
426 (print_char_table, scan_char_table, time_char_table): Initialize
427 hhlen field appropriately.
428 (char_format_info): Recognize hh modifier and lookup correct char
431 Mon May 4 19:15:29 1998 Jim Wilson <wilson@cygnus.com>
433 * expr.c (expand_expr, case INDIRECT_REF): Don't optimize string
434 reference if this is a store.
436 Mon May 4 17:25:17 1998 Richard Henderson <rth@cygnus.com>
438 * sparc.c (output_move_quad): Fix typo in mov_by_64 argument.
440 Sun May 3 23:57:25 1998 Robert Lipe <robertl@dgii.com>
442 Make UnixWare 7 bootstrap support work with final shipping product.
443 * configure.in: (i[34567]86-*-sysv5): append, not overwrite, xm_file.
444 Pick up xm-siglist and xm-alloca.
445 (xm_defines): Add USG so dbxout will build.
446 * configure: Regenerate.
448 Sun May 3 13:51:34 PDT 1998 Richard Henerson <rth@cygnus.com>
450 Support for official Sparc V9 ABI:
451 * sparc.c (sparc_override_options): Force stack bias off for !arch64.
452 Care for flag_pcc_struct_return default.
453 (output_move_quad): Rewrite to move by halves on v9 and in the
455 (move_quad_direction): New function.
456 (output_fp_move_quad): Use it to determine the direction of copy.
457 (function_arg_slotno): Return -1 for FP reg overflow as well.
458 (function_arg_record_value*): New functions.
459 (function_arg): Use them. Streamline unprototyped parameter passing.
460 (function_arg_pass_by_reference): Pass TCmode by reference.
461 (function_value): New function.
462 * sparc.h (PTRDIFF_TYPE, SIZE_TYPE): For -pedantic's sake, don't use
463 long long in 64-bit mode.
464 (RETURN_IN_MEMORY): v9 returns structs < 32-bytes in regs.
465 (DEFAULT_PCC_STRUCT_RETURN): Make the default detectable.
466 (BASE_RETURN_VALUE_REG): Consider complex float types for arch64.
467 (BASE_OUTGOING_VALUE_REG, BASE_PASSING_ARG_REG): Likewise.
468 (BASE_INCOMING_ARG_REG): Likewise.
469 (FUNCTION_VALUE): Call function_value.
470 (FUNCTION_OUTGOING_VALUE, LIBCALL_VALUE): Likewise.
471 * sparc.md (movdi_sp32_v9): Disable for arch64.
472 (movsf, movdf, movtf): Sort all ulternatives using fp regs first.
473 (call_value_address_sp64): Remove register class constraints.
474 (call_value_symbolic_sp64): Likewise.
475 (nonlocal_goto): Pass label reg directly to goto_handlers. Constrain
476 v9 case to 32-bit constants.
477 (goto_handler_and_restore_v9): Provide a version for arch64.
478 * sparc/linux64.h (SIZE_TYPE, PTRDIFF_TYPE): Remove private definition.
479 * sparc/sp64-aout.h (TARGET_DEFAULT): Turn on stack bias.
480 (CPP_PREDEFINES): New.
481 * sparc/sp64-elf.h: Likewise.
482 (PREFERRED_DEBUGGING_TYPE): Dwarf2.
483 (ASM_OUTPUT_DWARF2_ADDR_CONST): New.
484 * sparc/sysv4.h (SIZE_TYPE, PTRDIFF_TYPE): Undo svr4.h's changes.
486 Sat May 2 17:47:17 PDT 1998 Jeff Law (law@cygnus.com)
488 * version.c: Bump for snapshot.
490 Sat May 2 01:37:29 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
492 * reload.c (find_reloads): Emit USEs to mark where a pseudo
493 is reloaded with the MEM of its stack slot.
494 * reload1.c (cannot_omit_stores): Delete.
495 (reload): Don't initialize it.
496 Don't apply avoid_return_reg logic to USEs.
497 When done, remove USEs that have a REG_EQUAL note on them.
498 (emit_reload_insns): Handle case where we have inherited a MEM.
499 (delete_output_reload): Don't use cannot_omit_stores.
501 Thu Apr 30 18:59:03 1998 Jim Wilson <wilson@cygnus.com>
503 * Makefile.in (cpp.info, gcc.info): Put -o option before input file.
505 Thu Apr 30 16:57:34 1998 Michael Meissner <meissner@cygnus.com>
507 * haifa-sched.c (print_{exp,value}): Various changes to make the
508 debug output easier to read. Also, use only one buffer, and make
509 sure the buffer we are passed in doesn't overflow.
510 (safe_concat): Concatenate to a buffer without overflow.
512 Thu Apr 30 16:57:34 1998 Kaveh R. Ghazi" <ghazi@caip.rutgers.edu>
514 * haifa-sched.c (alloc_{INSN,EXPR}_LIST): Make static to agree
517 Wed Apr 29 21:45:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
519 * sched.c (new_insn_dead_notes): Check if the register was
520 used in the original instruction.
521 * haifa-sched.c (new_insn_dead_notes): Likewise.
523 Wed Apr 29 13:46:03 1998 Jim Wilson <wilson@cygnus.com>
525 * dwarf2out.c (scope_die_for): If could not find proper scope,
526 check for and handle tagged type with incorrect TYPE_CONTEXT.
528 Wed Apr 29 15:34:40 1998 John Carr <jfc@mit.edu>
530 * calls.c (expand_call): Fix recognition of C++ operator new.
532 * alias.c (mode_alias_check): Disable type based alias detection.
534 Wed Apr 29 15:06:42 1998 Gavin Koch <gavin@cygnus.com>
536 * config/mips/elf.h (ASM_OUTPUT_DEF,ASM_WEAKEN_LABEL,
537 ASM_OUTPUT_WEAK_ALIAS): Define.
538 * config/mips/elf64.h: Same.
539 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
540 ASM_WEAKEN_LABEL): Removed.
542 Wed Apr 29 10:53:29 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
544 * calls.c (expand_call): Bump the length limit on the specially
545 recognized function names to 17.
547 Tue Apr 28 17:53:33 1998 Jim Wilson <wilson@cygnus.com>
549 * ginclude/stddef.h: Add check for _MACHINE_ANSI_H_ for BSD/OS
550 when undefining macros at the end.
552 * expr.c (expand_builtin, case BUILT_IN_MEMSET): Break if either
553 val or len has TREE_SIDE_EFFECTS set.
555 * sparc.md (mulsidi3): Call const v8plus and v8plus routines.
556 (mulsidi3_v8plus, const_mulsidi3_v8plus): Delete asterisk from name.
557 (smuldi3_highpart): Call const v8plus routine.
558 (smulsi3_highpart_v8plus): Renamed from smulsidi3_highpart_v8plus.
559 (const_smulsi3_highpart_v8plus): New pattern.
560 (smulsi3_highpart_sp32): Renamed from smulsidi3_highpart_sp32.
561 (umulsidi3): Call const v8plus routine.
562 (umulsi3_highpart): Handle const before v8plus. Call const v8plus
564 (umulsi3_highpart_v8plus): Renamed from umulsidi3_highpart_v8plus.
565 (umulsi3_highpart_sp32): Renamed from umulsidi3_highpart_sp32.
567 Tue Apr 28 08:55:26 1998 Michael Meissner <meissner@cygnus.com>
569 * m32r.c (*_oper{and|ator}): Change enum arguments and return
570 values to int, so they can be prototyped even in files that don't
572 ({small,large}_insn_p): Ditto.
573 (m32r_select_cc_mode): Ditto.
574 (gen_compare): Ditto.
575 (function_arg_partial_nregs): Ditto.
576 (m32r_setup_incoming_varargs): Ditto.
577 (init_reg_tables): Add prototype.
578 (m32r_frame_info): Add prolog_size field.
579 (m32r_compute_frame_size): Calculate the size of the prologue.
580 (m32r_first_insn_address): Return prologue size.
581 (m32r_output_function_prologue): Calculate frame size before
582 printing out information. Print out the prologue size.
584 * m32r.h: Prototype all functions in m32r.c.
585 (FIRST_INSN_ADDRESS): Declare, returning prologue size.
587 * m32r.md (bcc functions): Cast enum's to int.
589 * m32r.c (conditional_move_operand): Silence a debug message.
590 ({small,long}_insn): New predicates.
592 * m32r.h (TARGET_M32R): New macro.
593 (PREDICATE_CODES): Rearrange somewhat, add small_insn/long_insn.
594 (HAIFA_P): Define as 1/0 depending on whether the Haifa scheduler
596 (ISSUE_RATE): Define as 2.
598 * m32r.md (insn_size): New attribute.
599 ({,rev_}branch_insn): Add .s qualifier to branches believed to be
601 (m32r): New attribute.
603 * configure.in (enable_haifa): Switch m32r to Haifa by default.
604 * configure: Regenerate.
606 (Changes from Nick Clifton <nickc@cygnus.com>)
607 * m32r.h (EXTRA_CONSTRAINT): Implement 'S' constraint to perfoirm
608 the equivalent of a negated 'I' constraint.
609 (PRESERVE_DEATH_INFO_REGNO_P): Define in order to allow peephole
610 optimisation to work.
612 * m32r.md (cmp_ne_small_const_insn): Use 'S' constriant rather
613 than 'I' since the value is negated.
614 (peephole): Add peephole optimisation to cope with optimization of
615 divide and subtracts of the same operands.
617 * m32r.c zero_and_one, emit_cond_move): Add support for MVFC.
621 * m32r.h (PREDICATE_CODES): Add declaration of machine specific
624 Tue Apr 28 07:25:53 1998 Manfred Hollstein <manfred@s-direktnet.de>
626 * Makefile.in (libgcc2.ready): Revert last patch (Apr 24).
628 Mon Apr 27 18:39:47 1998 Nick Clifton <nickc@cygnus.com>
630 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Check against
631 frame_pointer_rtx not FRAME_POINTER_REGNUM.
633 Mon Apr 27 18:36:28 1998 Jim Wilson <wilson@cygnus.com>
635 * reg-stack.c: Revert last patch (Apr 20).
636 (convert_regs): Set insn to PREV_INSN (next) after do while loop.
638 * m68k/lb1sf68.asm (Laddsf$3): Fix typos in mcf5200 exg code.
640 * loop.c (check_dbra_loop): New locals jump, first_compare, and
641 compare_and_branch. Call get_condition to set first_compare.
642 Set compare_and_branch to number of compare/branch instructions.
643 Replace PREV_INSN (PREV_INSN (loop_end)) with first_compare.
644 Replace '2' with compare_and_branch.
646 Mon Apr 27 15:53:30 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
648 * cplus-dem.c (demangle_qualified): Replace missing else.
650 Mon Apr 27 20:22:08 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
652 * sh.c (gen_ashift_hi): Don't make SUBREG of a SUBREG.
654 Mon Apr 27 18:23:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
656 * sh.c (sh_expand_prologue, sh_expand_epilogue):
657 If TARGET_DOUBLE_ALIGN, preserve 64 bit stack alignment.
658 * sh.h (STACK_BOUNDARY): Likewise.
660 Mon Apr 27 17:22:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
662 * sh.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
664 Mon Apr 27 08:55:23 1998 Michael Meissner <meissner@cygnus.com>
666 * system.h (abort): If abort is not defined, and neither is
667 USE_SYSTEM_ABORT, redefine abort to call fprintf and exit,
668 reporting the line and filename of the error.
670 * .gdbinit: Add breakpoints on exit and fancy_abort.
672 * final.c (split_double): Avoid a compiler warning if
673 BITS_PER_WORD is less than or equal to HOST_BIT_PER_WIDE_INT.
675 * rtl.h (JUMP_{CROSS_JUMP,NOOP_MOVES,AFTER_REGSCAN}): New macros
676 for calling jump_optimize.
678 * toplev.c (rest_of_compilation): Call jump_optimize using JUMP_*
679 macros, rather than 0/1's.
681 Sun Apr 26 23:19:10 1998 Richard Henderson <rth@cygnus.com>
683 * alpha.h (CONST_COSTS): Zero is always free.
684 (RTX_COSTS): Add EV6 costs. Abort if alpha_cpu is unknown.
686 Sun Apr 26 15:38:50 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
688 * cplus-dem.c (gnu_special): Fix off-by-one bug when checking the
689 length in the name of a virtual table.
691 Sun Apr 26 01:21:06 1998 Richard Henderson <rth@cygnus.com>
693 * alpha.c (print_operand): Don't add 'v' suffix for ALPHA_FPTM_N.
695 Sat Apr 25 22:11:38 PDT 1998 Jeff Law (law@cygnus.com)
697 * version.c: Bump for snapshot.
699 Sat Apr 25 17:17:15 1998 Jeffrey A Law (law@cygnus.com)
701 * fold-const.c (fold_convert): Fix typo.
703 Sat Apr 25 17:55:54 1998 John Carr <jfc@mit.edu>
705 * alias.c (alias_invariant): New variable.
706 (record_base_value): New argument INVARIANT.
707 (memrefs_conflict_p): If a register has an entry in the alias_invariant
708 array, try substituting that value for the register.
710 * rtl.h: Declare record_base_value.
712 * loop.c, unroll.c: Update callers of record_base_value.
714 * alias.c (find_base_value, find_base_term): SIGN_EXTEND and
715 ZERO_EXTEND do not affect base values.
717 Fri Apr 24 15:57:02 1998 Jeffrey A Law (law@cygnus.com)
719 * dbxout.c (dbxout_type): Fix typo.
720 (dbxout_range_type): Another HOST_WIDE_INT_PRINT_DEC fix.
722 * configure.in: Use CC_FOR_BUILD, not BUILD_CC.
724 Fri Apr 24 16:11:47 1998 John Carr <jfc@mit.edu>
726 * expr.c (expand_builtin, case MEMSET): Set MEM_IN_STRUCT_P
727 if the argument is the address of a structure or array.
729 * configure.in: Enable Haifa scheduler by default for SPARC.
731 Fri Apr 24 20:55:47 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
733 * cse.c (cse_set_around_loop): Don't do optimization when
734 new pseudos are created.
736 Fri Apr 24 11:00:18 1998 Jeffrey A Law (law@cygnus.com)
738 * dbxout.c (dbxout_type_fields): Use HOST_WIDE_INT_PRINT_DEC
740 (dbxout_type_method_1, dbxout_type): Likewise.
741 (print_int_cst_octal, print_octal, dbxout_symbol): Likewise.
742 (dbxout_type): Fix check for when to print a type range in
745 Fri Apr 24 16:45:03 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
747 * (gen_shl_and, in case 1): Fix comparison with mask.
749 Fri Apr 24 06:46:40 1998 Nick Clifton <nickc@cygnus.com>
751 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Disallow frame
752 pointer as second register in REG+REG pair.
754 Fri Apr 24 09:22:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
756 * c-common.c (check_format_info): Don't check for the 'x' format
757 character twice, instead check for 'x' and 'X'
759 Fri Apr 24 08:02:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
761 * Makefile.in (libgcc2.ready): Add explicit dependancy from
762 $(STMP_FIXPROTO) to ensure all necessary include files have
763 been created and to guarantee proper parallel builds.
765 Fri Apr 24 04:42:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
767 * sh.c (sh_expand_prologue, in !SH3E code): Don't push an extra
768 register for stdarg functions.
769 * sh.h (current_function_varargs): Declare.
770 (FUNCTION_ARG): Ignore NAMED for stdarg functions.
772 1998-04-23 Jim Wilson <wilson@cygnus.com>
774 * frame.c, libgcc2.c (stdlib.h, unistd.h): Don't include when
775 inhibit_libc is defined.
777 * c-aux-info.c (gen_type): Use DECL_NAME only for TYPE_DECL.
779 Thu Apr 23 19:09:33 1998 Jim Wilson <wilson@cygnus.com>
781 * profile.c (tablejump_entry_p): New function.
782 (branch_prob): Add code to recognize MIPS tablejump entry branch.
783 Use tablejump_entry_p in MIPS and HPPA tablejump checking code.
785 Thu Apr 23 15:01:13 1998 Nick Clifton <nickc@cygnus.com>
787 * config/arm/arm.c (find_barrier): Return as soon as a barrier is
788 found, rather than at end of the loop, after the insn has been
791 Thu Apr 23 20:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
793 * sh.c (gen_ashift_hi): Implement right shifts via gen_ashift.
794 * sh.md (ashrhi3_k, lshrhi3_k, lshrhi3_m, lshrhi3, lshrhi3+1): Delete.
796 Wed Apr 22 17:07:35 1998 Michael Meissner <meissner@cygnus.com>
798 * loop.c (note_addr_stored): Correct function to take 2 arguments,
801 * rtl.def (MATCH_INSN2): Add new matching pattern.
802 * genrecog.c (add_to_sequence): Support MATCH_INSN2.
804 Wed Apr 22 15:52:22 1998 John Carr <jfc@mit.edu>
806 * emit-rtl.c (gen_highpart): The high part of a CONST_INT is not zero
807 if HOST_BITS_PER_WIDE_INT is larger than BITS_PER_WORD.
809 * final.c (split_double): Sign extend both halves of a split CONST_INT.
811 Wed Apr 22 10:42:45 1998 Jeffrey A Law (law@cygnus.com)
813 * mips.c (compute_frame_size): Change only argument to a HOST_WIDE_INT.
815 Wed Apr 22 10:53:49 EDT 1998 Andrew MacLeod <amacleod@cygnus.com>
817 * cplus-dem.c (struct work stuff): Add field for B and K mangle codes.
818 (cplus_demangle_opname): Call mop_up_squangle.
819 (cplus_demangle): Initialize squangle info, then call
820 internal_cplus_demangle. (Most code moved there as well)
821 (internal_cplus_demangle): New function, performs most of what use
822 to be done in cplus_demangle, but is only called with this file.
823 (squangle_mop_up): New function to clean up B and K code data.
824 (mop_up): set pointers to NULL after freeing.
825 (demangle_signature, demangle_template, demangle_class): Add
826 switch elements to handle K and B codes.
827 (demangle_prefix, gnu_special, demangle_qualified): Add
828 code to handle K and B codes.
829 (do_type, demangle_fund_type): Handle B and K codes.
830 (remember_Ktype): New function to store K info.
831 (register_Btype, remember_Btype): New functions for B codes.
832 (forget_B_and_K_types): New function to destroy B and K info.
834 1998-04-21 Jim Wilson <wilson@cygnus.com>
836 * stmt.c (check_seenlabel): When search for line number note for
837 warning, handle case where there is no such note.
839 Tue Apr 21 20:48:37 1998 John Carr <jfc@mit.edu>
841 * genemit.c (gen_exp): Allow machine description to set mode of
844 Tue Apr 21 16:36:01 1998 John Carr <jfc@mit.edu>
846 * alias.c (mode_alias_check): New function.
847 (true_dependence, anti_dependence, output_dependence): Call
850 Tue Apr 21 12:05:32 1998 Jeffrey A Law (law@cygnus.com)
852 * mips.h (STACK_BOUNDARY): Allow specific targets to override.
853 (MIPS_STACK_ALIGN): Similarly.
855 * c-common.c (type_for_mode): Handle TI types.
856 * c-decl.c (intTI_type_node, unsigned_int_TI_type_node): Define.
857 (init_decl_processing): Handle TI types.
858 * c-tree.h (intTI_type_node, unsigned_int_TI_type_node): Declare.
860 * mips.c (block_move_loop): Test Pmode == DImode instead of
862 (expand_block_move, save_restore_insns): Likewise.
863 (function_prologue, mips_expand_prologue): Likewise.
864 (mips_expand_epilogue): Likewise.
865 * mips.h (POINTER_SIZE): Allow specific targets to override.
866 (Pmode): Allow specific targets to override.
867 (FUNCTION_PROFILER): Test Pmode == DImode instead of TARGET_MIPS64
868 (POINTER_BOUNDARY, FUNCTION_MODE): Likewise.
869 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
870 (TRAMPOLINE_ALIGNMENT, INITIALIZE_TRAMPOLINE): Likewise.
871 (CASE_VECTOR_MODE, ASM_OUTPUT_ADDR_VEC_ELT): Likewise.
872 (ASM_OUTPUT_ADDR_DIFF_ELT, SIZE_TYPE, PTRDIFF_TYPE): Likewise.
873 * mips.md (indirect, tablejump & casesi support): Test for
874 Pmode == DImode instead of TARGET_MIPS64.
875 (call patterns): Likewise.
877 Tue Apr 21 09:43:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
879 * objc/sendmsg.c: Define gen_rtx_MEM() to 1, as is already done
880 for gen_rtx(MEM, ...).
882 Tue Apr 21 02:15:36 1998 Richard Henderson <rth@cygnus.com>
884 * sparc.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Rewrite
885 to not be so gross, and to properly function with PIC.
887 Mon Apr 20 20:44:25 1998 Jim Wilson <wilson@cygnus.com>
889 * frame.c (heapsort): Rename to frame_heapsort.
891 * gcc.c (do_spec_1, case '['): Move flag out of loop and initialize it.
893 Mon Apr 20 12:43:09 1998 Doug Evans <devans@canuck.cygnus.com>
895 * flow.c (sbitmap_vector_alloc): Ensure sbitmaps properly aligned.
897 Mon Apr 20 15:04:14 1998 John Wehle (john@feith.com)
899 * i386.md (movsf_push, movdf_push, movxf_push): Allow memory
900 operands during and after reload.
902 Mon Apr 20 22:37:50 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
904 * final.c (shorten_branches, init_insn_lengths): Move code
905 to free label_align, uid_shuid, insn_lengths, insn_addresses
906 and uid_align from the former function into the latter one;
907 Add code to clear these variables.
908 * sh.h (label_align): Remove declaration.
910 Mon Apr 20 14:48:29 1998 Michael Meissner <meissner@cygnus.com>
912 * gcc.c (lang_specific_driver): Declare prototype properly so
913 fatal can be passed to it without error.
915 * configure.in (AC_CHECK_FUNCS): Check for strchr and strrchr.
916 * configure: Regenerate.
917 * config.in: Add #undef's for strchr and strrchr.
919 * protoize.c (toplevel): If we have rindex, but not strrchr, map
921 (file_could_be_converted): Use strrchr, not rindex since rindex is
922 not defined on Linux systems when _POSIX_SOURCE is defined.
923 (file_normally_convertible): Ditto.
924 (process_aux_info_file): Ditto.
927 * rs6000.md (mov{sf,df} define_splits): When splitting a move of
928 a constant to an integer register, don't split the insns that do
929 the simple AND and OR operations, rather just split each word, and
930 let the normal movsi define split handle it further.
932 Mon Apr 20 18:19:40 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
934 * sh.c (find_barrier): Fix bug in ADDR_DIFF_VEC handling.
935 (split_branches): Call init_insn_lengths.
937 Mon Apr 20 07:37:49 1998 Michael Meissner <meissner@cygnus.com>
939 * i386.c: Include expr.h to get the change_address prototype
942 Mon Apr 20 01:00:05 1998 H.J. Lu (hjl@gnu.org)
944 * reg-stack.c (subst_asm_stack_regs): Change to return the last
945 new insn generated by this function.
946 (subst_stack_regs): Likewise.
947 (convert_regs): Record the last newly generated insn and use
948 it for change_stack () instead of INSN.
950 Sun Apr 19 15:41:24 1998 Manfred Hollstein <manfred@s-direktnet.de>
952 * fix-header.c (enum special_file): Undefine enumerators if they
953 are already defined by include files.
954 * fixproto (rel_source_file in unistd.h stdlib.h): Prefix file protection
955 macro with '__' to not pollute user namespace.
957 Sun Apr 19 02:42:06 1998 Richard Henderson <rth@cygnus.com>
959 * haifa-sched.c (queue_to_ready): Fix typo in prototype.
961 Sat Apr 18 23:52:35 PDT 1998 Jeff Law (law@cygnus.com)
963 * version.c: Bump for snapshot.
965 Sat Apr 18 18:30:22 1998 Jim Wilson <wilson@cygnus.com>
967 * i386.md (fix_truncsfdi2+[123]): Add + to operand 1 constraints.
969 * i386.h (CPP_CPU_DEFAULT): Renamed to CPP_CPU_DEFAULT_SPEC.
970 Add missing -Dpentium* options.
971 (CPP_CPU_SPEC): Delete redundant definition. Include cpp_cpu_default
972 instead of CPP_CPU_DEFAULT.
973 (EXTRA_SPECS): Add entry for cpp_cpu_default.
975 Sat Apr 18 19:06:59 1998 David Edelsohn <edelsohn@mhpcc.edu>
977 * rs6000.md (floatsidf2_loadaddr): rs6000_fpmem_offset will be
978 negative in a stackless frame.
979 * rs6000.c (rs6000_stack_info): Don't include fixed-size link area
980 in stackless frame size. Support 64-bit stackless frame size.
981 Combine fpmem offset calculations and don't add total_size to
982 offset if not pushing a stack frame.
984 Sat Apr 18 15:41:16 1998 Jim Wilson <wilson@cygnus.com>
986 * regmove.c (fixup_match_1): In three places, in flag_exceptions
987 check, change p to q.
989 Sat Apr 18 15:30:49 1998 Jim Wilson <wilson@cygnus.com>
991 * gcc.c (lang_specific_driver): Add new parm type to prototype.
992 (added_libraries): New file scope static variable.
993 (process_command): Initialize added_libraries. Pass it to
994 lang_specific_driver.
995 (main): Use added_libraries in check for no input files.
997 Sat Apr 18 01:23:11 1998 John Carr <jfc@mit.edu>
999 * sparc.c, sparc.h, sparc.md, sol2.h: Many changes related to V9
1000 code generation. Use 64 bit instructions in 32 bit mode when
1001 possible. Use V9 return instruction. UltraSPARC optimizations.
1003 * sparc.h: Change gen_rtx (CODE to gen_rtx_CODE (.
1005 Fri Apr 17 22:38:17 1998 Jeffrey A Law (law@cygnus.com)
1007 * global.c (global_alloc): Don't pass HARD_CONST (0) to find_reg,
1008 just pass zero. That will work regardless of the size of HARD_REG_SET.
1010 * libgcc2.c (__floatdisf): Fix a couple typos.
1012 Fri Apr 17 17:28:26 1998 Jim Wilson <wilson@cygnus.com>
1014 * Makefile.in (mostlyclean): Delete *.mach and *.bp files.
1016 Fri Apr 17 16:35:35 1998 Greg McGary <gkm@gnu.org>
1018 * emit-rtl.c (gen_highpart): initialize `word' properly for pseudo.
1020 Fri Apr 17 14:30:37 1998 John Carr <jfc@mit.edu>
1022 * emit-rtl.c (operand_subword_force): If a register can not be
1023 accessed by words, copy it to a pseudo register.
1025 Fri Apr 17 14:30:37 1998 Jim Wilson <wilson@cygnus.com>
1027 * rs6000/vxppc.h (CPP_SPEC): Add support for mrelocatable*.
1029 Fri Apr 17 17:01:25 1998 Michael Meissner <meissner@cygnus.com>
1031 * tree.h (mark_seen_cases): Delete declaration.
1033 Fri Apr 17 13:32:20 1998 Jeffrey A Law (law@cygnus.com)
1035 * stmt.c (mark_seen_cases): Make static and add prototype.
1037 Fri Apr 17 11:21:43 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1039 * frame.c: Include stdlib.h and unistd.h to possibly get various
1040 function prototypes. The fixproto script guarantees these header
1041 files exist on the target system.
1042 * libgcc2.c: Likewise.
1044 * gthr-single.h (__gthread_mutex_lock, __gthread_mutex_trylock,
1045 __gthread_mutex_unlock): Add __attribute__ ((__unused__)) to the
1046 function parameters.
1047 * libgcc2.c (__udiv_w_sdiv): Likewise.
1049 Thu Apr 16 22:41:02 1998 Jeffrey A Law (law@cygnus.com)
1051 * varasm.c (asm_output_bss): Add prototype.
1052 (asm_output_aligned_bss): Likewise.
1054 * unroll.c (verify_addresses): Add prototype.
1056 * toplev.c: Add many prototypes. Too many to mention here.
1058 * stmt.c (check_seenlabel): Add prototype.
1060 * rtlanal.c (reg_set_p_1): Add prototype.
1061 (reg_set_last_1): Likewise.
1063 * reorg.c (find_dead_or_set_registers): Add prototype.
1065 * regmove (try_auto_increment): Add prototype.
1067 * reg-stack.c (pop_stack): Add prototype.
1069 * recog.c (validate_replace_rtx_1): Add prototype.
1070 (find_cosntant_term_loc): Likewise.
1072 * loop.c (regs_patch_p): Add prototype.
1073 (add_label_notes, count_nonfixed_reads): Likewise.
1074 (find_single_use_in_loop): Likewise.
1075 (express_from): Surround prototype with #ifdef.
1076 (giv_sort): Similarly.
1078 * jump.c (mark_modified_reg): Add prototype.
1080 * haifa-sched.c (is_prisky): Add prototype.
1081 (queue_to_ready): Likewise.
1083 * genextract.c (gen_insn): Add prototype.
1085 * genemit.c (max_operand_1): Add prototype.
1086 (max_operand_vec, print_code, gen_exp, gen_insn): Likewise.
1087 (gen_expand, gen_explit, output_add_clobbers): Likewise.
1088 (output_init_mov_optab): Likewise.
1090 * genattrtab.c (attr_hash_add_rtx): Add prototype.
1091 (attr_hash_add_string, write_length_unit_log): Likewise.
1093 * genattr.c (init_range): Add prototype.
1095 * combine.c (sets_function_arg_p): Add prototype.
1097 * expr.c (store_constructor_field): Add prototype.
1098 (get_memory_usage_from_modifier): Likewise
1100 * expmed.c (synth_mult): Add prototype.
1101 (choose_multiplier, invert_mod2n): Likewise.
1103 * except.c (push_eh_entry): Add prototype.
1104 (pop_eh_entry, enqueue_eh_entry, dequeu_eh_entry): Likewise.
1105 (call_get_eh_context, start_dynamic_cleanup): Likewise.
1106 (start_dynamic_handler, can_throw): Likewise.
1107 (output_exception_table_entry, scan_region): Likewise.
1108 (eh_regs, set_insn_eh_region): Likewise.
1110 * dwarfout.c (decl_class_context): Add prototype.
1111 (output_inheritance_die, type_ok_for_scope): Likewise.
1113 * c-lex.c (skip_white_space_on_line): Add prototype.
1115 * alias.c (record_set): Add prototype.
1116 (find_base_term, base_alias_check): Likewise.
1118 * function.c (assign_outer_stack_local): Make static and add prototype.
1120 * haifa-sched.c (build_control_flow): Accept raw data as inputs
1121 instead of computing it locally. Callers changed.
1122 (find_rgns): Several new arguments. Callers changed.
1123 Generally clean up and comment better. Use dominators to
1124 identify reducible loops. Convert some flag arrays to bitmaps.
1125 Convert most of the code to work on pred/succ lists instead of
1126 an edge table. Add comments for future improvements.
1127 (schedule_insns): Allocate temporary tables for flow data, call
1128 routines to compute flow data and pass it along to children as
1130 (debug_control_flow): Delete. Use dump_bb_data instead.
1132 * basic-block.h (compute_dominators): Declare.
1134 * flow.c (dump_sbitmap, dump_sbitmap_vector): New debugging
1136 * basic-block.h: Declare them.
1138 Thu Apr 16 13:45:51 1998 Jim Wilson <wilson@cygnus.com>
1140 * reg-stack.c (constrain_asm_operands): Set n_alternatives to zero if
1143 Wed Apr 15 11:33:09 1998 Alexandre Petit-Bianco <apbianco@sendai.cygnus.com>
1145 * tree.c (build_expr_wfl): Use NULL_TREE if the file name is NULL.
1146 Propagate TREE_SIDE_EFFECTS and TREE_TYPE iff the encapsulated
1147 node is non NULL. Cache last file name and file name identifier node.
1149 1998-04-15 Mark Mitchell <mmitchell@usa.net>
1151 * c-common.c (declare_hidden_char_array): Use TYPE_DOMAIN to get
1152 the length of an array, not TREE_TYPE.
1154 Wed Apr 15 15:31:34 1998 Jeffrey A Law (law@cygnus.com)
1156 * flow.c (sbitmap_union_of_successors): New function.
1157 * basic-block.h (sbitmap_union_of_successors): Declare it.
1159 Wed Apr 15 12:38:03 1998 Jim Wilson <wilson@cygnus.com>
1161 * configure.in (gnu_ld): Rename to gnu_ld_flag before main loop.
1162 Set gnu_ld to gnu_ld_flag inside main loop.
1165 Wed Apr 15 14:50:05 1998 Dave Brolley <brolley@cygnus.com>
1167 * toplev.c (compile_file): Call init_parse using new interface.
1168 (init_lex): Remove declaration.
1170 * c-lex.c (init_parse): Now returns char* containing filename.
1172 Wed Apr 15 12:37:10 1998 Jeffrey A Law (law@cygnus.com)
1174 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing if not optimizing.
1176 Wed Apr 15 12:10:18 1998 Michael Meissner <meissner@cygnus.com>
1178 * Makefile.in (gen{config,flags,codes,emit}): Link in host print-rtl.o.
1179 (gen{extract,peep,opinit,output}): Ditto.
1181 * gen{attr,codes,config,emit,output}.c (insn_attr_name): Provide a
1182 global definition so print-rtl.o can be linked in.
1183 * gen{peep,recog}.c (insn_attr_name): Ditto.
1185 Tue Apr 14 07:30:57 1998 K. Richard Pixley <rich@kyoto.noir.com>
1187 * fixincludes: discard empty C++ comments, as found in sys/time.h
1190 Wed Apr 15 10:47:21 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1192 * config/m68k/m68k.md (adddi3, subdi3): Optimize for constant
1195 Wed Apr 15 01:21:21 1998 Jeffrey A Law (law@cygnus.com)
1197 * emit-rtl.c (operand_subword): Rework slightly to avoid
1198 bogus warning from previous change.
1200 Tue Apr 14 23:39:13 1998 Richard Henderson <rth@cygnus.com>
1202 * alpha.md: Revert Oct 27 change, as it is superceeded by Kenner's
1203 Nov 8 find_replacement change. Move decls of get_unaligned_address
1204 * alpha.h: ... here.
1206 Tue Apr 14 22:00:39 1998 John Carr <jfc@mit.edu>
1208 * function.c (assign_parms): Initialize unsignedp before passing
1209 its pointer to promote_mode.
1211 * genattrtab.c (check_attr_test): Handle MATCH_INSN like MATCH_OPERAND.
1212 (write_test_expr): Allow MATCH_INSN.
1214 Tue Apr 14 21:57:57 1998 Paul Eggert <eggert@twinsun.com>
1216 * install.texi: Update section on warnings that can be safely ignored.
1218 Tue Apr 14 14:55:16 1998 Jim Wilson <wilson@cygnus.com>
1220 * mips.md (reload_outdi): Change the scratch mode from DImode to
1221 TImode. New variable scratch, used instead of operand[2] in template.
1222 Add code for MIPS16 HILO_REGNUM case where output reg is not M16_REG_P.
1224 Tue Apr 14 16:19:03 1998 Michael Meissner <meissner@cygnus.com>
1226 * expr.c (MOVE_RATIO): Set to 3 if optimizing for space.
1228 Tue Apr 14 11:31:28 1998 Krister Walfridsson <cato@df.lth.se>
1230 * i386/bsd386.h (ASM_OUTPUT_ALIGN): Redefine.
1232 Tue Apr 14 09:02:32 1998 Jeffrey A Law (law@cygnus.com)
1234 * svr4.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
1235 (ASM_FINISH_DECLARE_OBJECT): Likewise.
1237 * Idea and part of the patch from HJ.
1238 * Makefile.in: auto-host.h renamed from auto-config.h. All references
1240 (distclean): Remove auto-build.h too.
1241 * configure.in: Rename host autoconf generated file to auto-host.h.
1242 If host != build, then run autoconf to generate auto-build.h for
1243 the build machine and include it in build_xm_files.
1244 Check for wait.h and sys/wait.h.
1246 * combine.c (simplify_rtx, case TRUNCATE): Respect value of
1247 TRULY_NOOP_TRUNCATION.
1249 Mon Apr 13 11:31:49 1998 Jason Merrill <jason@yorick.cygnus.com>
1251 * tree.h (BINFO_OFFSET_ZEROP): Use integer_zerop.
1253 Sun Apr 12 20:55:32 1998 Catherine Moore <clm@cygnus.com>
1255 * invoke.texi (ld options) Include memset requirements
1256 for options -nodstdlib and -nodefaultlibs.
1258 1998-04-12 Paul Eggert <eggert@twinsun.com>
1260 This change is from an idea suggested by Arthur David Olson.
1262 * c-common.c (decl_attributes, record_function_format,
1263 check_format_info, init_function_format_info):
1264 Add support for strftime format checking.
1265 (enum format_type): New type.
1266 (record_function_format): Now static, and takes value of type
1267 enum format_type instead of int.
1268 (time_char_table): New constant.
1269 (struct function_format_info): format_type member renamed from is_scan.
1270 (check_format_info): Use `warning' rather than sprintf followed by
1271 `warning', to avoid mishandling `%' in warnings.
1272 Change `pedwarn' to `warning', since these warnings do not necessarily
1273 mean the program does not conform to the C Standard, as the code
1274 need not be executed.
1276 * c-tree.h (record_function_format): Remove decl; no longer extern.
1278 * extend.texi: Add documentation for strftime format checking.
1280 Sun Apr 12 20:23:03 1998 Jeffrey A Law (law@cygnus.com)
1282 * mips/ecoffl.h: Do not include mips.h.
1283 * mips/elf.h: Likewise.
1285 * configure.in (mips-*-ecoff): Do not mention mips/mips.h in tm_files.
1286 * mips/ecoff.h: Include "mips/mips.h".
1288 Sat Apr 11 22:42:54 PDT 1998 Jeff Law (law@cygnus.com)
1290 * version.c: Bump for snapshot.
1292 Sat Apr 11 01:24:28 1998 Jeffrey A Law (law@cygnus.com)
1294 * cse.c (count_reg_usage): Correctly handle REG_NONNEG notes.
1295 (delete_trivially_dead_insns): Renamed from delete_dead_from_cse.
1296 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns instead of delete_dead_from_cse. Also call delete_trivially_dead_insns
1297 between loop optimization passes.
1298 * rtl.h: Updated appropriately.
1300 Fri Apr 10 22:28:32 1998 Jeffrey A Law (law@cygnus.com)
1302 Reinstall this patch from Jason.
1303 * function.c (push_function_context_to): Don't call init_emit.
1305 Fri Apr 10 13:40:20 1998 Nick Clifton <nickc@cygnus.com>
1307 * rtl.c (read_skip_spaces): Prevent infinite loops upon
1308 encountering unterminated comments.
1310 Fri Apr 10 10:43:41 1998 Jeffrey A Law (law@cygnus.com)
1312 * emit-rtl.c (operand_subword): Properly handle CONST_INTs for
1315 * configure.in: Handle --with-fast-fixincludes.
1316 (fixincludes): If --with-fast-fixincludes, then use a different
1317 fixincludes program by default.
1318 * Makefile.in (fixinc.sh): New rule.
1320 Fri Apr 10 00:36:31 1998 H.J. Lu (hjl@gnu.org)
1322 * i386.md (movqi+1): Handle invalid QI register.
1323 (movsf_push-1): Likewise.
1325 Thu Apr 9 16:53:59 1998 Nick Clifton <nickc@cygnus.com>
1327 * config/m32r/m32r.c: call_address_operand(): Only accept symbolic
1329 symbolic_memort_operand(), call32_operand(), int8_operand(),
1330 int16_operand(), uint24_operand(), reg_or_int8_operand(): Removed.
1332 uint16_operand(): Made static.
1334 Thu Apr 9 01:43:04 1998 Jeffrey A Law (law@cygnus.com)
1336 * calls.c (expand_call): Fix typo.
1338 Thu Apr 9 00:18:44 1998 Dave Brolley (brolley@cygnus.com)
1340 * c-lex.c (finput): New global.
1341 (init_parse): Always included. Handle !USE_CPPLIB using
1342 code originally in compile_file.
1343 (finish_parse): Update for CPPLIB.
1344 * toplev.c (init_parse, finish_parse): Declare.
1345 (finput): Delete variable. Now in front-ends.
1346 (compile_file): Remove code which is now handled by init_parse
1347 which is unconditionally called. Similarly for finish_parse.
1349 Wed Apr 8 23:13:50 1998 Gavin Koch <gavin@cygnus.com>
1351 * config/mips/r3900.h (ASM_OUTPUT_DEF,SUPPORTS_WEAK,
1352 ASM_WEAKEN_LABEL): Add.
1354 Wed Apr 8 18:21:30 1998 Richard Henderson <rth@cygnus.com>
1356 * alpha/crtbegin.asm, alpha/crtend.asm, alpha/t-crtb: New files.
1357 * configure.in (alpha-*-linux*): Use them.
1359 Fri Apr 3 17:02:13 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
1361 * tree.def (EXPR_WITH_FILE_LOCATION): New tree node definition.
1362 * tree.h (EXPR_WFL_{NODE,FILENAME,FILENAME_NODE,LINENO,
1363 COLNO,LINECOL,SET_LINECOL,EMIT_LINE_NOTE}): New macros.
1364 (build_expr_wfl): New prototype declaration.
1365 * tree.c (build_expr_wfl): New function, to build
1366 EXPR_WITH_FILE_LOCATION nodes.
1367 (copy_node): Don't zero TREE_CHAIN if copying a
1368 EXPR_WITH_FILE_LOCATION node.
1369 * print-tree.c (print_node): Handle EXPR_WITH_FILE_LOCATION.
1370 * expr.c (expand_expr): Handle EXPR_WITH_FILE_LOCATION.
1372 Wed Apr 8 12:51:19 1998 Jeffrey A Law (law@cygnus.com)
1374 * configure.in (v850): Use t-v850.
1375 (ix86-wrs-vxworks): Recognize 786 just like other x86 configurations.
1377 * protoize.c (creat, read, write): Do not declare.
1379 * jump.c (mark_jump_label): Record REG_LABEL notes for insns which
1380 refer to the CODE_LABEL before a dispatch table.
1382 * invoke.texi: Add ARC options.
1384 * gcc.c (proces_command): Improve error message for -o with
1387 * i386/x-cygwin32 (CLIB): Link in advapi32.
1389 * alpha.h (ASM_IDENTIFY_GCC): Define to nothing.
1390 (ASM_IDENTIFY_LANGUAGE): Likewise.
1392 * i386.md (movqi recognizer): Don't perfom byte increment into
1395 * configure.in (x86-dg-dgux): Run fixinc.dgux.
1397 * i370.h: Fix typo in GEN_INT changes.
1399 * bitmap.c (bitmap_element_allocate): Use "void" for arglist instead
1400 of an empty arglist in prototype.
1402 * Makefile.in: Remove bytecode crud that crept back in after the
1405 1998-04-08 Brendan Kehoe <brendan@cygnus.com>
1407 * c-lex.h (is_class_name): Fix arg type to be tree, not void.
1408 (make_pointer_declarator, reinit_parse_for_function): Fix typo.
1410 Wed Apr 8 06:16:45 1998 Richard Earnshaw (rearnsha@arm.com)
1412 * arm.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1414 Wed Apr 8 00:44:18 1998 Bernd Schmidt (crux@pool.informatik.rwth-aachen.de>
1416 * c-lex.c (is_class_name): Delete declaration.
1417 (whitespace_cr): Make static and add prototype.
1418 * c-lex.h (make_pointer_declarator, reinit_parse_for_function,
1419 yylex, get_directive_line): Turn declarations into prototypes.
1420 (position_after_whitespace, check_newline, yyerror,, is_class_name,
1421 forget_protocol_qualifiers, remember_protocol_qualifiers): Add
1423 * genattr.c (extend_range, write_upcase, gen_attr, write_units): Add
1425 * gencodes.c (gen_insn): Add prototype.
1426 * genconfig.c (walk_insn, gen_insn, gen_expand, gen_split,
1427 gen_peephole): Add prototypes.
1428 * genflags.c (num_operands, gen_proto, gen_nonproto, gen_insn): Add
1430 * gengenrtl.c (type_from_format, accessor_from_format, special_rtx,
1431 special_format, find_formats, gendecl, genmacro, gendef, genlegend,
1432 genheader, gencode): Add prototypes.
1433 * genopinit.c (gen_insn): Add prototype.
1434 * genoutput.c (output_prologue, output_epilogue, scan_operands,
1435 process_template, validate_insn_alternatives, gen_insn, gen_peephole,
1436 gen_expand, gen_split, n_occurrences): Add prototypes.
1437 * genpeep.c (gen_peephole): Add prototype.
1438 * loop.c (find_and_verify_loops, mark_loop_jump, prescan_loop,
1439 reg_in_basic_block_p, consec_sets_invariant_p, libcall_other_reg,
1440 labels_in_range_p, count_loop_regs_set, note_addr_stored,
1441 loop_reg_used_before_p, scan_loop, replace_call_address,
1442 skip_consec_insns, libcall_benefit, ignore_some_movables,
1443 force_movables, combine_movables, rtx_equal_for_loop_p, move_movables,
1444 strength_reduce, valid_initial_value_p, find_mem_givs, record_biv,
1445 check_final_value, record_giv, update_giv_derive, basic_induction_var,
1446 simplify_giv_expr, general_induction_var, consec_sets_giv,
1447 check_dbra_loop, express_from, combine_givs_p, combine_givs,
1448 product_cheap_p, maybe_eliminate_biv, maybe_eliminate_biv_1,
1449 last_use_this_basic_block, record_initial, update_reg_last_use,
1450 iteration_info, analyze_loop_iterations, insert_bct,
1451 instrument_loop_bct, indirect_jump_in_function_p): Turn declarations
1454 Tue Apr 7 21:48:52 1998 Jeffrey A Law (law@cygnus.com)
1456 * pa.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
1458 1998-04-07 Ken Raeburn <raeburn@cygnus.com>
1460 * config/mips/mips.c (siginfo): Deleted.
1461 (override_options): Don't install SIGINFO signal handler.
1463 Tue Apr 7 11:58:04 1998 Jim Wilson <wilson@cygnus.com>
1465 * loop.c (check_dbra_loop): When normalize comparison_val, add check
1466 to verify it is non-negative.
1468 Tue Apr 7 02:01:47 1998 Richard Henderson <rth@cygnus.com>
1470 * alpha.c (alpha_expand_block_move): Correctly collect block offsets.
1471 (alpha_expand_block_clear): Likewise.
1473 Mon Apr 6 23:36:01 1998 Richard Henderson <rth@cygnus.com>
1475 * tree.h (sizetype_tab): Fix previous change for K&R.
1477 Mon Apr 6 22:23:29 PDT 1998 Jeff Law (law@cygnus.com)
1479 * version.c: Bump for snapshot.
1481 Mon Apr 6 23:16:10 1998 Richard Earnshaw (rearnsha@arm.com)
1483 * configure.in (sparc-*-solaris2*): Add xm-siglist.h to xm_file.
1484 Add USG and POSIX to xm_defines.
1486 Mon Apr 6 21:49:57 1998 Bob Manson <manson@charmed.cygnus.com>
1488 * gcc.c: Add linker spec.
1489 (link_command_spec): Use %(linker) instead of ld.
1490 (main): If collect2 is requested as the linker, see if it exists;
1491 if not, use ld instead.
1493 * Makefile.in (USE_COLLECT2): It's named collect2 now, not ld.
1495 (install-collect2): Install as collect2, not ld.
1497 * configure.in(will_use_collect2): It's named collect2 now.
1499 * collect2: Remove checks to see if we were invoked recursively.
1500 (collect_execute): Use _spawnvp under cygwin32.
1502 Mon Apr 6 17:23:41 1998 Jim Wilson <wilson@cygnus.com>
1504 * haifa-sched.c (build_control_flow): Set unreachable for block whose
1505 only predecessor is itself.
1507 Mon Apr 6 16:08:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1509 * c-parse.in: Include system.h, and remove stuff now made redundant.
1512 * protoize.c: Likewise. Properly check for cpp stringification.
1514 * Makefile.in (c-parse.o, cccp.o, cexp.o, protoize.o, unprotoize.o):
1517 * objc/Make-lang.in (objc-parse.o): Likewise.
1519 Mon Apr 6 14:59:58 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1521 * gansidecl.h: Check if compiler supports __attribute__. Provide
1522 definitions for ATTRIBUTE_UNUSED and ATTRIBUTE_PRINTF using
1523 __attribute__ when its available. Also provide definitions for
1524 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2 and ATTRIBUTE_PRINTF_3 in
1525 terms of ATTRIBUTE_PRINTF.
1527 * genoutput.c (process_template): Use ATTRIBUTE_UNUSED in place
1530 Mon Apr 6 07:17:52 1998 Catherine Moore <clm@cygnus.com>
1532 * combine.c (can_combine_p): Include successor in volatile test.
1534 Mon Apr 6 14:16:33 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1536 * sh.h (CASE_VECTOR_SHORTEN_MODE): Fix logic when to set
1539 Mon Apr 6 02:03:29 1998 Jeffrey A Law (law@cygnus.com)
1541 * objc/objc-act.c (encode_aggregate_within): Avoid GNU extensions
1542 in prototype and definition.
1544 Mon Apr 6 00:48:56 PDT 1998 Jeff Law (law@cygnus.com)
1546 * version.c: Bump for snapshot.
1548 Mon Apr 6 00:08:50 1998 Richard Henderson <rth@cygnus.com>
1550 * alpha.c (alpha_expand_block_clear): Add missing offset arg to
1551 alpha_expand_unaligned_store_words.
1553 Sun Apr 5 21:31:24 1998 John Wehle (john@feith.com)
1555 * i386.md (movsf_push, movsf_mem): Remove.
1556 (movsf_push): Rename from movsf_push_nomove and move in front of
1557 movsf. Use nonmemory_operand predicate and don't bother checking
1559 (movsf_push_memory): New pattern.
1560 (movsf): Don't bother checking for push_operand. If TARGET_MOVE and
1561 both operands refer to memory then force operand[1] into a register.
1562 (movsf_normal): Change to unnamed pattern.
1563 Likewise for movdf, movxf, and friends.
1565 Sun Apr 5 18:45:51 PDT 1998 Jeff Law (law@cygnus.com)
1567 * version.c: Bump for snapshot.
1569 Sun Apr 5 16:31:10 1998 Richard Henderson <rth@cygnus.com>
1571 * configure.in (alpha-dec-osf*): Match osf1.3 correctly.
1573 Sun Apr 5 16:53:37 1998 Don Bowman <don@pixsci.com>
1575 * configure.in (mips-wrs-vxworks): New target.
1577 Sat Apr 4 23:34:32 PST 1998 Jeff Law (law@cygnus.com)
1579 * expmed.c (synth_mult): The value -1, has no zeros, so it can
1580 never have the form ...011.
1582 * version.c: Bump for snapshot.
1584 Sat Apr 4 20:16:46 1998 Richard Henderson <rth@cygnus.com>
1586 * i386.c (asm_output_function_prefix, load_pic_register):
1587 Use ASM_GENERATE_INTERNAL_LABEL properly.
1588 (output_pic_addr_const): Recognize %X to supress any PIC sym suffix.
1589 (print_operand): Ignore it.
1590 (load_pic_register): Use it for the got load call.
1591 * i386.md (prologue_set_got, prologue_get_pc): Likewise.
1592 (prologue_get_pc_and_set_got): Likewise.
1593 * i386.h: Update print_operand docs.
1595 Sat Apr 4 19:08:37 1998 Richard Henderson <rth@cygnus.com>
1597 * i386.md (ffssi, ffshi): Rewrite as define_expands.
1598 (ffssi_1, ffshi_1): New (unspec [] 5) support patterns.
1599 * i386.c (notice_update_cc): Recognize unspec 5.
1601 Sat Apr 4 18:07:16 1998 David Mosberger-Tang (davidm@mostang.com)
1603 * alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Accept '(' for s/sv/svi.
1604 * alpha.c (print_operand): Handle it.
1605 * alpha.md (fix_truncsfdi2): Use it. Add earlyclobber pattern
1607 (fix_truncdfdi2): Likewise.
1609 Sat Apr 4 17:42:05 1998 Richard Henderson <rth@cygnus.com>
1611 * tree.h (sizetype_tab[2], sbitsizetype, ubitsizetype): Merge all
1612 of these into a single struct, with additional [us]sizetype entries.
1613 * stor-layout.c (set_sizetype): Initialize [us]sizetype.
1614 * fold-const.c (size_int_wide): Don't rely on sizetype_tab being
1617 Sat Apr 4 17:04:41 1998 Richard Henderson <rth@cygnus.com>
1619 * configure.in (alpha-*-linux-*): Undo tm_file changes from gcc2 merge.
1621 Sat Apr 4 13:50:01 1998 Richard Henderson <rth@cygnus.com>
1623 * haifa-sched.c (split_block_insns): Don't supress insn splitting
1624 on subsequent passes.
1626 * alpha.c (hard_fp_register_operand): New function.
1627 * alpha.h (PREDICATE_CODES): Add it.
1628 * alpha.md (extendsidi2): Kill bogus f<-f cvtql+cvtlq case. Add an
1629 f<-m case and accompanying define_split.
1630 (trapb): Use a unique unspec_volatile number.
1632 Sat Apr 4 13:32:08 1998 Richard Henderson <rth@cygnus.com>
1634 * configure.in (alpha-*-linux-gnu*): Undo Feb 3 change brought in
1637 Sat Apr 4 10:23:41 1998 Jeffrey A Law (law@cygnus.com)
1639 * Check in merge from gcc2. See ChangeLog.11 and ChangeLog.12
1642 * haifa-sched.c: Mirror recent changes from gcc2.
1644 Fri Apr 3 00:17:01 1998 Jeffrey A Law (law@cygnus.com)
1646 * Makefile.in (insn*.o): Depend on system.h.
1648 * pa.c (output_global_address): Initialize base.
1649 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Initialize index.
1651 1998-04-03 Mike Stump <mrs@wrs.com>
1653 * gthr.h: Support systems that don't have weak, but have threads.
1654 * configure.in (*wrs-vxworks*): Use VxWorks threads by default.
1655 * gthr-vxworks.h: New file.
1656 * objc/thr-vxworks.h: Dummy file from thr-single.c for now.
1658 Thu Apr 2 18:00:52 1998 Jim Wilson <wilson@cygnus.com>
1660 * i386.md (movqi+1): Change alternative 1 from *r/r to *r/*rn.
1662 1998-04-02 Vladimir N. Makarov <vmakarov@cygnus.com>
1664 * ginclude/va-i960.h (va_end): Change void * to void.
1666 Thu Apr 2 13:51:10 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1668 * Makefile.in (choose-temp.o): Depend on system.h.
1670 * choose-temp.c: Include system.h when IN_GCC.
1672 Thu Apr 2 02:37:07 1998 Joern Rennecke (amylaar@cygnus.co.uk)
1673 Richard Henderson <rth@cygnus.com>
1675 * reload.c (find_reloads_address): Try LEGITIMIZE_RELOAD_ADDRESS.
1676 (move_replacements): New function.
1677 * reload.h: Prototype it.
1679 * alpha.h (LEGITIMIZE_RELOAD_ADDRESS): New definition.
1681 Thu Apr 2 01:01:34 1998 Richard Henderson <rth@cygnus.com>
1683 * configure (alpha-*-linuxecoff, alpha-*-linux-gnulibc1):
1686 * emit-rtl.c (gen_lowpart_common): Skip count by HARD_REGNO_NREGS.
1687 (gen_highpart): Likewise.
1688 * final.c (alter_subreg): Allow the target to hook by-mode subreg
1689 hard register number changes.
1691 Wed Apr 1 22:26:22 1998 Jeffrey A Law (law@cygnus.com)
1693 * fold-const.c optimze_bit_field_compare): Initialize rnbitpos,
1694 rnbitsize, rnmode and rinner.
1695 (make_range): Initialize type.
1696 (fold): Initialize arg0, arg1 and varop.
1698 * function.c (instantiate_virtual_regs_1): Initialize offset, regnoi
1700 (expand_function_start): Initialize last_ptr.
1702 * stor-layout.c (layout_record): Initialize desired_align.
1703 (get_best_mode): Initialize unit.
1705 * tree.c (copy_node): Initialize length.
1707 * c-lex.c (yylex): Initialize traditional_type, ansi_type and type.
1709 * caller-save.c (insert_save_restore): Initialize pat, code and
1712 * emit-rtl.c (push_to_sequence): Initialize top.
1713 (push_topmost_sequence): Likewise.
1715 * genattrtab.c (simplify_by_exploding): Initialize defval.
1717 * profile.c (branch_prob): Initialize dest.
1719 * rtl.h (note_stores): Remove duplicate prototype.
1720 (GEN_INT): Re-instate cast of second arg to HOST_WIDE_INT.
1722 * cplus-dem.c (gnu_special): Don't get confused by .<digits>
1723 strings that are not actually lengths.
1725 * genattrtab.c: Make generated file use system.h, instead of
1726 including stdio.h, etc directly.
1727 * genextract.c, genopinit.c, genoutput.c: Likewise.
1728 * genpeep.c, genrecog.c: Likewise
1730 * genoutput.c (process_template): Mark operands in the generated
1731 function as potentially unused if compiling with GNU CC.
1733 * i386/freebsd-elf.h (CPP_PREDEFINES): Update from FreeBSD folks.
1735 * pa.md (reload peepholes): Remove unused variable "mode".
1737 Wed Apr 1 17:06:19 1998 Nick Clifton <nickc@cygnus.com>
1739 * config/arm/thumb.h: Add super interworking support.
1740 * config/arm/thumb.c: Add super interworking support.
1741 * config/arm/thumb.md: Add super interworking support.
1742 * config/arm/lib1funcs.asm: Add interworking support.
1743 * config/arm/lib1thumb.asm: Add super interworking support.
1744 * config/arm/t-semi: Add interworking support.
1745 * config/arm/t-thumb: Add interworking support.
1746 * config/arm/README-interworking: New file.
1748 Wed Apr 1 14:38:10 1998 Jim Wilson <wilson@cygnus.com>
1750 * config/mips/iris6.h (MD_EXEC_PREFIX): Set to /usr/bin/.
1751 (MD_STARTFILE_PREFIX): Unset.
1753 1998-04-01 Mark Mitchell <mmitchell@usa.net>
1755 * varasm.c (make_decl_rtl): Update the DECL_ASSEMBLER_NAME for a
1756 entity in a local scope.
1758 * fold-const.c (fold): Call truthvalue_conversion for values which
1759 are folded to boolean type.
1761 Wed Apr 1 06:09:53 1998 Jeffrey A Law (law@cygnus.com)
1763 * 1750a.md, arm.c, clipper.c, clipper.md: Use GEN_INT consistently.
1764 * convex.h, dsp16xx.c, fx80.md, gmicro.c, gmicro.md: Likewise.
1765 * i370.h, i370.md, i860.c, i860.h, i860.md, i960.c: Likewise.
1766 * i960.h, i960.md, m32r.md, m68k.md, m68kv4.h, m88k.c: Likewise.
1767 * m88k.md, ns32k.c, ns32k.md, pdp11.c, pdp11.h, pdp11.md: Likewise.
1768 * pyr.c, pyr.h, pyr.md, romp.c, romp.h, romp.md: Likewise.
1769 * rs6000.md, sparc.c, sparc.h, sparc.md, spur.c, spur.md: Likewise.
1770 * tahoe.md, vax.h, vax.md, we32k.c, we32k.h, we32k.md: Likewise.
1771 * md.texi: Likewise.
1773 Wed Apr 1 08:33:44 1998 Manfred Hollstein <manfred@s-direktnet.de>
1775 * fixincludes (limits.h): Fix nested comments in Motorola's
1776 limits.h and sys/limits.h.
1778 Tue Mar 31 16:57:33 1998 Jim Wilson <wilson@cygnus.com>
1780 * alpha.c (alpha_expand_unaligned_load): Use tgt instead of addr
1781 as dest of expand_binop call.
1783 * alpha.md (extzv): Correct check for valid operand[2] values.
1785 * profile.c (branch_prob): Add code to recognize HPPA tablejump entry
1788 * toplev.c (rest_of__compilation): Call init_recog_no_volatile at end.
1790 Mon Mar 30 13:11:05 1998 Stan Cox <scox@cygnus.com>
1792 * libgcc2.c: (__main, __do_global_dtors, __do_global_ctors):
1793 For __CYGWIN32__ use the versions in winsup/dcrt0.cc.
1795 * gcc.c, cccp.c, cpplib.c, collect2.c (GET_ENVIRONMENT): Added.
1796 cygwin32 can override this to allow both unix and win32 style PATHs.
1798 * i386/xm-cygwin32.h (GET_ENVIRONMENT): Defined to allow win32
1799 style environment paths.
1801 Mon Mar 30 14:43:20 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1803 * Makefile.in (cppalloc.o, cpperror.o, cppexp.o, cpphash.o,
1804 cpplib.o, cppmain.o, fix-header.o, gcov.o, gen-protos.o,
1805 gengenrtl.o, halfpic.o, hash.o, scan-decls.o, scan.o): Depend on
1808 * cpphash.c: Include config.h.
1809 * cppalloc.c: Include system.h. Add parameters to various
1810 function prototypes.
1811 * cpperror.c: Likewise.
1812 * cppexp.c: Likewise.
1813 * cpphash.c: Likewise.
1814 * cpplib.c: Likewise.
1815 * cppmain.c: Likewise.
1816 * fix-header.c: Likewise.
1818 * gen-protos.c: Likewise.
1819 * gengenrtl.c: Likewise.
1820 * halfpic.c: Likewise.
1822 * scan-decls.c: Likewise.
1825 Mon Mar 30 11:06:45 1998 Jim Wilson <wilson@cygnus.com>
1827 * README.gnat: Add lang_print_xnode definition.
1829 Mon Mar 30 11:12:24 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1831 * config/m68k/m68k.c (standard_68881_constant_p): Don't use
1832 fmovecr on the 68060.
1834 Mon Mar 30 00:21:03 1998 Jeffrey A Law (law@cygnus.com)
1836 * genemit.c (DONE): Rework so that it works in the true arm if
1837 an if-else conditional.
1840 Sun Mar 29 12:45:23 1998 Jeffrey A Law (law@cygnus.com)
1842 * rs6000.c: Do not include stdioh or ctype.h anymore.
1844 * Makefile.in (c-typeck.o): Delete on expr.h, insn-codes.h and
1846 (stor-layout.o): Likewise.
1847 * c-typeck.c: Include rtl.h and expr.h.
1848 * stor-layout.c: Likewise.
1850 * cpplib.c (cpp_file_line_for_message): Delete unused parameter.
1851 All callers changed.
1852 (do_sccs): Wrap in an SCCS_DIRECTIVE ifdef.
1853 * fix-header.c (cpp_file_line_for_message): Delete unused paramter.
1854 All callers changed.
1856 * collect2.c (is_in_list): Wrap inside COLLECT_EXPORT_LIST ifdef.
1858 * local-alloc.c (reg_classes_overlap_p): Delete dead function.
1860 * tree.h (lang_print_xnode): Provide prototype.
1862 Sat Mar 28 23:50:44 PST 1998 Jeff Law (law@cygnus.com)
1864 * version.c: Bump for snapshot.
1866 Sun Mar 29 00:42:21 1998 Jeffrey A Law (law@cygnus.com)
1868 * objc/sendmsg.c (__objc_block_forward): Add braces for return
1869 value if INVISIBLE_STRUCT_RETURN.
1871 * pa.c (arith_double_operand): Fix parens.
1873 * haifa-sched.c (print_pattern): Correct arg to sprintf.
1875 * Makefile.in (libgcc1.null): Make return type for __foo void.
1877 Sat Mar 28 14:37:20 1998 Jeffrey A Law (law@cygnus.com)
1879 * pa.h: Add declarations for many functions defined in pa.c.
1881 * genpeep.c (main): Remove unused variable 'i' from the generated
1884 * genemit.c (gen_expand): Do not emit "_done" or "_fail" labels.
1885 (gen_split): Likewise.
1886 (main): Rework generated definitions of DONE and FAIL so that they
1887 no longer use gotos. Avoids warnings about unused labels.
1889 * integrate.c (copy_rtx_and_substitute): Rework to avoid need for
1890 unused "junk" variable.
1892 * genattrtab.c (write_complex_function): Add a default case in
1893 generated switch statement to keep -W -Wall quiet.
1895 Sat Mar 28 10:47:21 1998 Nick Clifton <nickc@cygnus.com>
1897 * invoke.texi: Document more ARM and Thumb command line options.
1899 * config/arm/xm-thumb.h: New file.
1901 Sat Mar 28 01:37:33 1998 Craig Burley <burley@gnu.ai.mit.edu>
1903 * stmt.c (expand_expr_stmt): Must generate code for
1904 statements within an expression (gcc's `({ ... )}')
1905 even if -fsyntax-only.
1907 Sat Mar 28 01:06:12 1998 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
1908 Jeffrey A Law (law@cygnus.com)
1910 * basic-block.h (basic_block_computed_jump_target): Declare.
1911 * flags.h: (current_function_has_computed_jump): Declare.
1912 * flow.c: (basic_block_computed_jump_target): Define.
1913 (flow_analysis): Allocate it. Set current_function_has_computed_jump
1915 (find_basic_blocks): Set current_function_has_computed_jump and
1916 elements of basic_block_computed_jump_target to 1 as appropriate.
1917 * function.c: (current_function_has_computed_jump): Define.
1918 * global.c (global_conflicts): Don't allocate pseudos into stack regs
1919 at the start of a block that is reachable by a computed jump.
1920 * reg-stack.c (stack_reg_life_analysis): If must restart, do so
1922 (subst_stack_regs): Undo change from Sep 4 1997.
1923 (uses_reg_or_mem): Now unused, deleted.
1924 * stupid.c (stupid_life_analysis): Compute
1925 current_function_has_computed_jump.
1926 (stupid_find_reg): Don't allocate stack regs if the function has a
1928 * haifa-sched.c (is_cfg_nonregular): Delete code to determine if
1929 the current function has a computed jump. Use the global value
1932 Sat Mar 28 00:21:37 1998 Jeffrey A Law (law@cygnus.com)
1934 * i386/freebsd.h (CPP_PREDEFINES): Remove __386BSD__.
1935 (DWARF2_UNWIND_INFO): Define to zero.
1937 Fri Mar 27 16:04:49 1998 Michael Meissner <meissner@cygnus.com>
1939 * gcc.c (set_std_prefix): Add declaration.
1940 (process_command): If GCC_EXEC_PREFIX is set, remove /lib/gcc-lib/
1941 suffix, and update the standard prefix prefix.c uses.
1943 * prefix.c (std_prefix): New global to hold default prefix value.
1944 (get_key_value): Change to use std_prefix instead of PREFIX.
1945 (translate_name): Ditto.
1946 (update_path): Ditto.
1947 (get_key_value): Release allocated scratch storage.
1948 (set_std_prefix): New function to reset the standard prefix.
1950 Fri Mar 27 18:08:21 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1952 * sh.c (find_barrier): Fix calculations for alignment increase.
1954 Fri Mar 27 08:56:52 1998 Manfred Hollstein <manfred@s-direktnet.de>
1956 * Makefile.in (stmp-fixinc): If we're actually fixing include
1957 files, copy gcc's assert.h into the fixed include dir.
1958 * fixincludes (assert.h): Avoid any attempts to fix a probably
1959 broken system specific assert.h file.
1960 * fixproto (stdlib.h): Make sure, it'll contain a definition of
1963 Fri Mar 27 00:49:46 1998 Jeffrey A Law (law@cygnus.com)
1965 * regclass.c (reg_scan_mark_refs): Be more selective about
1966 when we mark a register with REGNO_POINTER_FLAG.
1968 Thu Mar 26 23:00:11 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1970 reload inheritance improvement:
1971 * reload1.c (reg_reloaded_contents, reg_reloaded_insn):
1972 Change meaning: index is now hard reg number.
1973 (reg_reloaded_valid, reg_reloaded_dead): New variables.
1974 (reload_spill_index): Content is now a hard reg number.
1975 (reload_as_needed): Change to fit new variable meaning.
1976 (forget_old_reloads_1, allocate_reload_reg): Likewise.
1977 (choose_reload_regs, emit_reload_insns): Likewise.
1979 Thu Mar 26 18:34:13 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1981 * regclass.c (record_reg_classes): '?' increases cost by two.
1983 * reload.c (find_reloads): Double previous costs. Output
1984 reloads cost one unit extra.
1986 * reload1.c (eliminate_regs): Delete LOAD_EXTENDED_OP code that
1987 boiled down to && ! 0.
1989 * reload.c (find_equiv_reg): Also consider a goal offset from the
1990 frame pointer to be constant.
1992 Thu Mar 26 17:34:46 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1994 * sh.h (OPTIMIZATION_OPTIONS): Define.
1996 Thu Mar 26 00:19:47 1998 Richard Henderson <rth@cygnus.com>
1998 * combine.c (make_compound_operation): Simplify (subreg (*_extend) 0).
2000 Wed Mar 25 23:53:11 1998 Jeffrey A Law (law@cygnus.com)
2002 * pa.c (pa_adjust_cost): Avoid redundant calls to get_attr_type.
2004 Wed Mar 25 13:40:48 1998 Jim Wilson <wilson@cygnus.com>
2006 * c-common.c (check_format_info): Initialize type, is_type. New local
2007 integral_format. Don't warn for 'L' when pedantic. Do warn for 'L'
2008 when pedantic if used with integral format specifier.
2010 Wed Mar 25 16:09:01 1998 Michael Meissner <meissner@cygnus.com>
2012 * rs6000.h (FUNCTION_ARG_PADDING): Cast result to be enum
2014 (function_arg_padding): Declare.
2016 * rs6000.c: Include system.h.
2017 (function_arg_padding): Change return type to int, cast enum's to
2020 (From Kaveh R. Ghazi <ghazi@caip.rutgers.edu>)
2021 * collect2.c (scan_prog_file): Add explicit braces to avoid
2024 * dbxout.c (dbxout_type_fields): Add braces around empty body in
2026 (dbxout_type): Likewise.
2028 * rs6000.c (rs6000_override_options): Change type of `i', `j' and
2029 `ptt_size' from int to size_t.
2030 (rs6000_file_start): Likewise for `i'.
2031 (rs6000_replace_regno): Add default case in enumeration switch.
2032 (output_epilog): Remove unused variable `i'.
2033 (rs6000_longcall_ref): Remove unused variables `len', `p', `reg1'
2036 * rs6000.h (ADDITIONAL_REGISTER_NAMES): Add missing braces around
2038 (get_issue_rate, non_logical_cint_operand): Add prototype.
2039 (rs6000_output_load_toc_table): Ditto.
2041 * rs6000.md (udivmodsi4): Add explicit braces to avoid ambiguous
2044 Wed Mar 25 10:05:19 1998 Nick Clifton <nickc@cygnus.com>
2046 * config/arm/thumb.c: New File. Support for ARM's Thumb
2048 * config/arm/thumb.h: New File. Thumb definitions.
2049 * config/arm/thumb.md: New File. Thumb machine description.
2050 * config/arm/tcoff.h: New File. Thumb COFF support.
2051 * config/arm/t-thumb: New File. Thumb makefile fragment.
2052 * config/arm/lib1thumb.asm: New File. Thumb libgcc support functions.
2054 * configure.in: Add Thumb-coff target.
2055 * configure: Add Thumb-coff target.
2056 * config.sub: Add Thumb-coff target.
2058 Wed Mar 25 10:30:32 1998 Jim Wilson <wilson@cygnus.com>
2060 * loop.c (scan_loop): Initialize move_insn_first to zero.
2062 Wed Mar 25 01:06:49 1998 Joel Sherrill (joel@OARcorp.com)
2064 * config/i386/go32-rtems.h: Defined TARGET_MEM_FUNCTIONS.
2065 * config/i386/rtems.h: Likewise.
2066 * config/i960/rtems.h: Likewise.
2067 * config/m68k/rtems.h: Likewise.
2068 * config/mips/rtems64.h: Likewise.
2069 * config/pa/rtems.h: Likewise.
2070 * config/rs6000/rtems.h: Likewise.
2071 * config/sh/rtems.h: Likewise.
2072 * config/sparc/rtems.h: Likewise.
2074 Wed Mar 25 00:57:26 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2076 * pa.c (emit_move_sequence): If in reload, call find_replacement.
2078 Tue Mar 24 10:44:11 1998 Nick Clifton <nickc@cygnus.com>
2080 * Makefile.in (gcov$(exeext)): Support .exe extension to gcov.
2082 * collect2.c (find_a_file): Add debugging.
2083 (find_a_file): Test for win32 style absolute paths if
2084 DIR_SERPARATOR is defined.
2085 (prefix_from_string): Add debugging.
2086 (main): Test for debug command line switch at start of program
2088 (main): Use GET_ENVIRONMENT rather than getenv().
2089 (prefix_from_env): Use GET_ENVIRONMENT.
2091 1998-03-24 Mark Mitchell <mmitchell@usa.net>
2093 * cplus-dem.c (optable): Add sizeof.
2094 (demangle_template_value_parm): New function containing code
2095 previously found in demangle_template.
2096 (demangle_integral_value): New function which handles complicated
2097 integral expressions.
2098 (demangle_template): Use them.
2100 Tue Mar 24 12:13:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * Makefile.in (genconfig.o, genflags.o, gencodes.o, genemit.o,
2103 genopinit.o, genrecog.o, genextract.o, genpeep.o, genattr.o,
2104 genattrtab.o, genoutput.o): Depend on system.h.
2106 * genattr.c: Include system.h. Add arguments to various function
2107 prototypes. Remove redundant prototype of read_rtx().
2108 * genattrtab.c: Likewise.
2109 * gencodes.c: Likewise.
2110 * genconfig.c: Likewise.
2111 * genemit.c: Likewise.
2112 * genextract.c: Likewise.
2113 * genflags.c: Likewise.
2114 * genopinit.c: Likewise.
2115 * genoutput.c: Likewise.
2116 * genpeep.c: Likewise.
2117 * genrecog.c: Likewise.
2119 1998-03-24 Martin von Loewis <loewis@informatik.hu-berlin.de>
2121 * c-lang.c (lang_print_xnode): New function.
2122 * objc/objc-act.c (lang_print_xnode): Likewise.
2123 * print-tree.c (print_node): Call it
2125 Mon Mar 23 23:59:11 1998 H.J. Lu (hjl@gnu.org)
2127 * c-parse.in: Recognize protocol qualifiers in class
2128 definitions for objc.
2130 (yyerror): Remove redundant decl.
2131 (yyprint): Fix prototype.
2133 Mon Mar 23 23:49:47 1998 Jeffrey A Law (law@cygnus.com)
2135 * cse.c (rtx_cost): Only call CONST_COSTS if it is defined.
2137 * stmt.c (unroll_block_trees): Free block_vector if needed.
2139 Mon Mar 23 23:26:42 1998 Philippe De Muyter <phdm@macqel.be>
2141 * m68k/m68k.md (zero_extendqidi2, zero_extendhidi2): New patterns.
2142 (zero_extendsidi2): Avoid useless copy.
2143 (iordi_zext): New pattern.
2144 (iorsi_zexthi_ashl16): Pattern reworked to avoid "0" constraint for
2146 (iorsi_zext): New name for old unnamed pattern; indentation fixes.
2148 * m68k/m68k.md (ashldi_const): Allow shift count in range ]32,63].
2149 (ashldi3): Allow constant shift count in range ]32,63].
2150 (ashrdi_const, ashrid3, lshrdi_const, lshrdi3): Likewise.
2152 1998-03-22 Mark Mitchell <mmitchell@usa.net>
2154 * tree.h (IS_EXPR_CODE_CLASS): New macro.
2156 Mon Mar 23 23:18:48 1998 Jeffrey A Law (law@cygnus.com)
2158 * h8300.h (CONST_COSTS): Remove definition.
2159 (DEFAULT_RTX_COSTS): Define.
2161 Mon Mar 23 22:58:22 1998 Joel Sherrill (joel@OARcorp.com)
2163 * config/sh/rtems.h: Switched from ELF to COFF.
2165 Mon Mar 23 14:14:20 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2167 * freebsd.h (ASM_OUTPUT_ALIGN): Redefine.
2169 Sat Mar 21 23:52:56 PST 1998 Jeff Law (law@cygnus.com)
2171 * version.c: Bump for snapshot.
2173 Sun Mar 22 00:50:42 1998 Nick Clifton <nickc@cygnus.com>
2174 Geoff Noer <noer@cygnus.com>
2176 * Makefile.in: Various fixes for building cygwin32 native toolchains.
2178 * objc/Makefile.in: Various fixes for building cygwin32 native toolchains.
2179 * objc/Make-lang.in: Likewise.
2181 * config/i386/xm-cygwin32.h (PATH_SEPARATOR): Set to a semi-colon.
2183 Sun Mar 22 00:21:46 1998 R. Ganesan <rganesan@novell.com>
2185 * configure.in: Handle with-PACKAGE=no correctly
2187 Fri Mar 20 17:36:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2189 * Makefile.in (alias.o, bitmap.o, c-aux-info.o, c-common.o,
2190 c-decl.o, c-iterate.o, c-lang.o, c-lex.o, c-pragma.o, c-typeck.o,
2191 caller-save.o, calls.o, collect2.o, combine.o, cse.o, dbxout.o,
2192 dwarf2out.o, dwarfout.o, emit-rtl.o, except.o, explow.o, expmed.o,
2193 expr.o, final.o, flow.o, function.o, getpwd.o, global.o,
2194 integrate.o, jump.o, local-alloc.o, loop.o, optabs.o, pexecute.o,
2195 prefix.o, print-rtl.o, print-tree.o, profile.o, real.o, recog.o,
2196 reg-stack.o, regclass.o, regmove.o, reload.o, reload1.o, reorg.o,
2197 rtl.o, rtlanal.o, sdbout.o, stmt.o, stor-layout.o, stupid.o,
2198 tlink.o, toplev.o, tree.o, unroll.o, varasm.o, xcoffout.o): Depend
2201 * alias.c, bitmap.c, c-aux-info.c, c-common.c, c-decl.c,
2202 c-iterate.c, c-lang.c, c-lex.c, c-pragma.c, c-typeck.c,
2203 caller-save.c, calls.c, collect2.c, combine.c, cse.c, dbxout.c,
2204 dwarf2out.c, dwarfout.c, emit-rtl.c, except.c, explow.c, expmed.c,
2205 expr.c, final.c, flow.c, function.c, gcc.c, getpwd.c, global.c,
2206 integrate.c, jump.c, local-alloc.c, loop.c, optabs.c, pexecute.c,
2207 prefix.c, print-rtl.c, print-tree.c, profile.c, real.c, recog.c,
2208 reg-stack.c, regclass.c, regmove.c, reload.c, reload1.c, reorg.c,
2209 rtl.c, rtlanal.c, sched.c, sdbout.c, stmt.c, stor-layout.c,
2210 stupid.c, tlink.c, toplev.c, tree.c, unroll.c, varasm.c,
2211 xcoffout.c: Include system.h. Organize include ordering so
2212 that stdarg/varargs comes before other system headers. Remove
2213 spurious casts of functions assured of a prototype in system.h.
2215 Fri Mar 20 11:19:40 1998 Stan Cox <scox@equinox.cygnus.com>
2217 * reg-stack.c (pop_stack): Define. Pops any register on the
2218 regstack and adjusts regstack.
2219 (compare_for_stack_reg): Use pop_stack.
2221 Thu Mar 19 23:51:01 1998 Jeffrey A Law (law@cygnus.com)
2223 * configure.in (hppa1.0-hp-hpux10): Handle threads for this
2226 Thu Mar 19 20:30:31 1998 Philippe De Muyter <phdm@macqel.be>
2228 * libgcc2.c (exit): Do not call __bb_exit_func if HAVE_ATEXIT.
2230 * fold-const.c (fold): Replace sign-extension of a zero extended
2231 value by a single zero extension.
2233 Thu Mar 19 00:58:07 1998 Jason Merrill <jason@yorick.cygnus.com>
2235 * except.c (init_eh): Do nothing.
2236 (save_eh_status): Call init_eh_for_function, not init_eh.
2237 * function.c (push_function_context_to): Don't call init_emit.
2239 Thu Mar 19 13:39:52 1998 Michael Meissner <meissner@cygnus.com>
2241 * rs6000/sysv4.h (RELATIVE_PREFIX_NOT_LINKDIR): Undef for System V
2244 Thu Mar 19 10:10:36 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * final.c (shorten_branches): Add parentheses around +/- in
2249 * flow.c (life_analysis): Wrap variable `i' in macro ELIMINABLE_REGS.
2251 Thu Mar 19 09:15:17 1998 Manfred Hollstein <manfred@s-direktnet.de>
2253 * regclass.c (memory_move_secondary_cost): Wrap uses of
2254 SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS
2257 Thu Mar 19 09:06:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
2259 * config/m68k/m68k.md (addqi3): Fix typo gen_INT vs. GEN_INT.
2261 * flow.c (life_analysis): #include <sys/types.h> to make sure
2263 * cplus-dem.c (demangle_function_name): Likewise.
2265 Thu Mar 19 09:00:01 1998 Manfred Hollstein <manfred@s-direktnet.de>
2267 * final.c (insn_noperands): Change type to unsigned int.
2268 (final_scan_insn): Likewise for noperands;
2269 properly check operand number boundaries.
2271 Wed Mar 18 16:20:30 1998 Richard Henderson <rth@cygnus.com>
2273 * alpha.md (extzv): Don't reject register operands. Fix
2276 Wed Mar 18 16:14:23 1998 Richard Henderson <rth@cygnus.com>
2278 * dbxout.c (dbxout_function_end): Fix last change. The correct
2279 predicate is ASM_OUTPUT_SECTION_NAME.
2281 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
2283 * sh.md (ashlsi_c-1): Delete 3rd argument to gen_ashlsi_c.
2284 (ashlsi): Use match_dup 1 instead of match_operand 2.
2286 Wed Mar 18 13:46:07 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2288 * fold-const.c (operand_equal_for_comparison_p): See if equal
2289 when nop conversions are removed.
2291 Wed Mar 18 13:42:01 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2293 * expr.c (expand_expr, case COND_EXPR): If have conditional move,
2294 don't use ORIGINAL_TARGET unless REG.
2296 Wed Mar 18 16:53:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2298 * netbsd.h (ASM_OUTPUT_ALIGN): Redefine.
2300 Wed Mar 18 12:43:20 1998 Jim Wilson <wilson@cygnus.com>
2302 * loop.c (struct movable): New field move_insn_first.
2303 (scan_loop): In consec sets code, set it. Clear it otherwise.
2304 (move_movables): In consec sets code, use it. Copy REG_NOTES from
2305 p to i1 only if i1 does not have REG_NOTES. Delete obsolete ifdefed
2308 Wed Mar 18 09:52:56 1998 Richard Henderson <rth@cygnus.com>
2310 * rtl.c (read_rtx): Fall back on homebrew atoll if HOST_WIDE_INT
2311 is large, and the system doesn't provide atoll or atoq.
2314 * alpha/xm-vms.h (HAVE_ATOLL): Define.
2315 Reported by Klaus Kaempf <kkaempf@progis.de>.
2317 Wed Mar 18 09:56:26 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2319 * c-lang.c (finish_file): Wrap variable `void_list_node' with macro
2320 test !ASM_OUTPUT_CONSTRUCTOR || !ASM_OUTPUT_DESTRUCTOR.
2322 * calls.c (emit_call_1): Wrap variable `already_popped' with macro
2323 test !ACCUMULATE_OUTGOING_ARGS.
2325 * collect2.c (write_c_file_glob): Wrap function definition in
2326 macro test !LD_INIT_SWITCH.
2328 * combine.c (try_combine): Wrap variables `cc_use' and
2329 `compare_mode' in macro test EXTRA_CC_MODES.
2331 * cpplib.c (do_ident): Remove unused variable `len'.
2332 (skip_if_group): Remove unused variables `at_beg_of_line' and
2334 (cpp_get_token): Remove unused variable `dummy'.
2336 * dbxout.c (scope_labelno): Move static variable definition inside
2337 the one function scope where it is used.
2338 (dbxout_function_end): Wrap prototype and definition in
2339 macro test !NO_DBX_FUNCTION_END.
2341 * dwarf2out.c (add_subscript_info): Wrap variable `dimension_number'
2342 in macro test !MIPS_DEBUGGING_INFO.
2344 * expr.c (expand_builtin_setjmp): Move declaration of variable `i'
2345 into the scope where it is used. Wrap empty else-statement body
2348 * fix-header.c: Fix typo in comment.
2349 (inf_skip_spaces): Cast results of INF_UNGET to (void).
2350 (check_protection, main): Likewise.
2352 * flow.c (find_basic_blocks_1): Remove dangling comment text.
2354 * function.c (contains): Wrap prototype and definition in macro
2355 test HAVE_prologue || HAVE_epilogue.
2356 (fixup_var_refs_1): Remove unused variable `width'.
2358 * gen-protos.c (main): Remove unused variable `optr'.
2360 * haifa-sched.c (debug_control_flow): Remove unused variable `j'.
2362 * libgcc2.c (__udiv_w_sdiv): Provide dummy return value of 0.
2363 (__sjpopnthrow): Remove unused variable `jmpbuf'.
2364 (__throw): Remove unused variable `val'.
2366 * protoize.c: Check for a previously existing definition before
2367 defining *_OK macros.
2369 * scan-decls.c (scan_decls): Remove unused variable `old_written'.
2371 Tue Mar 17 00:45:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2373 * vax.h (ADDR_VEC_ALIGN): Define.
2375 Mon Mar 16 15:57:17 1998 Michael Meissner <meissner@cygnus.com>
2377 * gcc.c (default_arg): Don't wander off the end of allocated
2380 (From Geoffrey Keating <geoffk@ozemail.com.au>)
2381 * rs6000.c (small_data_operand): Ensure that any address
2382 referenced relative to the small data area is inside the SDA.
2384 Mon Mar 16 12:55:15 1998 Jim Wilson <wilson@cygnus.com>
2386 * config/m68k/netbsd.h (ASM_SPEC): Add %{m68060}.
2388 Mon Mar 16 15:50:20 EST 1998 Andrew MacLeod <amacleod@cygnus.com>
2390 * except.h (in_same_eh_region): New prototype.
2391 (free_insn_eh_region, init_insn_eh_region): New prototypes.
2392 * except.c (insn_eh_region, maximum_uid): New static variables.
2393 (set_insn_eh_region): New static function to set region numbers.
2394 (free_insn_eh_region): New function to free EH region table.
2395 (init_insn_eh_region): New function to initialize EH region table.
2396 (in_same_eh_region): New function used to determine if two rtl
2397 instructions are in the same exception region or not.
2398 * final.c (final): Initialize the table indicating which instructions
2399 belong in which exception region.
2400 * genpeep.c (main): Add "except.h" to include file list in generated
2402 * config/sparc/sparc.md: Add calls to 'in_same_eh_region' in 4
2403 peepholes involving calls and unconditional branches.
2405 Mon Mar 16 11:16:50 1998 Jim Wilson <wilson@cygnus.com>
2407 * README.gnat: New file.
2409 Mon Mar 16 11:14:20 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2411 * config/m68k/m68k.c: Include <stdlib.h> for atoi. Include
2412 "recog.h" for offsettable_memref_p.
2413 (legitimize_pic_address): Remove unused variable `offset'.
2414 (notice_update_cc): Change return type to void. Add default label
2416 (standard_68881_constant_p): Remove unused variable mode.
2417 (print_operand): Define local variable i only if SUPPORT_SUN_FPA.
2418 (const_int_cost): Explicitly declare as returning int.
2419 (output_dbcc_and_branch): Change return type to void.
2421 * config/m68k/linux.h, config/m68k/m68k.md, config/m68k/m68k.c,
2422 config/m68k/m68k.h: Replace gen_rtx (XXX, ...) with gen_rtx_XXX
2423 (...). Use GEN_INT instead of gen_rtx_CONST_INT.
2425 Sun Mar 15 22:30:44 PST 1998 Jeff Law (law@cygnus.com)
2427 * version.c: Bump for snapshot.
2429 Fri Mar 13 11:30:12 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2431 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Fix logic in range
2432 check for 'M' constraint.
2434 Thu Mar 12 14:47:14 1998 Jim Wilson <wilson@cygnus.com>
2436 * cccp.c (create_definition): If pedantic, call pedwarn for macro
2439 Thu Mar 12 13:43:25 1998 Bernd Schmidt <crux@Pool.Informatik.RWTH-Aachen.DE>
2441 * i386.c (ix86_logical_operator): New function.
2442 (split_di): Ensure that when a MEM is split, the resulting MEMs have
2444 * i386.md (anddi3, xordi3, iordi3): New patterns. Add a define_split
2447 Thu Mar 12 15:13:16 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2448 Richard Earnshaw <rearnsha@arm.com>
2449 Nick Clifton <nickc@cygnus.com>
2451 * tm.texi (DEFAULT_RTX_COSTS): Document new macro.
2453 * arm.h (DEFAULT_RTX_COSTS): Define instead of RTX_COSTS.
2455 * cse.c (rtx_cost): Provide a default case in an enumeration
2456 switch, and call DEFAULT_RTX_COSTS if it's defined.
2458 Thu Mar 12 10:02:38 1998 Manfred Hollstein <manfred@s-direktnet.de>
2460 * basic-block.h (compute_preds_succs): Change return type in
2462 * flow.c (compute_preds_succs): Likewise in function definition.
2464 * regmove.c (find_matches): Cast char used as array index to unsigned char
2467 Thu Mar 12 09:39:40 1998 Manfred Hollstein <manfred@s-direktnet.de>
2469 * i386.h (RTX_COSTS): Insert braces around nested if.
2470 (ADDITIONAL_REGISTER_NAMES): Insert braces around structured
2473 * gcc.c (default_compilers): Properly put brackets around array elements in
2476 * getopt.c (_getopt_internal): Add explicit braces around nested if;
2479 * reg-stack.c (record_asm_reg_life): Add explicit braces around nested if's.
2480 (record_reg_life_pat): Add explicit parens around && and || in expression.
2481 (stack_reg_life_analysis): Add parens around assignment used as expression.
2482 (convert_regs): Likewise.
2484 Thu Mar 12 09:25:29 1998 Manfred Hollstein <manfred@s-direktnet.de>
2486 * bitmap.c (bitmap_element_allocate): Remove unused parameter;
2487 change callers accordingly.
2489 * cplus-dem.c (arm_special): Remove unused parameter work in prototype
2490 and definition; change all callers accordingly.
2492 * except.c (init_eh): Avoid assignment of unused return value of
2493 build_pointer_type; cast it to void, instead, and remove unused
2496 * gcc.c (lang_specific_driver): Define prototype only #ifdef
2497 LANG_SPECIFIC_DRIVER.
2498 (temp_names): Define only #ifdef MKTEMP_EACH_FILE.
2500 * genoutput.c (output_epilogue): Initialize next_name to 0.
2502 * real.c (efrexp): #if 0 prototype and function definition.
2503 (eremain): Likewise.
2510 * reload.c (push_secondary_reload): Define prototype only
2511 #ifdef HAVE_SECONDARY_RELOADS.
2513 * varasm.c (assemble_static_space): Define rounded only
2514 #ifndef ASM_OUTPUT_ALIGNED_LOCAL.
2516 Thu Mar 12 09:11:35 1998 Manfred Hollstein <manfred@s-direktnet.de>
2518 * i386.md (andsi): Add default case in enumeration switch.
2523 Thu Mar 12 08:37:02 1998 Manfred Hollstein <manfred@s-direktnet.de>
2525 * c-decl (finish_struct): Change type of min_align to unsigned.
2527 * cplus-dem.c (demangle_function_name): Change type of variable i to size_t;
2528 remove unused variable len.
2530 * dwarf2out.c (reg_save): Add explicit cast of -1 to unsigned and a
2531 comment indicating this is proper behaviour.
2532 (reg_loc_descriptor): Remove redundant comparison of unsigned variable
2534 (based_loc_descr): Likewise.
2536 * enquire.c (bitpattern): Change type of variable i to unsigned.
2538 * final.c (output_asm_insn): Don't cast insn_noperands to unsigned.
2540 * flow.c (life_analysis): Change type of variable i to size_t;
2541 remove unused variable insn.
2543 * gcc.c (translate_options): Change type of variables optlen, arglen and
2545 (input_filename_length): Change type to size_t.
2546 (do_spec_1): Change type of variable bufsize to size_t.
2547 (main): Change type of variables i and j to size_t;
2548 remove subblock local definition of variable i.
2549 (lookup_compiler): Change type of second argument to size_t;
2550 change type of variable i to size_t.
2552 * genemit.c (output_init_mov_optab): Change type of variable i to size_t.
2554 * genopinit.c (get_insn): Change type of variable pindex to size_t.
2556 * genrecog.c (add_to_sequence): Change type of variable i to size_t.
2558 * global.c (global_alloc): Change type of variable i to size_t.
2560 * regclass.c (init_reg_sets): Change type of variables i and j to unsigned.
2562 * stmt.c (expand_end_bindings): Change type of variable i to size_t.
2563 (expand_end_case): Change type of variable count to size_t.
2565 * toplev.c (main): Change type of variable j to size_t.
2566 (set_target_switch): Change type of variable j to size_t.
2567 (print_switch_values): Change type of variable j to size_t;
2568 remove unused variable flags.
2570 * varasm.c (assemble_variable): Change type of variable align to size_t.
2571 (const_hash_rtx): Change type of variable i to size_t.
2573 1998-03-11 Mark Mitchell <mmitchell@usa.net>
2575 * dbxout.c (dbxout_type_methods): Only treat TYPE_METHODS as a
2576 TREE_VEC if that's what it really is.
2578 Wed Mar 11 15:16:01 1998 Michael Meissner <meissner@cygnus.com>
2580 * {haifa-,}sched.c (rank_for_schedule): Only take void * arguments
2583 Wed Mar 11 12:05:20 1998 Teemu Torma <tot@trema.com>
2585 * gthr.h: Changed the comment about return values.
2586 * gthr-solaris.h (__gthread_once): Do not use errno; return the
2587 error number instead of -1.
2588 (__gthread_key_create): Any non-zero return value is an error.
2589 * libgcc2.c (eh_context_initialize): Check for non-zero return
2590 value from __gthread_once.
2591 Check that the value of get_eh_context was really changed.
2593 Wed Mar 11 18:26:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2595 * sh.h (LOOP_ALIGN): Only align when optimizing.
2596 * sh.c (find_barrier): Clear inc for CODE_LABELs.
2597 When not optimizing, calculate alignment for BARRIERs directly.
2599 Wed Mar 11 15:07:18 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2601 * final.c (shorten_branches): Remove conditionalizing on
2602 SHORTEN_WITH_ADJUST_INSN_LENGTH
2603 * sh.h, pa.h (SHORTEN_WITH_ADJUST_INSN_LENGTH): Remove.
2605 Wed Mar 11 02:37:41 1998 Jeffrey A Law (law@cygnus.com)
2607 * flow.c (find_basic_blocks_1): Keep the cfg accurate when removing
2608 an unconditional jump around deleted blocks.
2610 Mon Mar 9 12:02:23 1998 Jim Wilson <wilson@cygnus.com>
2612 * profile.c (branch_prob): If see computed goto, call fatal instead of
2615 * config/mips/sni-svr4.h (CPP_PREDEFINE): Add -DSNI and -Dsinix.
2617 * configure.in (alpha-dec-osf): Add default case for osf* to switch.
2618 Patch from Bruno Haible.
2620 * function.c (put_reg_into_stack): Copy MEM_IN_STRUCT_P from new.
2621 (assign_parms): Set aggregate if hide_last_arg and last_named.
2623 Mon Mar 9 19:57:56 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2625 * final.c (shorten_branches): Initialize insn_addresses.
2627 Mon Mar 9 14:10:23 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2629 * sh.h (MUST_PASS_IN_STACK): Define.
2631 Sun Mar 8 13:01:56 1998 Jeffrey A Law (law@cygnus.com)
2633 * final.c (shorten_branches): Fix minor logic error in
2634 ADDR_DIFF_VEC shortening support.
2636 Sun Mar 8 02:17:42 PST 1998 Jeff Law (law@cygnus.com)
2638 * version.c: Bump for snapshot.
2640 Sat Mar 7 00:54:15 1998 Jeffrey A Law (law@cygnus.com)
2642 * haifa-sched.c (is_cfg_nonregular): Change return type to
2643 an int. No longer compute "estimated" number of edges. Use
2644 computed_jump_p instead of duplicating the code. Fixup/add
2646 (build_control_flow): Returns a value indicating an irregularity
2647 in the cfg was detected. Count the number of edges in the cfg.
2648 allocate various edge tables.
2649 (find_rgns): No longer look for unreachable blocks.
2650 (schedule_insns): Do not allocate memory for edge tables here.
2651 Free memory for edge tables before returning. Do not perform
2652 cross block scheduling if build_control_flow returns nonzero.
2653 * flow.c (compute_preds_succs): More accurately determine when
2656 * basic-block.h (free_basic_block_vargs): Provide prototype.
2658 * cccp.c (main): Fix dumb mistakes in last change.
2660 Fri Mar 6 21:28:45 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2662 * rtl.h (addr_diff_vec_flags): New typedef.
2663 (union rtunion_def): New member rt_addr_diff_vec_flags.
2664 (ADDR_DIFF_VEC_FLAGS): New macro.
2666 * sh.c (output_branch): Fix offset overflow problems.
2668 * final.c (shorten_branches): Implement CASE_VECTOR_SHORTEN_MODE.
2669 (final_scan_insn): New argument BODY for ASM_OUTPUT_ADDR_DIFF_ELT.
2670 * rtl.def (ADDR_DIFF_VEC): Three new fields (min, max and flags).
2671 * stmt.c (expand_end_case): Supply new arguments to
2672 gen_rtx_ADDR_DIFF_VEC.
2673 * 1750a.h (ASM_OUTPUT_ADDR_DIFF_ELT): New argument BODY.
2674 * alpha.h, arc.h, clipper.h, convex.h : Likewise.
2675 * dsp16xx.h, elxsi.h, fx80.h, gmicro.h, h8300.h : Likewise.
2676 * i370.h, i386.h, i860.h, i960.h, m32r.h, m68k.h, m88k.h : Likewise.
2677 * mips.h, mn10200.h, mn10300.h, ns32k.h, pa.h, pyr.h : Likewise.
2678 * rs6000.h, sh.h, sparc.h, spur.h, tahoe.h, v850.h : Likewise.
2679 * vax.h, we32k.h, alpha/vms.h, arm/aof.h, arm/aout.h : Likewise.
2680 * i386/386bsd.h, i386/freebsd-elf.h : Likewise.
2681 * i386/freebsd.h, i386/linux.h : Likewise.
2682 * i386/netbsd.h, i386/osfrose.h, i386/ptx4-i.h, i386/sco5.h : Likewise.
2683 * i386/sysv4.h, m68k/3b1.h, m68k/dpx2.h, m68k/hp320.h : Likewise.
2684 * m68k/mot3300.h, m68k/sgs.h : Likewise.
2685 * m68k/tower-as.h, ns32k/encore.h, sparc/pbd.h : Likewise.
2686 * sh.h (INSN_ALIGN, INSN_LENGTH_ALIGNMENT): Define.
2687 (CASE_VECTOR_SHORTEN_MODE): Define.
2688 (short_cbranch_p, align_length, addr_diff_vec_adjust): Don't declare.
2689 (med_branch_p, braf_branch_p): Don't declare.
2690 (mdep_reorg_phase, barrier_align): Declare.
2691 (ADJUST_INSN_LENGTH): Remove alignment handling.
2692 * sh.c (uid_align, uid_align_max): Deleted.
2693 (max_uid_before_fixup_addr_diff_vecs, branch_offset): Deleted.
2694 (short_cbranch_p, med_branch_p, braf_branch_p, align_length): Deleted.
2695 (cache_align_p, fixup_aligns, addr_diff_vec_adjust): Deleted.
2696 (output_far_jump): Don't use braf_branch_p.
2697 (output_branchy_insn): Don't use branch_offset.
2698 (find_barrier): Remove checks for max_uid_before_fixup_addr_diff_vecs.
2699 Remove paired barrier stuff.
2700 Don't use cache_align_p.
2701 Take alignment insns into account.
2702 (fixup_addr_diff_vecs): Reduce to only fixing up the base label of
2704 (barrier_align, branch_dest): New function.
2705 (machine_dependent_reorg, split_branches): Remove infrastructure
2706 for branch shortening that is now provided in the backend.
2707 * sh.md (short_cbranch_p, med_branch_p, med_cbranch_p): New attributes.
2708 (braf_branch_p, braf_cbranch_p): Likewise.
2709 (attribute length): Use new attributes.
2710 (casesi_worker): Get mode and unsignednedd from ADDR_DIFF_VEC.
2711 (addr_diff_vec_adjust): Delete.
2712 (align_2): Now a define_expand.
2713 (align_log): Now length 0.
2715 Fri Mar 6 14:41:33 1998 Michael Meissner <meissner@cygnus.com>
2717 * m32r.md (right): Correctly check for length == 2, not 1.
2719 Fri Mar 6 14:00:04 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2721 * mips/mips.h: Prototype `machine_dependent_reorg'.
2722 (ASM_OUTPUT_ALIGN): Remove unused variable `mask'.
2724 Fri Mar 6 11:43:35 1998 Joern Rennecke (amylaar@cygnus.co.uk)
2726 * final.c (shorten_branches): Restore accidentally removed code.
2728 Fri Mar 6 11:00:49 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
2730 * configure.in: Remove duplicate uses of AC_PROG_CC and
2733 Fri Mar 6 00:59:30 1998 Richard Henderson <rth@cygnus.com>
2735 * configure.in (target_cpu_default2): Correct typo for alphapca56.
2737 Thu Mar 5 23:24:50 1998 Jeffrey A Law (law@cygnus.com)
2738 Doug Evans (devans@cygnus.com)
2740 * haifa-sched.c (build_jmp_edges): Delete dead function.
2741 (build_control_flow): Use cfg routines from flow.c
2742 (schedule_insns): Remove debugging code accidentally checked
2745 * basic-block.h: Add external integer list structures, typdefs,
2746 accessor macros and function declarations. Simlarly for
2747 basic block pred/succ support and simple bitmap stuff.
2748 * flow.c: Add functions for integer list, basic block pred/succ
2749 support and simple bitmap support.
2750 (compute_dominators): New function to compute dominators and
2752 (find_basic_blocks): Split into two functions.
2753 (life_analysis): Likewise.
2754 (flow_analysis): Removed. Now handled by calling find_basic_blocks,
2755 the life_analysis from toplev.c
2756 * toplev.c (rest_of_compilation): Call find_basic_blocks, then
2757 life_analysis instead of flow_analysis.
2759 Thu Mar 5 23:06:26 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2761 * jump.c (jump_optimize): Call mark_jump_label also for deleted
2763 (mark_jump_label): Don't increment ref counts for deleted insns.
2765 Thu Mar 5 09:55:15 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2767 * mips/iris6.h (TARGET_DEFAULT): Parenthesize macro definition.
2769 * mips/mips.c: Include stdlib.h and unistd.h.
2770 (mips_asm_file_end): Add braces around empty body in an if-statement.
2771 (function_prologue): Wrap variable `fnname' in
2772 !FUNCTION_NAME_ALREADY_DECLARED. Correct format specifier in fprintf.
2773 (mips_select_rtx_section, mips_select_section): Declare as void.
2775 * mips/mips.h: Add prototypes for extern functions in mips.c.
2776 (FUNCTION_ARG_REGNO_P): Add parentheses around && within ||.
2777 (ENCODE_SECTION_INFO): Add braces around empty body in an
2780 * mips/mips.md (movdi): Add parentheses around && within ||.
2781 (movsf, movdf): Likewise.
2782 (branch_zero, branch_zero_di): Add default case in
2786 Thu Mar 5 02:45:48 1998 Richard Henderson <rth@cygnus.com>
2788 * alpha/alpha.h (TARGET_WINDOWS_NT, TARGET_OPEN_VMS): Just make them
2789 real constants, since they can't be changed.
2790 (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2791 * alpha/alpha.md (builtin_setjmp_receiver): Use it.
2792 * alpha/osf.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2793 * alpha/osf2or3.h (TARGET_AS_CAN_SUBTRACT_LABELS): New.
2794 * alpha/vms.h (TARGET_OPEN_VMS): New.
2795 * alpha/win-nt.h (TARGET_WINDOWS_NT): New.
2797 Thu Mar 5 02:41:27 1998 Richard Henderson <rth@cygnus.com>
2799 * reload.c (find_reloads): Always force (subreg (mem)) to be
2800 reloaded if WORD_REGISTER_OPERATIONS.
2802 Thu Mar 5 02:14:44 1998 Richard Henderson <rth@cygnus.com>
2804 * haifa-sched.c (free_list): Rename from free_pnd_lst.
2805 (free_pending_lists): Rename free_pnd_lst uses.
2806 (remove_dependence): Place expunged element on unused_insn_list.
2807 (alloc_INSN_LIST, alloc_EXPR_LIST): New. Change all callers of
2808 gen_rtx_*_LIST and alloc_rtx to use them.
2809 (compute_block_backward_dependences): Free the reg_last_* lists.
2811 Thu Mar 5 00:05:40 1998 Jeffrey A Law (law@cygnus.com)
2813 * cccp.c (main): Avoid undefined behavior when setting pend_includes
2816 Wed Mar 4 21:58:25 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
2818 * rs6000/linux.h: don't define DEFAULT_VTABLE_THUNKS to 1 if
2819 USE_GNULIBC_1 is defined
2820 * configure.in: add a new case powerpc-*-linux-gnulibc1 which
2821 includes the t-linux-gnulibc1 fragment
2823 Wed Mar 4 12:11:36 1998 Jim Wilson <wilson@cygnus.com>
2825 * mips.md (movdf_internal1a): Fix misplaced parenthesis in condition.
2827 Wed Mar 4 18:47:48 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2829 * final.c (final_scan_insn, case CODE_LABEL: Cleanup.
2831 Wed Mar 4 15:51:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2833 * final.c (shorten_branches): Tag the loop alignment onto the
2834 first label after NOTE_INSN_LOOP_BEG even if there is an
2837 Tue Mar 3 21:48:35 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2839 * final.c (insn_current_reference_address):
2840 Use SEQ instead of BRANCH as argument to align_fuzz, to get a
2841 proper alignment chain.
2843 * final.c (max_labelno): New static variable.
2844 (final_scan_insn): Check max_labelno before outputting an
2845 alignment for a label.
2846 (shorten_branches): Remove unused variable length_align.
2848 Tue Mar 3 14:27:23 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2850 * sparc.c (ultrasparc_adjust_cost): Add default case in
2853 * sparc.h: Add prototypes for extern functions defined in
2856 Tue Mar 3 10:00:11 1998 Nick Clifton <nickc@cygnus.com>
2858 * toplev.c: Only generate <name>.dbr file when dumping RTL if
2859 DEALY_SLOTS is defined.
2861 Tue Mar 3 07:36:37 1998 Manfred Hollstein <manfred@s-direktnet.de>
2863 * reorg.c (fill_eager_delay_slots): Add new argument delay_list
2864 in call to fill_slots_from_thread.
2866 Mon Mar 2 13:45:03 1998 Richard Henderson <rth@cygnus.com>
2868 * alpha/linux.h (CPP_PREDEFINES): Correct connecting whitespace
2869 to SUB_CPP_PREDEFINES. Reported by asun@saul4.u.washington.edu.
2871 Mon Mar 2 22:59:28 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
2873 * final.c (insn_last_address, insn_current_align, uid_align):
2875 (in_align_chain, align_fuzz, align_shrink_fuzz): New functions.
2876 (insn_current_reference_address): Likewise.
2877 (shorten_branches, final_scan_insn): Implement LABEL_ALIGN,
2878 LABEL_ALIGN_AFTER_BARRIER and LOOP_ALIGN target macros.
2879 (label_to_alignment): New function.
2880 * genattrtab.c (write_test_expr): If one of LABEL_ALIGN,
2881 LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN is defined, call
2882 insn_current_reference_address instead of insn_current_address.
2883 (or_attr_value, write_length_unit_log): New functions.
2884 (main): Call write_length_unit_log.
2885 (write_const_num_delay_slots): Output extra '\n'.
2886 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE):
2888 (LOOP_ALIGN, ALIGN_LABEL_AFTER_BARRIER).
2889 * i386.h, i386/osfrose.h, i386/svr3dbx.h, m68k.h, sparc.h: Likewise.
2890 * arc.h, m32r.h (ASM_OUTPUT_LOOP_ALIGN): replace with:
2892 * i960.h, m88k.h: (ASM_OUTPUT_ALIGN_CODE): Replace with:
2893 (LABEL_ALIGN_AFTER_BARRIER).
2894 * ns32k/encore.h, ns32k/merlin.h, ns32k.h, ns32k/sequent.h: Likewise.
2895 * ns32k/tek6000.h: Likewise.
2896 * i386/gas.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Delete.
2897 * i386.md (casesi+1): Use ASM_OUTPUT_ALIGN instead of
2898 ASM_OUTPUT_ALIGN_CODE.
2900 Mon Mar 2 01:05:50 PST 1998 Jeff Law (law@cygnus.com)
2902 * version.c: Bump for snapshot.
2904 Mon Mar 2 00:52:18 PST 1998 Jeff Law (law@cygnus.com)
2906 * version.c: Bump for snapshot.
2908 Sun Mar 1 18:25:49 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
2910 * reorg.c (fill_slots_from_thread): Don't steal delay list from target
2911 if condition code of jump conflicts with opposite_needed.
2913 * reorg.c (fill_slots_from_thread): Mark resources referenced in
2914 opposite_needed thread. Return delay_list even when cannot get
2915 any more delay insns from end of subroutine.
2917 Sun Mar 1 18:26:21 1998 Ken Rose (rose@acm.org)
2919 * reorg.c (fill_slots_from_thread): New parameter, delay_list.
2920 All callers changed.
2922 Sun Mar 1 18:25:37 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
2924 * frame.c (start_fde_sort, fde_split, heapsort, fde_merge,
2925 end_fde_sort): New functions for fast sorting of an FDE array.
2926 (fde_insert): Simplified.
2927 (add_fdes): Change argument list.
2928 (frame_init): Use the new functions.
2930 Sun Mar 1 18:06:21 1998 Jeffrey A Law (law@cygnus.com)
2932 * ginclude/va-ppc.h (va_arg): Fix typo in long long support.
2934 * i386.c (reg_mentioned_in_mem): Fix dangling else statement.
2936 * fold-const.c (fold_range_test): Always return a value.
2938 Sun Mar 1 17:57:34 1998 Mumit Khan <khan@xraylith.wisc.edu>
2940 * config/i386/winnt.c (i386_pe_unique_section): Put read-only
2941 data in the text section unless READONLY_DATA_SECTION is defined.
2943 Sun Mar 1 17:48:46 1998 Jeffrey A Law (law@cygnus.com)
2945 * c-parse.in (undeclared variable error): Tweak error message to
2948 Sun Mar 1 10:22:36 PST 1998 Jeff Law (law@cygnus.com)
2950 * version.c: Bump for snapshot.
2952 1998-02-28 Mark Mitchell <mmitchell@usa.net>
2954 * final.c (final_scan_insn): Undo overzealous removal of `set'.
2956 Sat Feb 28 07:54:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2958 * pa.h (CONST_COSTS): When checking the CONST_DOUBLE enumerated
2959 case, add parentheses to specify the proper order of precedence in
2963 * c-aux-info.c: Include string.h/strings.h.
2965 * pa.c: Include stdlib.h.
2966 (pa_combine_instructions): Prototype the function.
2967 (pa_can_combine_p, forward_branch_p, shadd_constant_p): Likewise.
2968 (reloc_needed): Add default case for enumeration switch.
2969 (remove_useless_addtr_insns): Remove unused variable `all'.
2970 (hppa_expand_prologue): Add explicit braces to avoid
2972 (output_function_epilogue): Remove unused variable `i'.
2973 (output_millicode_call): Remove unused variable `link'.
2974 (shadd_constant_p, forward_branch_p): Make the function static.
2975 (following_call): Explicitly declare to return int.
2976 (pa_reorg): Declare as void.
2977 (pa_combine_instructions): Declare as static void. Add
2978 parentheses around && within ||.
2980 * pa.h: Add prototypes for pa_reorg, symbolic_operand,
2981 following_call, function_label_operand, lhs_lshift_cint_operand
2984 * pa.md: Add parentheses around && within ||.
2986 * cppalloc.c: Include stdlib.h.
2988 * cpperror.c (cpp_print_containing_files): Remove unused variable
2989 `i'. Fix format specifier in fprintf.
2991 * cse.c (cse_around_loop): Add explicit braces to avoid
2993 (delete_dead_from_cse): Wrap variable `tem' in macro HAVE_cc0.
2995 * expr.c (expand_expr): Add parentheses around && within ||.
2997 * final.c (app_enable): Replace fprintf with fputs where there are
2998 no format specifiers and no trailing argument after the string.
2999 Eg, when printing ASM_APP_ON/ASM_APP_OFF.
3000 (app_disable): Likewise.
3001 (final_end_function): Likewise.
3002 (final_scan_insn): Likewise. Remove unused variable `set'.
3003 (profile_function): Wrap empty if-statement body in {} brackets.
3005 * function.c: Include stdlib.h.
3006 (pad_below): Wrap prototype and definition in ARGS_GROW_DOWNWARD.
3007 (reposition_prologue_and_epilogue_notes): Add parentheses
3008 around assignment used as truth value.
3010 * integrate.c (expand_inline_function): Wrap variable
3011 `cc0_insn' in macro HAVE_cc0.
3013 * jump.c (jump_optimize): Wrap variable `q' in macro
3014 HAVE_cc0. Remove unused variable `prev1'.
3016 * libgcc2.c (__bb_exit_trace_func): Add parentheses around &&
3017 within ||. Fix format specifier in fprintf.
3018 (__bb_init_prg): Add parentheses around assignment used as
3021 * local-alloc.c: Include stdlib.h.
3022 (requires_inout): Add parentheses around assignment used
3025 * loop.c (analyze_loop_iterations): Wrap prototype and definition
3026 in macro HAVE_decrement_and_branch_on_count.
3027 (insert_bct, instrument_loop_bct): Likewise.
3028 (move_movables): Add parentheses around assignment used as
3030 (consec_sets_invariant_p): Likewise.
3031 (maybe_eliminate_biv_1): Wrap variable `new' in macro HAVE_cc0.
3033 * objc/objc-act.c: Include stdlib.h.
3034 (lookup_method_in_protocol_list): Wrap empty else-statement body
3036 (lookup_protocol_in_reflist): Likewise.
3037 (objc_add_static_instance): Remove unused variables `decl_expr'
3039 (get_objc_string_decl): Remove unused variable `decl'.
3040 (generate_static_references): Remove unused variables `idecl' and
3042 (check_protocols): Wrap empty else-statement body in braces.
3044 * protoize.c: Include stdlib.h.
3045 (substr): Add parentheses around assignment used as truth value.
3046 (abspath): Likewise.
3047 (shortpath): Likewise.
3049 * regmove.c (fixup_match_1): Add parentheses around assignment
3050 used as truth value.
3052 * reload.c (push_secondary_reload): Remove unused variable `i'.
3053 (find_reloads): Add parentheses around assignment used as truth
3056 * reload1.c: Include stdlib.h.
3058 * rtl.h: Correct typo in prototype of offsettable_memref_p.
3060 * stmt.c (add_case_node): Add parentheses around assignment used
3062 (case_tree2list): Likewise.
3064 * tree.c (valid_machine_attribute): Wrap variable `decl_attr_list'
3065 in macro VALID_MACHINE_DECL_ATTRIBUTE. Wrap variable
3066 `type_attr_list' in macro VALID_MACHINE_TYPE_ATTRIBUTE.
3067 (merge_attributes): Add explicit braces to avoid ambiguous
3070 * unroll.c (copy_loop_body): Wrap variable `cc0_insn' in
3073 * varasm.c: Include stdlib.h.
3076 * system.h: Remove sys/stat.h.
3077 * gcc.c: Add sys/stat.h.
3079 * genattr.c: Wrap prototype of `free' in NEED_DECLARATION_FREE.
3080 * genattrtab.c: Likewise.
3081 * genconfig.c: Likewise.
3082 * genemit.c: Likewise.
3083 * genextract.c: Likewise.
3084 * genflags.c: Likewise.
3085 * genopinit.c: Likewise.
3086 * genoutput.c: Likewise.
3087 * genpeep.c: Likewise.
3088 * genrecog.c: Likewise.
3089 * tlink.c: Likewise. Also wrap `getenv' in NEED_DECLARATION_GETENV.
3091 Fri Feb 27 11:02:47 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3093 * invoke.texi: Use @itemx for a secondary item in a @table.
3095 * config/m68k/m68k.md (movsf+1): Optimize moving a CONST_DOUBLE
3098 Thu Feb 26 00:13:21 1998 Ian Lance Taylor <ian@cygnus.com>
3100 * choose-temp.c: Fix handling of sys/file.h to work in libiberty.
3102 Wed Feb 25 23:40:54 1998 Jeffrey A Law (law@cygnus.com)
3104 * i386.c (struct machine_function): Add new fields for PIC stuff.
3105 (save_386_machine_status): Fix argument to xmalloc. Save pic_label_rtx
3107 (restore_386_machine_status): Corresponding changes.
3108 (clear_386_stack_locals): Also clear pic_label_rtx and pic_label_name.
3110 Wed Feb 25 01:31:40 1998 Jeffrey A Law (law@cygnus.com)
3112 * c-parse.y (undeclared variable error): Tweak error message
3115 Tue Feb 24 23:54:07 1998 Richard Henderson <rth@cygnus.com>
3117 * flags.h (g_switch_value, g_switch_set): Declare.
3118 * alpha.c (override_options): Set g_switch_value=8 if not set.
3119 * alpha/elf.h (CC1_SPEC): New.
3121 (LINK_SPEC): Pass along the -G value we were given.
3122 (LOCAL_ASM_OP): Remove.
3123 (ASM_OUTPUT_ALIGNED_LOCAL): Output to .bss or .sbss by size.
3124 (MAX_OFILE_ALIGNMENT): New.
3125 (BSS_SECTION_ASM_OP, SBSS_SECTION_ASM_OP, SDATA_SECTION_ASM_OP): New.
3126 (EXTRA_SECTIONS): Add sbss and sdata.
3127 (SECTION_FUNCTION_TEMPLATE): New.
3128 (EXTRA_SECTION_FUNCTIONS): Use it.
3129 (CTORS_SECTION_FUNCTION, DTORS_SECTION_FUNCTION): Remove.
3130 (SELECT_SECTION): Use sdata when small enough.
3131 * alpha/linux.h (ASM_SPEC): Remove.
3134 Mon Feb 23 15:09:18 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3135 * config.sub (sco5): Fix typo.
3137 Mon Feb 23 18:19:31 1998 Manfred Hollstein <manfred@s-direktnet.de>
3139 * config/t-linux (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Add macros and
3141 * config/t-linux-aout (LIBGCC1, CROSS_LIBGCC1, LIBGCC1_TEST): Likewise.
3142 * config/alpha/t-linux: Remove file.
3143 * config/sparc/t-linux: Remove file.
3144 * config/m68k/t-linux (LIBGCC1, CROSS_LIBGCC1): Remove.
3145 * config/m68k/t-linux-aout (LIBGCC1, CROSS_LIBGCC1): Likewise.
3146 * configure.in (alpha*-*-linux-gnulibc1*): Use t-linux instead of alpha/t-linux
3148 (alpha*-*-linux-gnu*): Likewise.
3149 (sparc-*-linux-gnulibc1*): Use t-linux instead of sparc/t-linux for tmake_file.
3150 (sparc-*-linux-gnu*): Likewise.
3152 Mon Feb 23 10:47:39 1998 Robert Lipe <robertl@dgii.com>
3153 * collect2.c (ldd_file_name): Bracket declaration with same
3155 (full_real_ld_suffix): Deleted. Variable was calloced and
3156 written into, but never read.
3158 1998-02-23 Mike Stump <mrs@wrs.com>
3160 * configure.in: Add support for i386-wrs-vxworks configuration.
3161 * i386/vxi386.h: New file.
3163 Sun Feb 22 21:16:51 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
3165 * tree.c (contains_placeholder_p): Ensure function always returns
3167 * sparc.md (movdi_sp64_insn): Add default case in enumeration switch.
3168 (movsf_const_insn, movdf_const_insn, movtf_const_insn): Likewise.
3170 Sun Feb 22 20:58:19 1998 Jeffrey A Law (law@cygnus.com)
3172 * vms.h (SELECT_SECTION): Use TREE_CODE_CLASS correctly.
3174 1998-02-22 Paul Eggert <eggert@twinsun.com>
3176 * config/sparc/sol2-sld.h (LINKER_DOES_NOT_WORK_WITH_DWARF2):
3177 Define this new symbol.
3178 (DWARF2_DEBUGGING_INFO, DWARF_DEBUGGING_INFO): Do not #undef.
3179 * toplev.c (main): Do not default to DWARF2_DEBUG with -ggdb if
3180 LINKER_DOES_NOT_WORK_WITH_DWARF2 is defined.
3182 Sun Feb 22 20:07:32 1998 Jim Wilson <wilson@cygnus.com>
3184 * iris5.h (DWARF2_UNWIND_INFO): Define to 0.
3185 * iris5gas.h (DWARF2_UNWIND_INFO): Define to 1.
3187 Sun Feb 22 15:29:48 1998 Richard Henderson <rth@cygnus.com>
3189 * objc/Object.m (-error): Call objc_verror with our va_list.
3191 Sun Feb 22 09:45:39 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3193 * collect2.c (scan_prog_file): Completely cover uses of variable
3194 `exports' with macro COLLECT_EXPORT_LIST.
3196 Sat Feb 21 20:36:23 1998 Jeff Law (law@cygnus.com)
3198 * version.c: Bump for snapshot.
3200 Fri Feb 20 16:22:13 1998 Michael Meissner <meissner@cygnus.com>
3202 * sched.c (schedule_block): Remove code to get arguments from hard
3203 regs into pseudos early. Same as Aug 25, 1997 change to
3206 1998-02-20 Jason Merrill <jason@yorick.cygnus.com>
3208 * collect2.c (main): Still handle !do_collecting for non-AIX targets.
3210 1998-02-16 Mark Mitchell <mmitchell@usa.net>
3212 * toplev.c (rest_of_compilation): Do not defer the output of a
3215 Fri Feb 20 10:39:47 1998 Michael Tiemann <michael@impact.tiemann.org>
3217 * ginclude/va-mips.h (va_arg): Remove trailing space after '\'
3218 continuation character (line 243).
3220 Fri Feb 20 12:10:26 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3222 * genrecog.c (main): Remove duplicated sentence in emitted comment.
3224 Thu Feb 19 22:36:53 1998 Andrey Slepuhin <pooh@msu.net>
3225 David Edelsohn <edelsohn@mhpcc.edu>
3227 * collect2.c (XCOFF_SCAN_LIBS): Remove.
3228 (export_flag): New variable.
3229 (export_file): #ifdef COLLECT_EXPORT_LIST.
3230 (import_file, exports, imports, undefined): New variables.
3231 (libs, cmdline_lib_dirs, libpath_lib_dirs, libpath, libexts): Same.
3232 (dump_list, dump_prefix_list, is_in_list): New functions.
3233 (write_export_file): $ifdef COLLECT_EXPORT_LIST.
3234 (write_import_file, resolve_lib_name): New functions.
3235 (use_import_list, ignore_library): Same.
3236 (collect_exit): maybe_unlink import_file and #ifdef.
3238 (main): New variable importf, #ifdef exportf. Move parsing of
3239 -shared before general argument parsing. Resolve AIX library
3240 paths and import libgcc.a symbols. Treat .so shared libraries the
3241 same as objects and .a libraries. Create alias for object_lst and
3242 increment it instead of original pointer. Scan AIX libraries as
3243 objects earlier instead of using scan_libraries. Perform AIX
3244 tlink later to resolve templates instead of forking ld.
3245 (GCC_OK_SYMBOL): Ensure symbol not in undef section.
3246 (GCC_UNDEF_SYMBOL): New macro.
3247 (scan_prog_file): Loop for members of AIX libraries. Handle
3248 export/import of ctors/dtors.
3249 (aix_std_libs): New variable.
3250 (scan_libraries, XCOFF): Delete.
3252 Thu Feb 19 22:36:52 1998 Robert Lipe <robertl@dgii.com>
3254 * collect2.c (full_real_ld_suffix): #ifdef CROSS_COMPILE.
3256 1998-02-19 Mike Stump <mrs@wrs.com>
3258 * Makefile.in: Use $tooldir for sys-include to match toplevel
3261 Thu Feb 19 01:32:37 1998 Jeffrey A Law (law@cygnus.com)
3262 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3264 * emit-rtl.c (gen_lowpart_common): Suppress last change if __complex__.
3266 * emit-rtl.c (hard-reg-set.h): Include.
3267 (get_lowpart_common): Don't make new REG for hard reg in a
3268 class that cannot change size.
3269 * Makefile.in (emit-rtl.o): Depend on hard-reg-set.h.
3271 * combine.c: Revert previous patch.
3273 1998-02-19 Paul Eggert <eggert@twinsun.com>
3275 * config/sparc/sol2-sld.h: New file.
3276 * configure.in (sparc-*-solaris2*): Use it when using the
3279 Thu Feb 19 00:46:59 1998 Jeffrey A Law (law@cygnus.com)
3281 * loop.c (force_movables): Fix typo.
3283 Thu Feb 19 08:26:30 1998 Manfred Hollstein <manfred@s-direktnet.de>
3285 * m88k.h: Change file pattern to match reality.
3287 Wed Feb 18 23:19:52 1998 Jeffrey A Law (law@cygnus.com)
3289 * varasm.c (output_constant_pool): Fix dumb thinko in last
3292 * pa.h (ASM_OUTPUT_FUNCTION_PREFIX): Correctly translate from
3293 a function name to a section name.
3295 1998-02-18 Doug Evans <devans@cygnus.com>
3297 * tree.h (merge_machine_{type,decl}_attributes): Declare.
3298 (split_specs_attrs, strip_attrs): Add prototypes.
3299 * tree.c (merge_machine_{type,decl}_attributes): New functions.
3300 * c-decl.c (duplicate_decls): Call merge_machine_decl_attributes.
3301 Update olddecl's attributes too.
3302 * c-common.c (strip_attrs): New function.
3303 * c-typeck.c (common_type): Call merge_machine_type_attributes.
3304 * varasm.c (make_function_rtl): New target macro REDO_SECTION_INFO_P.
3305 (make_decl_rtl): Likewise.
3307 1998-02-18 Jim Wilson <wilson@cygnus.com>
3309 * c-decl.c (shadow_tag_warned): Call split_specs_attrs.
3311 Wed Feb 18 09:09:50 1998 Jeffrey A Law (law@cygnus.com)
3313 Remove this change until we can fix it correctly.
3314 * collect2.c: Bracket declaration of 'exportf' and
3315 'full_real_ld_suffix'.
3317 Wed Feb 18 08:44:25 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3319 * Makefile.in (STAGESTUFF): Add genrtl.c, genrtl.h and gengenrtl.
3321 Tue Feb 17 23:30:20 1998 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
3323 * c-common.c (c_expand_start_cond, c_expand_end_cond,
3324 c_expand_start_else): Don't warn about non-ambiguous else even if
3327 Tue Feb 17 23:56:50 1998 Robert Lipe <robertl@dgii.com>
3329 * sco5.h (ASM_OUTPUT_DOUBLE, ASM_OUTPUT_FLOAT,
3330 ASM_OUTPUT_LONG_DOUBLE): Delete. Use the ones from i386.h
3333 Tue Feb 17 22:56:14 1998 Richard Henderson <rth@cygnus.com>
3335 * combine.c (simplify_rtx): Obey CLASS_CANNOT_CHANGE_SIZE when
3336 simplifying a subreg of a hard reg.
3337 (expand_compound_operation): Likewise.
3338 (force_to_mode): Likewise.
3340 Tue Feb 17 22:37:22 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3342 * fold-const.c: Include "system.h" to get stdlib.h and stdio.h.
3343 (lshift_double): Add parentheses around + or - inside shift.
3344 (rshift_double): Likewise.
3345 (size_int_wide): Explicitly set type of `bit_p' to `int'.
3347 * Makefile.in (fold-const.o): Depend on system.h.
3349 * Makefile.in (gcc.o): Depend on system.h, in accordance with last
3352 * haifa-sched.c: Include "system.h" to get <stdlib.h> and <stdio.h>.
3353 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
3354 (sched_note_set): Remove unused parameter `b', all callers changed.
3355 (schedule_block): Likewise for `rgn'.
3356 (split_hard_reg_notes): Likewise for `orig_insn'.
3357 (check_live): Likewise for `trg'.
3358 (update_live): Likewise.
3359 (check_live_1): Explcitly declare variable `i' as int.
3360 (update_live_1): Likewise.
3361 (insn_issue_delay): Remove unused variable `link'.
3362 (sched_analyze_2): Add default case in enumeration switch.
3363 (schedule_insns): Remove unused variable `i'.
3365 * Makefile.in ($(SCHED_PREFIX)sched.o): Depend on system.h.
3367 Tue Feb 17 22:31:04 1998 Jeffrey A Law (law@cygnus.com)
3369 * loop.c (rtx_equal_for_loop_p): Add some braces to disambiguate
3370 a dangling else clause.
3372 Tue Feb 17 21:28:12 1998 Gavin Koch <gavin@cygnus.com>
3374 * mips/mips.h (CAN_ELIMINATE): Don't eliminate the frame
3375 pointer for the stack pointer in MIPS16 and 64BIT.
3377 Tue Feb 17 21:17:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
3379 * rtl.h (force_line_numbers, restore_line_number_status): Declare.
3380 * emit-rtl.c (force_line_numbers, restore_line_number_status):
3382 * stmt.c (struct nesting): Replace seenlabel with line_number_status.
3383 (expand_start_case): Adjust to this change.
3384 (check_seenlabel): New function.
3385 (pushcase, pushcase_range, expand_endcase): Use it.
3387 Tue Feb 17 10:14:32 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3389 * i386.md (adddi3): Add =!r,0,0,X alternative.
3391 Mon Feb 16 16:13:43 1998 David Edelsohn <edelsohn@mhpcc.edu>
3393 * rs6000.h (MY_ISCOFF): Add numeric value of U803XTOCMAGIC.
3394 * x-aix31 (INSTALL): Delete.
3396 Mon Feb 16 09:24:32 1998 Gavin Koch <gavin@cygnus.com>
3398 * mips/mips.c (mips_expand_epilogue): Update tsize_rtx if
3399 tsize changes to something other than zero.
3401 Mon Feb 16 09:11:48 1998 Gavin Koch <gavin@cygnus.com>
3403 * ginclude/va-mips.h: Replace casts of pointers to int with
3404 casts of pointers to __PTRDIFF_TYPE__.
3406 Mon Feb 16 08:17:14 1998 John Carr <jfc@mit.edu>
3408 * loop.c (strength_reduce, record_biv, record_giv): Use
3409 HOST_WIDE_INT_PRINT_DEC to print CONST_INT values.
3411 1998-02-16 Jason Merrill <jason@yorick.cygnus.com>
3413 * tree.c (first_rtl_op): New fn.
3414 (unsave_expr_now): Use it.
3415 * print-tree.c (print_node): Likewise.
3416 * tree.c (has_cleanups): New fn.
3417 * fold-const.c (fold, case CLEANUP_POINT_EXPR): Use it. Be more
3418 conservative about pushing the cleanup point down.
3419 * tree.h: Declare them.
3421 Sun Feb 15 23:28:44 1998 Jeffrey A Law (law@cygnus.com)
3423 * toplev.c (flag_schedule_reverse_before_reload): Delete variable.
3424 (flag_schedule_reverse_after_reload): Likewise.
3425 (f_options): Remove reverse scheduling support.
3426 * flags.h (flag_schedule_reverse_before_reload): Delete declaration.
3427 (flag_schedule_reverse_after_reload): Likewise.
3428 * haifa-sched.c (rank_for_schedule): Remove support for reverse
3431 Sun Feb 15 21:33:55 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3433 * gcc.c: Get system includes, prototypes and macros via "system.h"
3434 instead of doing it manually. Change all calls of the ctype
3435 macros to custom versions defined in "system.h".
3437 * system.h: Fix return type of bcmp prototype from `void' to `int'.
3438 Make bcopy, bcmp and bzero prototypes explicitly `extern'.
3439 Add a prototype for getenv.
3441 Sun Feb 15 17:05:41 1998 Jim Wilson <wilson@cygnus.com>
3443 * mips/mips.h (INITIAL_ELIMINATION_OFFSET): Readd Jun 6 change.
3445 Sun Feb 15 15:23:15 1998 John Carr <jfc@mit.edu>
3447 * alias.c: Include <stdlib.h> and <string.h>.
3448 (init_alias_analysis): Pass NULL_RTX instead of 0 to record_set.
3450 Sat Feb 14 11:23:09 PST 1998 Jeff Law (law@cygnus.com)
3452 * version.c: Bump for snapshot.
3454 Sat Feb 14 05:08:21 1998 Richard Earnshaw (rearnsha@arm.com)
3456 * arm.md (movsfcc): Also validate operands[3] when compiling hard
3458 (movdfcc): Only accept fpu_add_operand for operands[3].
3460 * arm/t-semi (STMP_FIXPROTO): Define to nothing.
3461 * arm/t-semiaof (STMP_FIXPROTO): Likewise.
3463 Sat Feb 14 02:02:41 1998 Jeffrey A Law (law@cygnus.com)
3465 * varasm.c (output_constant_pool): Bring back 'done' label inside
3466 an appropriate #ifdef.
3468 * bitmap.c (bitmap_element_allocate): Wrap variable 'i' in an
3470 (bitmap_copy, bitmap_operation): Likewise.
3471 * combine.c (combinable_i3pat): Similarly for 'src'.
3472 * function.c (fixup_var_refs_1): Similarly for 'outerdest'.
3473 (locate_and_pad_parm): Similarly for 'reg_parm_stack_space'.
3474 * regclass.c (copy_cost): Similarly for 'secondary_class'.
3475 * reload.c (make_memloc): Simliarly for 'i'.
3476 (find_reloads_address_1): Similarly for 'link'.
3477 * reload1.c (reload): Similarly for 'previous_frame_pointer_needed'.
3478 (emit_reload_insns): Similarly for 'second_reloadreg'.
3479 * unroll.c (iteration_info): Similarly for 'v'.
3481 * caller-save.c (insert_save_restore): Remove unused variable 'i'.
3482 * calls.c (expand_call): Similarly for 'i'.
3483 (emit_library_call, emit_library_call_value): Similarly for 'mode'.
3484 * fold-const.c (strip_compund_expr): Similarly for 'type'.
3485 * function.c (fixup_var_refs_1): Similarly for 'width'.
3486 (fixup_memory_subreg): Similarly for 'saved'.
3487 (locate_and_pad_parm): Similarly for 'boundary_in_bytes.'
3488 (setjmp_protect): Similarly for 'sub'.
3489 (thread_prologue_and_epilogue_insns): Similarly for 'insn'.
3490 * loop.c (record_giv): Similarly for 'p'.
3491 (combine_givs): Similarly for 'temp_iv'.
3492 (indirect_jump_in_function_p): Similarly for 'is_indirect_jump'.
3493 * recog.c (validate_replace_rtx_1): Similarly for 'width'.
3494 * tree.c (get_set_constructor_bytes): Similarly for 'vals'.
3495 * unroll.c (unroll_loop): Similarly for 'copy'.
3496 (iteration_info): Similarly for 'b'.
3497 * varasm.c (assemble_string): Similarly for 'i'.
3498 * i386.h (LEGITIMIZE_ADDRESS): Similarly for 'orig_x'.
3500 1998-02-13 Martin von Loewis <loewis@informatik.hu-berlin.de>
3502 * c-lang.c (lang_print_xnode): New function.
3503 * objc/objc-act.c (lang_print_xnode): Likewise.
3504 * print-tree.c (print_node): Call it
3506 Fri Feb 13 14:38:34 1998 Jim Wilson <wilson@cygnus.com>
3508 * dwarf2out.c (decl_scope_node): New type.
3509 (decl_scope_table): Change type to use it.
3510 (decl_scope_table_allocated, decl_scope_depth): Change type to int.
3511 (push_decl_scope): Use new type. New locals containing_scope, i.
3512 Add code to handle setting previous field.
3513 (scope_die_for): Change type of local i to int. Add code to use
3515 (dwarf2out_init): Use new type.
3517 1998-02-13 Jason Merrill <jason@yorick.cygnus.com>
3519 * except.c (emit_throw): Lose throw_used.
3521 Fri Feb 13 20:36:05 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3523 * sched.c (update_flow_info, REG_WAS_0): Ignore if setting insn
3525 * haifa-sched.c (update_flow_info, REG_WAS_0): Likewise.
3527 Fri Feb 13 12:18:40 1998 Jeffrey A Law (law@cygnus.com)
3529 * genextract.c (main): Fix typo.
3531 Fri Feb 13 08:41:49 1998 Robert Lipe <robertl@dgii.com>
3533 * c-lang.c (finish_file): Bracket declaration of static_ctors,
3536 * calls.c (expand_call): Bracket declaration of 'rtx_before_call',
3537 'old_stack_arg_under_construction'
3538 (emit_library_call): Bracket declaration of 'upper_bound',
3539 'lower_bound', 'i', 'reg_parm_stack_space'
3540 (emit_library_call_value): Likewise.
3543 * collect2.c: include <unistd.h> when appropriate.
3544 Bracket declaration of 'exportf' and 'full_real_ld_suffix'.
3546 * emit-rtl.c (prev_cc0_setter): Remove unused variable 'link'.
3548 * explow.c (plus_constant_for_output_wide): Remove unused variable
3550 (memory_address): Remove unused variable 'orig_x'.
3552 * genattrtab.c (make_canonical): Remove unreferenced label 'cond:'.
3553 (write_const_num_delay_slots): Remove unused variable 'i'.
3555 * genopinit.c (main): Remove unused variables 'dummy', 'insn_ptr'.
3556 (gen_insn): Remove unused variable 'obstack_ptr'.
3558 * libgcc2.c (__bb_exit_func): Remove unused variables 'ret',
3560 (__bb_exit_trace_func): Remove unused variable 'e'.
3562 * optabs.c (expand_binop): remove unused variables 'lhs', 'rhs',
3564 (expand_unop): Remove unused variable 'funexp'.
3565 (expand_complex_abs): Remove unused variable 'funexp'.
3566 (init_optabs): Bracket declaration of 'j'.
3567 (init_complex_libfuncs): Deleted. Dead static function.
3569 * profile.c (branch_prob): Remove unused variables 'insn', 'dest'.
3571 * reg-stack.c: Fix typo in proto for 'get_asm_operand_lengths'
3572 (reg_to_stack): 'initialized', 'before_function_beg'
3573 explictly type as ints instead of defaulting.
3574 (emit_swap_insn): Remove unused variable 'i2'.
3575 (compare_for_stack_reg): Remove unused variable 'src_note'.
3577 * rtlanal.c (computed_jump_p): Remove unused variable 'computed_jump'.
3579 * sched.c (actual_hazard): Bracket declaration of 'this_cost'.
3581 * stmt.c (add_case_node): Add parens for assignment used as truth.
3582 (all_cases_count): Remove unused variable 'count_high'.
3583 (mark_seen_cases): Remove unused variable 'i'.
3584 (check_for_full_enumeration_handling): Remove unused variable 't'.
3585 Bracket declaration of 'all_values', 'l'.
3587 * tlink.c: Include <stdlib.h>, <unistd.h>, <string.h>/<strings.h>.
3589 * varasm.c (assemble_string): Remove unused variable 'i'.
3590 (immed_double_const): Remove unused variable 'in_current_obstack'.
3591 (immed_real_const_1): Likewise.
3592 (output_constant_pool): Remove unreferenced label 'done'.
3593 (output_constant): Remove unused variable 'x'.
3595 * i386/i386.h (ENCODE_SECTION_INFO): TREE_PUBLIC is an int, not
3598 * i386/sco5.h (ASM_OUTPUT_ASCII): Add parens for assignment used
3601 Fri Feb 13 10:21:41 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3603 * combine.c (can_combine_p): Handle USEs in PARALLELs.
3605 Fri Feb 13 01:34:14 1998 H.J. Lu (hjl@gnu.org)
3607 * config/linux.h (LIB_SPEC): Add -lc for -shared if
3608 USE_GNULIBC_1 is not defined.
3609 * config/sparc/linux.h; Ditto.
3611 * config/sparc/linux64.h (LIB_SPEC): Add -lc for -shared.
3613 * config/alpha/linux-elf.h (LIB_SPEC): New. Defined if
3614 USE_GNULIBC_1 is not defined.
3616 Fri Feb 13 01:29:29 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
3618 * rs6000/sysv4.h (ENDFILE_SPEC): add missing %(endfile_linux)
3621 Fri Feb 13 01:23:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3623 * system.h: New file to get common systems includes and various
3624 definitions and declarations based on autoconf macros.
3626 Fri Feb 13 00:46:19 1998 Jeffrey A Law (law@cygnus.com)
3628 * cccp.c (new_include_prefix): Correctly handle -I./.
3630 Thu Feb 12 20:16:35 1998 Michael Meissner <meissner@cygnus.com>
3632 * rs6000.md: Replace gen_rtx (CONST_INT,...) with GEN_INT.
3634 Thu Feb 12 16:45:17 1998 Robert Lipe <robertl@dgii.com>
3636 * expr.c (expand_assignment): Correct typo exposed by -Wall.
3637 offset should have been a truth value, not an assignment.
3639 Thu Feb 12 15:26:50 1998 Jeffrey A Law (law@cygnus.com)
3641 * cse.c (delete_dead_from_cse): If a libcall produces a constant
3642 result and that result can be substituted into SET_SRC of the
3643 insn with the REG_RETVAL note, then perform the substitution
3644 and delete the libcall.
3646 Thu Feb 12 14:04:09 1998 Gavin Koch <gavin@cygnus.com>
3648 * mips.md (trucndihi2,truncdiqi2): Change these to support
3651 Thu Feb 12 11:34:55 1998 Gavin Koch <gavin@cygnus.com>
3653 * mips/mips.c (movdi_operand): Direct referances to symbols
3654 that arn't mips16 consts in mips16 mode arn't valid operands.
3656 * mips/mips.c (mips_move_2words): Add gprel handling.
3658 Thu Feb 12 11:18:37 1998 Gavin Koch <gavin@cygnus.com>
3660 * mips.md (extendsidi2): Allow extension to/from a non-mips16
3663 Thu Feb 12 00:04:16 1998 Marc Lehmann <pcg@goof.com>
3665 * i386.c: Conditionally include <stdlib.h>, <string.h>, and
3668 Wed Feb 11 11:43:34 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3670 * Makefile.in (WARN_CFLAGS): New variable.
3671 (bootstrap, bootstrap2, bootstrap3, bootstrap4): Use it.
3673 1998-02-11 Mark Mitchell <mmitchell@usa.net>
3675 * config/i386/i386.c (reg_mentioned_in_mem): Don't abort when
3676 falling through default case in switch.
3677 (i386_aligned_p): Likewise.
3679 Wed Feb 11 12:59:56 1998 Lee Iverson <leei@Canada.AI.SRI.COM>
3681 * mips/mips.h (mips_abi_string): Correct typo in comment.
3683 Wed Feb 11 08:29:56 1998 Gavin Koch <gavin@cygnus.com>
3685 * mips/mips.md (movdi): These PLUS's need to be Pmode.
3687 Wed Feb 11 01:47:54 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3689 * Makefile.in (dwarf2out.o, emit-rtl.o, jump.o, cse.o, unroll.o,
3690 reorg.o, regmove.o): Depend on insn-codes.h, it gets included
3691 indirectly via expr.h.
3693 Wed Feb 11 01:44:13 1998 Richard Henderson <rth@cygnus.com>
3695 * stor-layout.c (layout_type): Do upper - lower in the native type,
3696 so as to properly handle negative indices.
3698 Wed Feb 11 01:35:55 1998 Robert Lipe <robertl@dgii.com>
3700 * except.c (start_dynamic_cleanup): Remove unused variable 'dhc'.
3701 (expand_eh_region_start_tree): Remove unused variable 'note'.
3702 (exception_optimize): Remove unused variable 'regions'.
3703 (expand_builtin_eh_stub): Remove unused variable 'temp'.
3704 (copy_eh_entry): Deleted. Dead function.
3706 * expr.c (move_block_to_reg) Bracket declaration of 'pat' and
3707 'last' with same #if HAVE_load_multiple as use of it.
3708 (move_block_from_reg): Likewise.
3709 (emit_move_insn_1): Remove unused variable 'insns'.
3710 (store_constructor): Bracket declaration of startb, endb with
3711 #if TARGET_MEMFUNCTIONS. Remove unused variables 'set_word_size'
3712 'target', and 'xtarget'.
3713 (expand_builtin_setjmp): Remove unused variables 'op0',
3714 'next_arg_reg', 'old_inhibit_defer_pop'.
3715 (expand_builtin): Remove unused variable 'offset'.
3716 (do_store_flag): Remove unused variables 'pattern', 'jump_pat'.
3717 (emit_queue): Add parens for assignment used as conditional.
3718 (expand_expr): case TARGET_EXPR: Remove unused variable 'temp'.
3720 Wed Feb 11 01:30:49 1998 Marc Lehmann <pcg@goof.com>
3722 * i386.c: Added include for recog.h.
3723 (override_options): Removed unused variable p. Initialized regno to
3725 (order_regs_for_local_alloc): Initialized regno to avoid warning.
3726 (legitimize_address): Likewise for 'other'.
3727 (i386_aligned_reg_p): Added default case with abort ().
3728 (print_operand): Likewise.
3729 (reg_mentioned_in_mem): Likewise.
3730 (ix86_expand_binary_operator): Removed unused variables i & insn.
3731 (ix86_expand_unary_operator): Removed unused variable insn.
3732 (output_fp_cc0_set): Removed unused variable unordered_label.
3734 Wed Feb 11 01:23:03 1998 John F. Carr <jfc@mit.edu>
3736 * i386.c, i386.h, i386.md: Change gen_rtx (X, ...) to gen_rtx_X (...).
3737 Use GEN_INT instead of gen_rtx (CONST_INT). Make printf arguments
3738 and format string match.
3740 Wed Feb 11 01:17:39 1998 Jeffrey A Law (law@cygnus.com)
3742 * flow.c (life_analysis): Do not conside the stack pointer live at
3743 the end of a function if the fucntio ncalls alloca.
3744 (mark_used_regs): Similarly.
3746 1998-02-10 John F Carr <jfc@mit.edu>
3748 * config/sparc/sparc.md (movdi_v8plus): Output stx on alternative
3749 1, fzero on alternative 8.
3751 Tue Feb 10 09:02:19 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3753 * rs6000.c (setup_incoming_varargs): Always set rs6000_sysv_varargs_p.
3755 Tue Feb 10 03:35:43 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3757 * reload.c (find_reloads_toplev): Handle arbitrary non-paradoxical
3758 SUBREGs of CONST_INTs.
3760 Mon Feb 9 17:52:36 1998 John Carr <jfc@mit.edu>
3762 * mips.c (print_operand, function_prologue): Make printf format
3763 match argument type.
3765 Mon Feb 9 02:37:25 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3767 * alpha.c (alpha_return_addr): Remove unused variable `first'.
3768 (alpha_ra_ever_killed): Remove unused variables `ra' and `i'.
3769 (output_epilog): Remove unused variable `frame_size_from_reg_save'.
3771 Sun Feb 8 14:56:03 1998 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3773 * loop.c (strength_reduce): When placing increment for auto-inc
3774 case, do comparison in loop order.
3776 Sun Feb 8 13:21:38 1998 John Carr <jfc@mit.edu>
3778 * bitmap.c (bitmap_debug_file): HOST_PTR_PRINTF converts a pointer,
3779 not a HOST_WIDE_INT.
3781 * calls.c (expand_call): Change test of expand_inline_function
3782 return value to stop compiler warning.
3784 * genattrtab.c (RTL_HASH): Cast pointer to long, not HOST_WIDE_INT.
3786 Sun Feb 8 12:04:24 1998 Jim Wilson (wilson@cygnus.com)
3787 Jeff Law (law@cygnus.com)
3789 * regmove.c: Fix various minor formatting problems.
3790 (optimize_reg_copy_1): Stop search at CALL_INSNs if flag_exceptions
3791 is true. Make end of basic block tests consistent through regmove.c.
3792 (optimize_reg_copy_2, optimize_reg_copy_3): Likewise.
3793 (fixup_match_2, fixup_match_1, regmove_optimize): Likewise.
3795 Sun Feb 8 01:49:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3797 * gansidecl.h: Check for a conflicting macro definition before
3798 attempting to prototype bcopy, bcmp or bzero.
3800 Sun Feb 8 00:09:59 1998 Jeffrey A Law (law@cygnus.com)
3802 * expr.c (clear_pending_stack_adjust): Handle case where a function
3803 calls alloca, but the user has specified -fomit-fframe-pointer.
3805 * function.c (assign_parms): Fix typo in last change.
3807 Sat Feb 7 23:54:29 1998 Robert Lipe <robertl@dgii.com>
3809 * gcc.c: Include <strings.h>/<string.h>, <stdlib.h>, <unistd.h>,
3811 (free_path_suffix): Remove unreferenced static function.
3812 (process_command): Remove unused variable temp.
3813 (default_arg): Remove unused variable i.
3814 (do_spec_1): Add parens for assignment used as truth value.
3816 (validate_all_switches): Likewise.
3817 (main): Remove unused variables i, first_time>
3819 * c-common.c: Include <stdlib.h> and <string.h>/<strings.h>.
3821 * calls.c (expand_call): Remove unused variables funtree,
3822 n_regs, and tmpmode.
3824 * dbxout.c, except.c: Include <string.h>/<strings.h>.
3826 * explow.c: (plus_constant_for_output_wide) Removed unused
3827 variable all_constant.
3829 * c-decl.c, genattr.c, genattrtab.c, getconfig.c, genemit.c
3830 genextract.c, genflags.c, genopinit.c genoutput.c, genpeep.c,
3831 genrecog.c, global.c, integrate.c , stupid.c : Include
3834 * genextract.c: (walk_rtx) Remove unused variable link.
3836 * genrecog.c: (concat) Remove unreferenced static function.
3838 * prefix.c: Include <string.h>/<strings.h>, <stdlib.h>
3840 * stmt.c: Include <stdlib.h>.
3841 (expand_asm_operands): Remove unused variable val1.
3842 (expand_return): Remove unused variable block.
3843 (pushcase): Remove unused variables l and n.
3844 (pushcaserange): Likewise.
3846 * unroll.c (unroll_loop): Remove unused variable temp.
3848 Sat Feb 7 23:46:09 1998 Greg McGary <gkm@gnu.org>
3850 * c-decl.c (pushdecl): Set DECL_ORIGINAL_TYPE once only.
3852 Sat Feb 7 15:11:28 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3854 * aclocal.m4 (GCC_FUNC_PRINTF_PTR): New macro to test the printf
3855 functions for whether they support the %p format specifier.
3856 * acconfig.h (HOST_PTR_PRINTF): Insert stub for autoconf.
3857 * configure.in (GCC_FUNC_PRINTF_PTR): Use it.
3858 * configure, config.in: Rebuild.
3860 Fri Feb 6 14:20:16 1998 Jim Wilson <wilson@cygnus.com>
3862 * function.c (assign_parms): New variable named_arg, with value
3863 depending on STRICT_ARGUMENT_NAMING. Use instead of ! last_named.
3865 Fri Feb 6 14:34:28 1998 Gavin Koch <gavin@cygnus.com>
3867 * mips/t-r3900: New - same as t-ecoff but eliminate
3868 multilibs: mips1 and mips3.
3869 * configure.in (tx39*): Use new mips/t-r3900.
3870 * configure: Rebuild.
3871 * mips/r3900.h (MULTILIB_DEFAULTS): Eliminate mips1.
3873 1998-02-06 Jason Merrill <jason@yorick.cygnus.com>
3875 * dwarf2out.c: Add old_args_size.
3876 (dwarf2out_args_size): Use it.
3877 (dwarf2out_begin_prologue): Initialize it.
3878 (dwarf2out_stack_adjust): If !asynchronous_exceptions, save up
3879 pushed args until we see a call.
3880 * final.c (final_scan_insn): Hand CALL_INSNs off to the dwarf2 code
3881 before outputting them.
3883 1998-02-06 Kriang Lerdsuwanakij <lerdsuwa@scf.usc.edu>
3885 * cplus-dem.c (demangle_template_template_parm): New function.
3886 (demangle_template): Handle template template parameters.
3888 1998-02-02 Mark Mitchell <mmitchell@usa.net>
3890 * calls.c (expand_call): Don't confuse member functions named
3891 realloc, setjmp, and so forth with the standard library
3892 functions of the same names.
3894 Thu Feb 5 21:59:49 1998 Jeffrey A Law (law@cygnus.com)
3896 * stmt.c (expand_asm_operands): Correctly identify asm statements
3899 Thu Feb 5 21:56:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
3901 * c-common.c (decl_attributes): Flag unrecognized attribute
3902 functions as warnings instead of as errors.
3904 1998-02-05 Marc Lehmann <pcg@goof.com>
3906 * integrate.c (INTEGRATE_THRESHOLD): Inline only small functions
3907 when -Os is specified.
3908 * toplev.c (main): Don't disable flag_inline_functions anymore when
3911 Fri Feb 6 00:27:36 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3913 * regmove.c: Update.
3914 * flags.h (flag_regmove): Declare.
3915 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Don't declare.
3916 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2):
3917 Moved into regmove; changed caller.
3918 * toplev.c (rest_of_compilation): Call regmove_optimize also for
3919 expensive_optimizations.
3921 Thu Feb 5 13:38:42 PST 1998 Jeff Law (law@cygnus.com)
3923 * version.c: Bump for snapshot.
3925 Thu Feb 5 01:45:19 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3926 Undo this change (the problem was actually in reload):
3927 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
3929 * sh.md (movqi_i+1): New peephole.
3931 Tue Feb 3 01:11:12 1998 Jeffrey A Law (law@cygnus.com)
3933 * jump.c (jump_optimize): Lose calls to modified_in_p they are
3934 not needed anymore due to changes elsewhere in jump.c.
3936 * jump.c (jump_optimize): Fix first arg to modified_in_p in
3939 Mon Feb 2 19:18:14 1998 Richard Henderson <rth@cygnus.com>
3941 * expr.c (expand_builtin_setjmp): Accept two new arguments for
3942 the labels to branch to on first and subsequent executions. Don't
3943 play with __dummy. Rename `setjmp' insn to `builtin_setjmp_setup',
3944 and provide it with the jmp_buf. Use only one of
3945 `builtin_setjmp_receiver' or `nonlocal_goto_receiver',
3946 and provide the former with the target label.
3947 (expand_builtin) [BUILTIN_SETJMP]: Generate a label for use by setjmp.
3948 (expand_builtin) [BUILTIN_LONGJMP]: Split out to ...
3949 (expand_builtin_longjmp): ... here. Recognize a `builtin_longjmp'
3950 insn to replace all of the normal nonlocal_goto code. Don't play
3951 with __dummy. Correct arguments to nonlocal_goto.
3952 * expr.h (expand_builtin_setjmp): Update prototype.
3953 * except.c (start_dynamic_handler): When using builtin_setjmp,
3954 generate more accurate flow information.
3956 * alpha.md (nonlocal_goto_receiver_osf): Delete.
3957 (nonlocal_goto_receiver_vms): Rename to nonlocal_goto_receiver.
3958 (builtin_longjmp, builtin_setjmp_receiver): New.
3959 * sparc.md (update_return): Disambiguate unspec number.
3960 (nonlocal_goto): Rearrange arguments to match caller in except.c.
3961 (builtin_setjmp_setup): Rename from setjmp. Match and ignore the
3963 * mips.md (nonlocal_goto_receiver, builtin_setjmp_receiver): Remove.
3964 (builtin_setjmp_setup*, builtin_longjmp): New.
3966 Mon Feb 2 16:43:10 1998 John Carr <jfc@mit.edu>
3968 * mips.md: Change gen_rtx (CONST_INT) to GEN_INT.
3970 Mon Feb 2 13:06:47 1998 Jim Wilson <wilson@cygnus.com>
3972 * vmsconfig.com: Remove bytecode references.
3974 1998-01-30 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
3976 * dwarf2out.c (dwarf2out_frame_init): Undo last change, so that
3977 -fno-sjlj-exceptions works for a target that defines
3978 DWARF2_UNWIND_INFO as zero.
3980 * regmove.c (fixup_match_1): Undo last change which removed some
3981 "useless" code, and add a comment explaining this.
3983 Mon Feb 2 10:47:14 1998 Gavin Koch (gavin@cygnus.com)
3985 * mips.c (mips_expand_prologue): Change uses of TARGET_64BIT
3988 Mon Feb 2 10:38:41 1998 Klaus Kaempf <kkaempf@progis.de>
3990 * makefile.vms: Remove bytecode references.
3991 Create genrtl files.
3993 Mon Feb 2 02:08:04 1998 Michael P. Hayes <michaelh@ongaonga.chch.cri.nz>
3995 * jump.c (jump_optimize): Allow conditional loading of floating point
3996 constants and constants from memory. Reinstalled modified_in_p tests.
3998 Mon Feb 2 01:38:39 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4000 * loop.c (get_condition): Handle sign-extended constants.
4002 Mon Feb 2 01:22:46 1998 Hans-Peter Nilsson <hp@axis.se>
4004 * expr.c (emit_push_insn): Add code to use movstrti if present.
4006 * expr.c (emit_push_insn): Use same max-move-amount for movstrhi
4007 and movstrqi as in emit_block_move ().
4009 Mon Feb 2 00:09:52 1998 Toon Moene <toon@moene.indiv.nluug.nl>
4011 * config/m68k/x-next: Remove /NextDeveloper/Headers from
4012 the directories to fixinclude - /usr/include is a link
4013 to it and hence its contents are fixed by default.
4015 Sun Feb 1 14:15:33 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4017 * rs6000/linux.h: define JUMP_TABLES_IN_TEXT_SECTION
4019 Sun Feb 1 13:01:15 1998 Klaus Kaempf <kkaempf@progis.de>
4021 * cccp.c (main): Predefine __VMS_VER on VMS.
4023 Sun Feb 1 12:39:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4025 * expr.c (get_inner_reference): Use sbitsizetype for type sizes.
4026 * fold-const.c (size_int): Replace with
4028 (make_bit_field_ref): Use bitsize_int for bit position.
4029 * stor-layout.c (sizetype): Delete.
4030 (sizetype_tab, sbitsizetype, ubitsizetype): Declare.
4031 (layout_record, layout_union, layout_type):
4032 Use bitsize_int for bit size.
4033 (set_sizetype): New function.
4034 (make_signed_type, make_unsigned_type): Use it.
4035 * c-decl.c (init_decl_processing): Likewise.
4036 * tree.h (size_int): Don't delcare, #define.
4037 (size_int_wide, sizetype_tab, sbitsize, ubitsize): Declare.
4038 (set_sizetype): Declare.
4039 (bitsize_int, size_int_2, BITS_PER_UNIT_LOG, sizetype, bitsizetype):
4041 * c-typeck.c (c_sizeof, c_sizeof_nowarn, c_size_in_bytes):
4042 Convert result to sizetype.
4043 (really_start_incremental_init, push_init_level):
4044 Set type of constructor_bit_index to sbitsizetype.
4045 (push_init_level): Use unsigned arithmetic to determine padding.
4046 (output_init_element): Likewise.
4048 Sun Feb 1 03:32:07 1998 Jeffrey A Law (law@cygnus.com)
4050 * combine.c (simplify_shift_const): Fix typo in last change.
4052 Sun Feb 1 02:50:46 1998 John Carr <jfc@mit.edu>
4054 * combine.c (simplify_shift_const): (lshiftrt (truncate (lshiftrt)))
4055 is (truncate (lshiftrt)).
4057 Sun Feb 1 01:06:53 1998 Richard Henderson <rth@cygnus.com>
4059 * alpha.c (alpha_expand_unaligned_load): Use expand_binop properly.
4060 Make sure result winds up in TGT.
4061 (alpha_expand_unaligned_store): Use expand_binop properly. Allow
4062 src to be other than DImode.
4063 (alpha_expand_unaligned_load_words): Tidy. Take an offset argument.
4064 (alpha_expand_unaligned_store_words): Likewise.
4065 (alpha_expand_block_move): Use REGNO_POINTER_ALIGN. Restructure so
4066 that source and destination are separately optimized for alignment.
4067 (alpha_expand_block_clear): Use REGNO_POINTER_ALIGN.
4069 Sun Feb 1 01:55:09 1998 Jeffrey A Law (law@cygnus.com)
4071 * mips.md (adddi3_internal_2): Be consistent with adddi3 expander
4072 with handling of -32768.
4074 Sun Feb 1 01:48:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4076 * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
4077 shell variable argument instead of only hard coded functions.
4078 (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
4080 * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
4081 call. Collapse multiple calls to GCC_NEED_DECLARATION into one
4082 call to GCC_NEED_DECLARATIONS (new macro.) Check if we need
4083 declarations for bcopy, bcmp and bzero.
4085 * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
4087 * gansidecl.h: If we have bcopy but don't declare it, then do so.
4088 Likewise for bcmp and bzero. Only define macros for bcopy, bcmp,
4089 bzero, index and rindex if they aren't already present.
4091 Sat Jan 31 11:26:58 1998 Jeffrey A Law (law@cygnus.com)
4093 * toplev.c (close_dump_file): Wrap function prototype for
4094 argument "func" in PROTO.
4095 (dump_rtl): Likewise.
4097 Fri Jan 30 22:30:39 1998 John Carr <jfc@mit.edu>
4099 * sparc.c (sparc_override_options): Make v8plus and ultrasparc set
4101 (output_function_epilogue): Omit epilogue if nothing drops through.
4102 (output_move_double): Supress int ldd usage on ultrasparc and v9.
4103 (registers_ok_for_ldd_peep): Likewise.
4104 (print_operand): Supress b,a on ultrasparc. Let Y accept a constant.
4105 (ultrasparc_adjust_cost): New function.
4106 (sparc_issue_rate): New function.
4107 * sparc.h (MASK_VIS, TARGET_VIS): New
4108 (MASK_V8PLUS, TARGET_V8PLUS): New.
4109 (TARGET_HARD_MUL32, TARGET_HARD_MUL): New.
4110 (TARGET_SWITCHES): Add vis and v8plus.
4111 (REG_CLASS_FROM_LETTER): Accept d and b for VIS.
4112 (REGISTER_MOVE_COST): FP<->INT move cost 12 for ultrasparc.
4113 (RTX_COSTS): Use TARGET_HARD_MUL
4114 (ADJUST_COST): Call ultrasparc_adjust_cost.
4116 * sparc.md (attr type): Add sload, fpmove, fpcmove. Adjust users
4117 of load & fp appropritely.
4118 (supersparc function units): Adjust for Haifa.
4119 (ultrasparc function units): Likewise.
4120 (get_pc_via_rdpc): All v9, not just arch64.
4121 (movdi_v8plus, movdi_v8plus+1): New.
4122 (adddi3_sp32+1): New.
4123 (subdi3_sp32+1): New.
4124 (movsi_insn, movsf_const_insn, movdf_const_insn): Know VIS.
4125 (addsi3, subsi3, anddi3_sp32, andsi3, and_not_di_sp32): Likewise.
4126 (and_not_si, iordi3_sp32, iorsi3, or_not_di_sp32, or_not_si): Likewise.
4127 (xorsi3_sp32, xorsi3, xor_not_di_sp32, xor_not_si): Likewise.
4128 (one_cmpldi2_sp32, one_cmplsi2): Likewise.
4129 (ldd peepholes): Suppress for v9.
4130 (return_adddi): Kill redundant test. Arg1 may be arith_operand.
4131 (return_subsi): Revmove.
4133 Fri Jan 30 18:30:03 1998 John F Carr <jfc@mit.edu>
4135 * mips.c (save_restore_insns): Set RTX_UNCHANGING_P in register
4136 save/restore MEM rtl.
4138 Fri Jan 30 09:08:16 1998 Jeffrey A Law (law@cygnus.com)
4140 * configure.in: Check for declaration of abort.
4141 * acconfig.h: Corresponding changes.
4142 * toplev.c: Use NEED_DECLARATION_ABORT to determine if abort should
4145 Thu Jan 29 20:26:12 1998 Jeffrey A Law (law@cygnus.com)
4147 * genattrtab.c (optimize): Define in case PRESERVE_DEATH_INFO_REGNO_P
4150 Thu Jan 29 09:27:56 PST 1998 Jeff Law (law@cygnus.com)
4152 * version.c: Bump for snapshot.
4154 Thu Jan 29 10:12:27 1998 Jeffrey A Law (law@cygnus.com)
4156 * configure.in: Check for atoq and atoll.
4157 * rtl.c (read_rtx): Use HAVE_ATOLL and HAVE_ATOQ to select the
4158 proper routine for converting ascii into long long values.
4160 Thu Jan 29 01:28:14 1998 Klaus Kaempf <kkaempf@progis.de>
4162 * cccp.c (SYS$SEARCH, SYS$PARSE): Write as upper-case.
4164 * vmsconfig.com: Remove bytecode references.
4166 * alpha/vms.h (PREFIX): Define.
4168 * alpha/vms.h (ASM_OUTPUT_ALIGNED_COMMON): Remove.
4170 * am-alpha.h: Don't include alloca for OPEN_VMS.
4172 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Define.
4174 * alpha/xm-vms.h (INCLUDE_DEFAULTS): Define.
4175 (GCC_INCLUDE_DIR): Define
4177 * make-cc.com, make-cccp.com, make-cc1.com: Removed.
4178 * makefile.vms: New file.
4180 * alpha/vms.h (CPP_PREDEFINES): Remove -Dalpha.
4182 * alpha.c (output_prolog): Output '.name' directive
4183 for minimal traceback information.
4185 * alpha.c (output_prolog): Don't prepend entry point symbols
4186 with '$' on OPEN_VMS.
4188 Thu Jan 29 00:25:35 1998 David S. Miller <davem@tanya.rutgers.edu>
4189 Jeffrey A Law (law@cygnus.com)
4191 * rtl.c (read_rtx): Use atol/atoq based upon disposition of
4194 * genattrtab.c (write_test_expr): Use HOST_WIDE_INT_PRINT_DEC
4196 * genemit.c (gen_exp): Likewise.
4197 * genpeep.c (match_rtx): Likewise.
4198 * genrecog.c (write_tree_1): Likewise.
4200 * c-lex.c (yyprint): Use proper format string based upon
4201 disposition of HOST_BITS_PER_WIDE_INT.
4202 (yylex): Put casts in right place for args to build_int_2.
4204 Thu Jan 29 00:24:29 1998 Jeffrey A Law (law@cygnus.com)
4206 * combine.c: Fix typos in Jan27 changes.
4208 Thu Jan 29 00:07:49 1998 Ollivier Robert <roberto@keltia.freenix.fr>
4210 * i386/freebsd.h (LIB_SPEC): Correctly handle -shared, -p and friends.
4211 (LINK_SPEC): Likewise.
4212 (STARTFILE_SPEC): Likewise.
4214 1998-01-28 Mike Stump <mrs@wrs.com>
4216 * rtlanal.c (dead_or_set_regno_p): Ignore REG_DEAD notes after
4218 * genattrtab.c (reload_completed): Define.
4220 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Remove obsolete
4223 Wed Jan 28 20:11:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4225 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
4226 SUBREG_REG if the word count is unchanged, also in the input reload
4227 case. Disable non-applicable sanity checks.
4229 Wed Jan 28 20:08:26 1998 Jeffrey A Law (law@cygnus.com)
4231 * config/t-svr4 (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
4233 Wed Jan 28 20:04:43 1998 Ian Lance Taylor <ian@cygnus.com>
4235 * i386/t-cygwin32 (LIMITS_H_TEST, LIBGCC2_INCLUDES): Define.
4237 Wed Jan 28 11:45:27 1998 Per Bothner <bothner@cygnus.com>
4239 * dbxout.c (dbxout_type): For a RECORD_TYPE, check that TYPE_BINFO
4240 is a TREE_VEC before trying to use it for baseclasses.
4241 (Chill uses the same field for a different purpose.)
4243 * toplev.c (strip_off_ending): Generalize to endings up to 5 chars.
4245 Tue Jan 27 23:15:55 1998 Lassi A. Tuura <lat@iki.fi>
4247 * config.sub: More accurate determination of HP processor types.
4249 Tue Jan 27 23:11:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4251 * c-lex.c: Include <stdlib.h> and <string.h>/<strings.h>. Add
4252 prototype for `handle_sysv_pragma', and make it static. Add
4253 parentheses around assignment used as truth value.
4255 * combine.c (combine_instructions): Protect variable `prev' with
4257 (can_combine_p): Protect variable `link' with AUTO_INC_DEC.
4258 (extract_left_shift): Add parentheses around operand of &.
4259 (merge_outer_ops): Avoid an empty body in an else-statement.
4260 (gen_rtx_combine): Remove unused variable `i'.
4262 * sparc/gmon-sol2.c: Include <fcntl.h>. Make return type of
4263 function monstartup `void'. Likewise for internal_mcount. Add
4264 `static void' prototype for moncontrol. Reconcile sprintf format
4267 * sparc/sparc.c: Include <stdlib.h> and <string.h>/<strings.h>.
4268 Make return type of function_arg_slotno explicitly `int'.
4269 (reg_unused_after): Add parentheses around assignment used as
4271 (save_regs): Add explicit braces to avoid ambiguous `else'.
4272 (function_arg_slotno): Add parentheses around && within ||.
4273 (function_arg_pass_by_reference): Likewise.
4274 (sparc_flat_output_function_prologue): Reconcile fprintf format
4277 * svr4.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
4278 assignment used as truth value.
4280 * cplus-dem.c: Include <stdlib.h>.
4281 (demangle_signature): Avoid an empty body in an else-statement.
4282 (do_type): Remove unused variable `lvl'.
4284 * cppexp.c: Don't have <stdlib.h> depend on MULTIBYTE_CHARS.
4285 Include <string.h>/<strings.h>.
4286 (cpp_lex): Remove unused variable `namelen'.
4287 (cpp_lex): Explicitly declare `num_chars' as an int.
4289 * cpplib.c: Avoid duplicate inclusion of <stdlib.h>, include
4290 <unistd.h> instead. Explicitly declare is_system_include
4292 (make_assertion): Remove unused variable `kt'.
4293 (cpp_expand_to_buffer): Hide variable `obuf'.
4294 (output_line_command): Remove unused variables, `line_end',
4295 `line_cmd_buf' and `len'.
4296 (macarg): Remove unused variable `arg_start'.
4297 (special_symbol): Remove unused variable `i'. Add parentheses
4298 around assignment used as truth value.
4299 (do_include): Remove unused variables `pcfname' and `retried',
4300 hide `pcf' and `pcfbuflimit'.
4301 (do_line): Remove unused variable `i'.
4302 (finclude): Hide variable `missing_newline'.
4303 (cpp_handle_options): Remove unused variable `j'.
4304 (read_token_list): Remove unused variable `eofp'.
4305 (cpp_error_with_line): Remove unused variable `i'.
4306 (cpp_warning_with_line): Likewise.
4307 (cpp_pedwarn_with_line): Explicitly declare `column' as int.
4308 (cpp_error_from_errno): Remove unused variable `i'.
4310 * cse.c (invalidate): Add parentheses around assignment used as
4312 (find_best_addr): Move declaration of variable `our_cost' inside
4313 the conditional macro where its used.
4314 (fold_rtx): Avoid an empty body in an if-statement.
4315 (cse_insn): Wrap variables `this_insn_cc0_mode' and
4316 `this_insn_cc0' in macro HAVE_cc0.
4318 * dwarf2out.c: Include <stdlib.h> and <string.h>/<string.h>.
4319 (ASM_OUTPUT_DWARF_DATA8): Reconcile format vs. args in fprintf's.
4320 (output_uleb128): Likewise.
4321 (output_sleb128): Likewise.
4322 (output_cfi): Likewise.
4323 (output_call_frame_info): Remove unused variables `j', `fde_size'
4325 (comp_unit_has_inlines): Hide declaration as per rest of file.
4326 (size_of_line_prolog): Correct typo in prototype.
4327 (add_arange): Likewise.
4328 (output_aranges): Likewise.
4329 (add_name_and_src_coords_attributes): Likewise.
4330 (gen_array_type_die): Likewise.
4331 (gen_inlined_subroutine_die): Likewise.
4332 (equate_decl_number_to_die): Remove unused variable `i'.
4333 (print_die): Reconcile format vs. args in fprintf's.
4334 (print_dwarf_line_table): Likewise.
4335 (output_die): Likewise.
4336 (output_line_info): Likewise.
4337 (add_subscript_info): Avoid an empty body in an else-statement.
4338 (gen_subprogram_die): Remove unused variable `fp_loc'.
4340 * dwarfout.c: Explicitly declare `next_pubname_number' as int.
4341 Protect `ordering_attribute' prototype with USE_ORDERING_ATTRIBUTE
4342 macro. Protect `src_coords_attribute' prototype with
4343 DWARF_DECL_COORDINATES macro. Hide `output_entry_point_die'
4344 prototype as in the rest of the file. Likewise for
4345 `output_pointer_type_die' and `output_reference_type_die'. Remove
4346 prototype for `type_of_for_scope'.
4347 (output_unsigned_leb128): Reconcile format vs. args in fprintf.
4348 (type_attribute): Add explicit braces to avoid ambiguous `else'.
4350 * final.c: Include <stdlib.h> and <string.h>/<strings.h>.
4351 (shorten_branches): Protect declaration of tmp_length with
4352 SHORTEN_WITH_ADJUST_INSN_LENGTH and ADJUST_INSN_LENGTH macros.
4353 (profile_function): Protect declaration of `sval' and `cxt'
4354 variables with appropriate macros.
4355 (final_scan_insn): Likewise for `note' variable. Add explicit
4356 braces to avoid empty body in an if-statement.
4357 (output_asm_insn): Move variable `i' inside macro conditional
4358 where it is used. Add parentheses around assignment used as truth
4360 (asm_fprintf) Likewise, likewise.
4362 * fix-header.c (main): Remove unused variable `done'. Protect
4363 declaration of `i' with FIXPROTO_IGNORE_LIST.
4365 * pexecute.c: Include <unistd.h>. Prototype `my_strerror'.
4367 * print-rtl.c (print_inline_rtx): Explicitly declare the parameter
4370 * profile.c: Include <string.h>/<strings.h>.
4371 (instrument_arcs): Remove unused variables `note', `inverted',
4372 `zero' and `neg_one'.
4373 (branch_prob): Avoid empty body in an if-statement.
4375 * regclass.c: Include <stdlib.h>.
4376 (reg_alternate_class): Explicitly declare parameter `regno'.
4378 * regmove.c (regmove_optimize): Remove unused variable `p'. Add
4379 parentheses around assignment used as truth value.
4380 (find_matches): Remove unused variables `output_operand' and
4382 (fixup_match_1): Remove statement with no effect: "if (0) ;".
4384 * scan.c (sstring_append): Explicitly declare `count' as int.
4385 (scan_string): Explicitly declare parameter `init' as int.
4387 * sched.c: Include <stdlib.h>.
4388 (BLOCKAGE_RANGE): Add parentheses around arithmetic in operand of |.
4389 (rank_for_schedule): Add parentheses around assignment used as
4391 (schedule_block): Likewise.
4392 (regno_use_in): Likewise.
4393 (schedule_insns): Remove unused variable `i'.
4395 * toplev.c: Include <stdlib.h> and <string.h>/<strings.h>.
4396 (v_message_with_decl): Remove unused variable `n'.
4397 (botch): Explicitly declare parameter `s' as char *.
4398 (main): Add parentheses around assignment used as truth value.
4400 * tree.c (make_node): Protect the variable `kind' with the
4401 GATHER_STATISTICS macro.
4402 (real_value_from_int_cst): Move variable `e' inside conditional
4403 macro area where it is used.
4404 (tree_last): Add parentheses around assignment used as truth value.
4405 (build1): Protect the variable `kind' with the GATHER_STATISTICS
4407 (print_obstack_statistics): Reconcile format vs. args in fprintf.
4408 Protect variables `i', `total_nodes', and `total_bytes' with the
4409 GATHER_STATISTICS macro.
4411 Tue Jan 27 23:01:55 1998 Mike Stump (mrs@wrs.com)
4413 * m32r.md, mips.md, mn10200.md, mn10300.md, pyr.md: Add
4414 some comments regarding use of dead_or_set_p.
4416 Tue Jan 27 22:14:48 1998 Todd Vierling <tv@pobox.com>
4418 * fixincludes: Tweak fix for struct exception in math.h
4420 Tue Jan 27 17:21:09 1998 Gavin Koch (gavin@cygnus.com)
4422 * mips/mips.c (mips_expand_prologue,mips_expand_epilogue):
4423 Change mode of registers used to add/sub from
4424 hard_frame_pointer_rtx from word_mode to Pmode.
4426 Tue Jan 27 11:02:04 1998 Nick Clifton <nickc@cygnus.com>
4428 * v850.h (ASM_OUTPUT_ALIGNED_BSS): Use
4429 asm_output_aligned_bss() instead of asm_output_bss().
4431 * toplev.c (rest_of_compilation): Replace references to
4432 stack_reg_dump_file and dbr_sched_dump_file with references to
4435 Tue Jan 27 10:22:13 1998 Kamil Iskra <iskra@student.uci.agh.edu.pl>
4437 * tlink.c (scan_linker_output): Call fclose() for opened files.
4439 Tue Jan 27 05:05:26 1998 Richard Henderson <rth@cygnus.com>
4441 * alpha.c (output_epilog [!VMS]): Don't tag global functions if
4442 compiling with -fpic -- we want to be able to override symbols
4444 (alpha_expand_block_move): Fix thinko in last change.
4446 * alpha.h (ASM_OUTPUT_MI_THUNK): New define.
4447 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): New define.
4448 * config/alpha/vms.h (ASM_OUTPUT_MI_THUNK): New undef.
4450 Tue Jan 27 03:21:23 1998 Richard Henderson <rth@cygnus.com>
4452 * alpha.md (abssf, absdf): Revert last change.
4454 Tue Jan 27 00:26:50 1998 John Carr <jfc@mit.edu>
4456 * dwarf2out.c (dwarf2out_frame_init): Test value of DWARF2_UNWIND_INFO.
4457 * mips/sni-svr4.h: Define DWARF2_UNWIND_INFO as 0.
4459 Tue Jan 27 00:07:02 1998 Jeffrey A Law (law@cygnus.com)
4461 * emit-rtl.c (gen_lowpart_common): Handle more case where converting
4462 a CONST_INT into SFmode.
4464 Tue Jan 20 16:01:03 1998 Anthony Green <green@cygnus.com>
4466 * flags.h: New flag (optimize_size).
4467 * toplev.c (main): Parse -Os option and set optimize_space
4469 * gcc.c (default_compilers), cp/lang-specs.h, f/lang-specs.h: Define
4470 __OPTIMIZE_SIZE__ when compiling with -Os.
4471 * config/dsp16xx/dsp16xx.h, config/i386/i386.h,
4472 config/i386/dgux.h, config/i960/i960.h, config/pdp11/pdp11.h,
4473 config/v850/v850.h (OPTIMIZATION_OPTIONS): New SIZE argument
4475 * config/i386/i386.c (optimization_options): Accept new SIZE argument.
4477 Mon Jan 26 23:57:39 1998 Manfred Hollstein <manfred@s-direktnet.de>
4479 * libgcc2.c (__clear_insn_cache): On sysV68 enable the memctl
4480 stuff only if MCT_TEXT is #define'd.
4482 Mon Jan 26 23:52:51 1998 Markus F.X.J. Oberhumer <k3040e4@c210.edvz.uni-linz.ac.at>
4484 * configure.in (i*86-pc-msdosdjgpp): Treat like msdos & go32
4487 Fri Jan 23 09:39:36 1998 Nick Clifton <nickc@cygnus.com>
4489 * toplev.c: Add -dM command line option to dump RTL after the
4490 machine dependent reorganisation pass, if there is one.
4491 Reorganise RTL dump code, so that only one file handle is
4494 Mon Jan 26 12:09:42 1998 Benjamin Kosnik <bkoz@rhino.cygnus.com>
4496 * except.c (check_exception_handler_labels): Disable warning when
4499 Mon Jan 26 18:17:32 1998 Jim Wilson <wilson@cygnus.com>
4501 * sparc.c (pic_setup_code): Don't set LABEL_PRESERVE_P.
4503 Mon Jan 26 18:11:30 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4505 * c-decl.c (grokdeclarator): Get parameter tags from
4506 last_function_parm_tags.
4507 * dwarfout.c (output_formal_types): Set TREE_ASM_WRITTEN before
4508 traversing the parameter types.
4509 (output_type): No early exit for FUNCTION_TYPE / METHOD_TYPE context.
4511 Mon Jan 26 01:44:12 1998 Jeffrey A Law (law@cygnus.com)
4513 * h8300.c (print_operand): Handle CONST_DOUBLE for 'e', 'f', and
4515 (get_shift_alg): Fix typo.
4517 Sun Jan 25 22:22:04 1998 Richard Henderson <rth@cygnus.com>
4519 * alpha.c (alpha_expand_block_move): Copy ADDRESSOF to reg.
4521 Sun Jan 25 22:14:28 1998 Richard Henderson <rth@cygnus.com>
4523 * toplev.c (get_run_time): Make sure each case gets its variables.
4525 Sun Jan 25 22:10:21 1998 Richard Henderson <rth@cygnus.com>
4527 * configure.in (build_xm_file): Add auto-config.h if host=build.
4528 (host_xm_file_list): Don't add $(srcdir) to auto-config.h.
4529 (build_xm_file_list): Likewise.
4530 * configure: Rebuild.
4532 Sun Jan 25 22:00:25 1998 Alasdair Baird <alasdair@wildcat.demon.co.uk>
4534 * recog.c (validate_replace_rtx_1): Only perform substitutions
4535 of arguments to commutative and comparison operators once.
4537 Sun Jan 25 12:30:18 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4539 * sparc.c (output_cbranch): Add default case in
4542 * reorg.c (insn_sets_resource_p): Correct typo in prototype.
4543 (emit_delay_sequence): Eliminate unused parameter, all callers
4545 (fill_simple_delay_slots): Likewise.
4546 (fill_slots_from_thread): Likewise.
4547 (fill_eager_delay_slots): Likewise.
4548 (mark_referenced_resources): Add default case in enumeration switch.
4549 (mark_set_resources): Likewise.
4550 (rare_destination): Likewise.
4551 (mostly_true_jump): Likewise.
4552 (find_dead_or_set_registers): Likewise.
4553 (redirect_with_delay_slots_safe_p): Remove unused variable `slots'.
4554 (update_reg_unused_notes): Remove unused variable `p'.
4555 (mark_target_live_regs): Remove unused variables `next' and
4557 (fill_simple_delay_slots): Remove unused variable `j'.
4558 (fill_slots_from_thread): Add parentheses around assignment used
4560 (dbr_schedule): Likewise.
4562 * objc/Make-lang.in (objc.stage1): Depend on stage1-start.
4563 (objc.stage2, objc.stage3, objc.stage4): Likewise.
4565 Sun Jan 25 12:13:47 1998 Michael Tiemann <michael@tiemann.org>
4567 * cse.c (simplify_ternary_operation): Don't try to simplify
4568 IF_THEN_ELSE expressions (created by combine) that don't use
4569 relational operators.
4571 Fri Jan 23 22:48:24 1998 Jeffrey A Law (law@cygnus.com)
4573 * cse.c (simplify_ternary_operation): Handle more IF_THEN_ELSE
4576 * crtstuff.c (init_dummy): Keep the epilogue in the init
4577 section for non-ELF systems.
4579 Fri Jan 23 23:28:59 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4581 * sh.md (movqi_i+1): New peephole.
4583 Fri Jan 23 15:39:42 1998 Jim Wilson <wilson@cygnus.com>
4585 * Makefile.in: Remove remaining bytecode stuff.
4586 * emit-rtl.c, expr.c: Likewise.
4588 Fri Jan 23 12:41:10 1998 Nick Clifton (nickc@cygnus.com)
4590 * toplev.c (lang_options): Add unknown-pragma options.
4592 Thu Jan 22 23:43:38 1998 Per Bothner <bothner@cygnus.com>
4594 * dwarfout.c (byte_size_attribute): Simplify and fix - don't need
4595 special (and incomplete) handling for Chill arrays.
4597 Fri Jan 23 00:27:23 1998 John Carr <jfc@mit.edu>
4599 * toplev.c (get_run_time): Call sysconf(_SC_CLK_TCK), when available,
4602 Fri Jan 23 00:19:36 1998 Gavin Koch (gavin@cygnus.com)
4604 * mips.md (muldi3_internal2): Reverse test for TARGET_MIPS16.
4606 1998-01-22 scott snyder <snyder@d0sgif.fnal.gov>
4608 * mips.c (function_prologue): Use HARD_FRAME_POINTER_REGNUM in
4609 .frame directive instead of FRAME_POINTER_REGNUM.
4611 Fri Jan 23 00:08:55 1998 Robin Kirkham <rjk@mlb.dmt.csiro.au>
4613 * m68k.h (TARGET_SWITCHES): -mcpu32 now clears MASK_68881.
4614 (MACHINE_STATE_m68010_up): Replaced __mc68332__ with __mcpu32__.
4615 * m68k/m68k-none.h(CPP_FPU_SPEC): Update relative to TARGET_SWITCHES.
4616 (CPP_SPEC, ASM_SPEC, CC1_SPEC): Likewise.
4617 (CPP_SPEC): -m68332 defines both __mc68332 and __mcpu32__.
4618 * m68k/t-m68kbare (MULTILIB_OPTIONS): Add mcpu32.
4619 (MULTILIB_MATCHES): -m68332 now uses mcpu32 libraries, not m68000.
4620 (MULTILIB_EXCEPTIONS): Don't build 68881 libraries for m68000,
4622 * longlong.h: Replace __mc68332__ with __mcpu32__.
4624 Thu Jan 22 19:55:40 PST 1998 Jeff Law (law@cygnus.com)
4626 * version.c: Bump for snapshot.
4628 Thu Jan 22 14:47:31 1998 Jim Wilson <wilson@cygnus.com>
4630 * reload.c (push_reload): In WORD_REGISTER_OPERATIONS code, add test
4631 to require the SUBREG mode to be smaller than the SUBREG_REG mode.
4632 * reload1.c (eliminate_regs): Likewise.
4634 Thu Jan 22 14:49:14 1998 Jeffrey A Law (law@cygnus.com)
4636 * regmove.c (find_matches): Initialize matches->earlyclobber too.
4638 Thu Jan 22 01:40:52 1998 Richard Henderson <rth@cygnus.com>
4640 * alpha.md (abssf2, absdf2): Disable in IEEE mode.
4641 (negsf2, negdf2): Use proper subtract in IEEE mode.
4643 Tue Jan 20 09:29:09 1998 Jeffrey A Law (law@cygnus.com)
4645 * Makefile.in: Remove more bytecode stuff.
4646 * expr.c, stmt.c, config/msdos/top.sed: Likewise.
4647 * vax/xm-vms.h, winnt/config-nt.sed: Likewise.
4648 * f/install.texi, objc/Make-lang.in: Likewise.
4650 * Makefile.in: Remove all bytecode support.
4651 (OBJS): Make sure last entry is a real object file, not EXTRA_OBJS.
4652 * emit-rtl.c: Remove all bytecode support.
4653 * expr.c, expr.h function.c, integrate.c: Likewise.
4654 * output.h, regclass.c, rtl.h, stmt.c, toplev.c: Likewise.
4655 * tree.h, varasm.c: Likewise.
4656 * config/m68k/m68k.h: Likewise.
4657 * bi-*, bc-*, bytecode*: Delete bytecode related files.
4658 * modemap.def: Likewise.
4660 Tue Jan 20 09:02:31 1998 Gavin Koch (gavin@cygnus.com)
4662 * mips/mips.md (divsi3,divdi3,modsi3,moddi3,udivsi3,udivdi3,
4663 umodsi3,umoddi3): Handle mips16 div/mod by a constant.
4665 Mon Jan 19 21:57:00 1998 Richard Henderson <rth@cygnus.com>
4667 * i386.md (push): Prohibit symbolic constants if flag_pic.
4668 (movsi+1): Likewise for move to non-register.
4670 Mon Jan 19 11:15:38 1998 Jim Wilson <wilson@cygnus.com>
4672 * alpha.c (mode_mask_operand): Accept 0xffffffff on 32 bit host.
4673 (print_operand): Handle 0xffffffff on 32 bit host.
4675 * configure.in (thread_file): Rename uses before main loop to
4676 target_thread_file. Initialize to empty in main loop. Set thread_file
4677 to target_thread_file after main loop if not set.
4678 * configure: Rebuild.
4680 * genattrtab.c (find_and_mark_used_attributes): Handle CONST_INT.
4681 (add_values_to_cover): Revert last change (which had no ChangeLog
4683 (simplify_with_current_value_aux): Handle CONST_INT.
4685 Mon Jan 19 10:14:55 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4687 * unprotoize.c: Define UNPROTOIZE first, to actually take effect.
4689 Mon Jan 19 10:11:52 1998 Richard Henderson <rth@cygnus.com>
4691 * configure.in: Add cpp stringify test.
4692 * acconfig.h (HAVE_CPP_STRINGIFY): New tag.
4693 * gengenrtl.c: Use it.
4694 * configure, config.in: Rebuild.
4696 Mon Jan 19 09:43:15 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
4698 * Makefile.in (genrtl.c genrtl.h): Add dummy command for GNU make.
4700 Mon Jan 19 09:38:18 1998 Richard Henderson <rth@cygnus.com>
4702 * configure.in: Find declaration for sbrk.
4703 * acconfig.h (NEED_DECLARATION_SBRK): New tag.
4704 * config.in, configure: Rebuild.
4705 * mips-tfile.c: Properly protect declaration of sbrk and free.
4706 * toplev.c: Properly protect declaration of sbrk.
4708 Sun Jan 18 20:18:01 1998 Richard Henderson <rth@cygnus.com>
4710 * alpha.c (alpha_handle_trap_shadows): Ignore CLOBBERs.
4712 Sun Jan 18 01:54:27 1998 Jeffrey A Law (law@cygnus.com)
4714 * alpha/xm-winnt.h (HAS_INIT_SECTION): Undefine.
4716 Sun Jan 18 00:57:35 1998 Mike Stump (mrs@wrs.com)
4718 * configure.in (i960-wrs-vxworks): Default to latest vxworks release.
4720 Sat Jan 17 23:41:36 1998 David S. Miller <davem@tanya.rutgers.edu>
4722 * combine.c (force_to_mode, nonzero_bits): Correctly optimize
4723 constant offset computations from objects with known alignment in
4724 the presence of STACK_BIAS.
4726 * varasm.c (immed_double_const): Add casts to HOST_WIDE_INT where
4728 (const_hash): Hash val is unsigned long.
4729 (SYMHASH): Likewise.
4731 * tree.c (TYPE_HASH): Type of hash val is unsigned long.
4733 * print-tree.c (print_node_brief): HOST_PTR_PRINTF format wants a
4734 char pointer, not HOST_WIDE_INT.
4735 (print_node): Likewise. Also hash is unsigned long not
4738 * cse.c (canon_hash): Hash is unsigned long not HOST_WIDE_INT.
4740 * explow.c (optimize_save_area_alloca): New function for targets
4741 where SETJMP_VIA_SAVE_AREA is true.
4742 (allocate_dynamic_stack_space): On SETJMP_VIA_SAVE_AREA targets,
4743 compute the amount of stack space needed should we find later that
4744 setjmp is never called by this function, stuff rtl for this inside
4745 a REG_NOTE of the final SET of stack_pointer_rtx.
4746 * toplev.c (rest_of_compilation): If SETJMP_VIA_SAVE_AREA and
4747 current_function_calls_alloca, call optimize_save_area_alloca.
4749 Sat Jan 17 23:22:59 1998 John Wehle (john@feith.com)
4751 * i386.md: Remove redundant integer push patterns.
4752 Don't bother checking for TARGET_PUSH_MEMORY when
4753 pushing constants or registers.
4755 Sat Jan 17 22:35:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4756 J.J VanderHeijden <J.J.vanderHeijden@student.utwente.nl>
4758 * pexecute.c (pexecute): New function for mingw32. Supports pipes.
4759 (pwait): New function for mingw32.
4761 * gcc.c (execute): Mingw32 pexecute() supports pipes, but cygwin32
4762 pipe support is broken for now.
4764 1998-01-17 Lee Iverson <leei@Canada.AI.SRI.COM>
4766 * emit_rtl.c (init_emit_once): Ensure that potential aliasing
4767 between frame_pointer_rtx, hard_frame_pointer_rtx, and
4768 arg_pointer_rtx is respected in initialization.
4769 (init_emit_once): Use gen_rtx_raw_REG() to create
4770 return_address_pointer_rtx.
4772 * reorg.c: #include "expr.h" for rtx prototypes.
4773 * Makefile.in (reorg.o): Depend on expr.h
4775 Sat Jan 17 21:28:08 1998 Pieter Nagel <pnagel@epiuse.co.za>
4777 * Makefile.in (FLAGS_TO_PASS): Pass down gcc_include_dir and
4778 local_prefix to sub-make invocations.
4780 Sat Jan 17 21:24:16 1998 David T. McWherter <dtm@waterw.com>
4782 * objc-parse.c: Recognize protocol qualifiers in class definitions.
4784 Sat Jan 17 21:16:19 1998 Jeffrey A Law (law@cygnus.com)
4788 * acconfig.h (NEED_DECLARATION_ATOL): New declaration to check for.
4789 * configure.in: Check for atol.
4790 * rtl.c (atol): Only provide the declaration if NEED_DECLARATION_ATOL.
4792 * rtl.c (read_rtx): Initialize list_rtx to NULL, not NULL_RTX.
4794 * loop.c (find_and_verify_loops): When attempting to move insns from
4795 inside the loop outside the loop, create a BARRIER if no suitable
4798 * jump.c (jump_optimize): Remove Dec 17, 1997 chance in
4799 favor of an equivalent change from gcc-2.8.
4801 * i386/x-sco5 (CC): Remove trailing whitespace.
4803 Sat Jan 17 21:09:46 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4805 * gengenrtl.c (type_from_format): De-ANSIfy function signature.
4806 (accessor_from_format): Likewise.
4807 (xmalloc): New function for use when linking with alloca.o.
4809 Mon Jan 5 02:53:01 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4811 * frame.c (find_fde): Correct FDE's upper bound.
4813 Fri Jan 16 16:23:52 1998 Richard Henderson <rth@cygnus.com>
4815 * gengenrtl.c (DEF_RTL_EXPR): Provide a K&R compliant version.
4817 Fri Jan 16 10:16:10 1998 Jeffrey A Law (law@cygnus.com)
4819 * calls.c (expand_call): Move #ifdef code out of macro argument
4821 (emit_library_call, emit_library_call_value): Likewise.
4823 Fri Jan 16 00:46:40 1998 Jeffrey A Law (law@cygnus.com)
4825 * rtl.def (INLINE_HEADER): Fix bug exposed by gen_rtx_FOO changes.
4827 Thu Jan 15 01:02:30 1998 Jeffrey A Law (law@cygnus.com)
4829 * version.c: Bump for snapshot.
4831 Wed Jan 14 22:49:17 1998 Richard Henderson <rth@cygnus.com>
4833 * alias.c: Change all uses of gen_rtx(FOO...) to gen_rtx_FOO;
4834 change gen_rtx(expr...) to gen_rtx_fmt_foo(expr...).
4835 * caller-save.c, calls.c, combine.c, cse.c: Likewise.
4836 * dwarf2out.c, except.c, explow.c, expmed.c, expr.c: Likewise.
4837 * final.c, flow.c, function.c, genpeep.c, haifa-sched.c: Likewise.
4838 * halfpic.c, integrate.c, jump.c, local-alloc.c, loop.c: Likewise.
4839 * profile.c, recog.c, reg-stack.c, regclass.c, regmove.c: Likewise.
4840 * reload.c, reload1.c, reorg.c, sched.c, stmt.c, stupid.c: Likewise.
4841 * unroll.c, varasm.c: Likewise.
4842 * config/alpha/alpha.c, config/alpha/alpha.md: Likewise.
4844 Wed Jan 14 19:36:08 1998 Gavin Koch (gavin@cygnus.com)
4846 * mips.h: Fix some type-o's from a previous change.
4848 Wed Jan 14 01:26:05 1998 Jeffrey A Law (law@cygnus.com)
4850 * loop.c (check_dbra_loop): Make sure initial value is a
4851 CONST_INT before trying to normalize it.
4853 Tue Jan 13 23:27:54 1998 Robert Lipe (robertl@dgii.com)
4855 * sco5.h (ASM_OUTPUT_SECTION_NAME): Refresh from ../svr4.h.
4857 Tue Jan 13 22:47:02 1998 Herman ten Brugge <herman@htbrug.net.HCC.nl>
4859 * cppexp.c: Include gansidecl.h
4861 Tue Jan 13 22:43:35 1998 Ian Lance Taylor <ian@cygnus.com>
4863 * svr4.h (LINK_SPEC): Never specify -h.
4864 * ptx4.h (LINK_SPEC): Likewise.
4865 * rs6000/sysv4.h (LINK_SPEC): Likewise.
4866 * sparc/sol2.h (LINK_SPEC): Likewise.
4868 Tue Jan 13 22:39:40 1998 Richard Henderson (rth@cygnus.com)
4870 * c-typeck.c (comptypes): Exit early on NULL input.
4872 * haifa-sched.c (schedule_insns): Correctly remove inter-block
4873 dependencies after reload.
4875 Tue Jan 13 22:22:31 1998 Franz Sirl <franz.sirl-kernel@lauterbach.com>
4877 * rs6000/linux.h (CPP_PREDEFINES): Add -D__ELF__.
4879 Tue Jan 13 22:14:57 1998 Klaus Kaempf <kkaempf@progis.de>
4881 * alpha/vms.h (DIR_SEPARATOR): define
4883 Tue Jan 13 22:13:04 1998 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
4885 * Makefile.in (stamp-proto): Remove.
4886 (protoize.o, unprotoize.o): Straightforward compile.
4887 * unprotoize.c: Define UNPROTOIZE here, not in the Makefile.
4889 Tue Jan 13 21:59:39 1998 Mumit Khan <khan@xraylith.wisc.edu>
4891 * i386/cygwin32.h (STRIP_NAME_ENCODING): Define for Win32 to strip
4892 off the trailing @[NUM] added by ENCODE_SECTION_INFO.
4894 Tue Jan 13 21:55:06 1998 Jeffrey A Law (law@cygnus.com)
4896 * arm/netbsd.h (DWARF2_UNWIND_INFO): Define as zero for now.
4897 * i386/netbsd.h, m68k/netbsd.h, ns32k/netbsd.h: Likewise.
4898 * sparc/netbsd.h, vax/netbsd.h: Likewise.
4900 Tue Jan 13 21:37:07 1998 Shigeya Suzuki <shigeya@foretune.co.jp>
4902 * i386/bsd386.h (DWARF2_UNWIND_INFO): Define as zero for now.
4904 Tue Jan 13 17:50:55 1998 Jim Wilson <wilson@cygnus.com>
4906 * configure.in (target_cpu_default, target_cpu_default2): Use double
4907 quotes around them when testing their value.
4908 * configure: Rebuilt.
4910 Tue Jan 13 09:07:44 1998 John Carr <jfc@mit.edu>
4912 * gengenrtl.c (gencode): Emit new function obstack_alloc_rtx
4914 (gendef): Call obstack_alloc_rtx.
4916 Tue Jan 13 01:16:36 1998 Robert Lipe (robertl@dgii.com)
4918 * configure.in: (i[3456]86-UnixWare7-sysv5): Treat much like SVR4
4921 Thu Dec 18 18:40:17 1997 Mumit Khan <khan@xraylith.wisc.edu>
4923 * i386/mingw32.h (INCOMING_RETURN_ADDR_RTX): Delete. Use the value
4924 of DWARF2_UNWIND_INFO, if any, from i386/cygwin32.h instead.
4925 (STANDARD_INCLUDE_DIR): Change to /usr/local/i386-mingw32/include.
4927 Tue Jan 13 00:44:02 1998 Jim Wilson <wilson@cygnus.com>
4929 * mips.md (return_internal): Change mode from SImode to VOIDmode.
4931 Sat Jan 10 22:11:39 1998 J. Kean Johnston <jkj@sco.com>
4933 * i386/sco5.h (STARTFILE_SPEC, ENDFILE_SPEC): Correctly handle
4936 Sat Jan 10 22:04:15 1998 Stan Cox <scox@equinox.cygnus.com>
4938 * i386.md: (movsicc_1, movhicc_1): For alternate 3 set the opcode
4939 suffix from operand 3.
4941 Sat Jan 10 21:50:16 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
4942 Jeffrey A Law (law@cygnus.com)
4944 * regmove.c: New implementation of regmove pass.
4945 * local-alloc.c (optimize_reg_copy_1, optimize_reg_copy_2): Remove
4946 decls, make them have external linkage. Return a value from
4947 optimize_reg_copy_1.
4948 * reload.h (count_occurrences): Add decl.
4949 * reload1.c (count_occurrences): Delete decl, make it have external
4951 * rtl.h (optimize_reg_copy_1, optimize_reg_copy_2): Declare.
4953 Sat Jan 10 20:30:12 1998 Jeffrey A Law (law@cygnus.com)
4955 * regclass.c (record_address_regs): Don't use REG_OK_FOR_BASE_P
4956 if it is not defined.
4958 Thu Jan 8 21:06:54 1998 Richard Henderson <rth@cygnus.com>
4960 * Makefile.in (OBJ, GEN, RTL_H): Add genrtl.[oh] bits.
4961 * emit-rtl.c (gen_rtx): Move special code to ...
4962 (gen_rtx_CONST_INT): New function.
4963 (gen_rtx_REG): New function.
4964 (*): Update all calls to gen_rtx.
4965 * genemit.c (gen_exp): Emit calls to gen_rtx_FOO for constant FOO.
4966 * rtl.h: Include genrtl.h; prototype CONST_INT & REG generators.
4967 (GEN_INT): Call gen_rtx_CONST_INT.
4968 * gengenrtl.c: New file.
4970 Mon Jan 5 13:00:18 1998 John F. Carr <jfc@mit.edu>
4972 * alias.c (*_dependence): Call base_alias_check before canon_rtx.
4973 (base_alias_check): If no base found for address call canon_rtx and
4976 Mon Jan 5 11:39:49 1998 Jeffrey A Law (law@cygnus.com)
4978 * mips.c (mips_expand_prologue): Handle large frame with no outgoing
4979 arguments for mips16.
4980 (mips_expand_epilogue): Pass "orig_tsize" to save_restore_insns.
4981 Don't lose if tsize is zero after handling large stack for mips16.
4982 * mips.md (return): For trivial return, return address is in $31.
4984 Sun Jan 4 20:24:00 1998 Nigel Stephens <nigel@algor.co.uk>
4986 * mips/mips16.S: Various changes to make it work with -msingle-float
4989 Sun Jan 4 14:25:18 1998 Gavin Koch <gavin@cygnus.com>
4990 Ian Lance Taylor <ian@cygnus.com>
4991 Jeff Law <law@cygnus.com>
4993 * mips.c, mips.h, mips.md: First cut at merging in mips16
4994 support. Major modifications throughout all three files.
4996 Sun Jan 4 01:01:50 1998 scott snyder <snyder@d0sgif.fnal.gov>
4998 * configure.in: Make gthr-default.h a forwarding header instead of
5001 Sat Jan 3 12:08:06 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5003 * gcov-io.h: Include sys/types.h to ensure we get size_t.
5005 * pa.h (ASM_OUTPUT_MI_THUNK): Add missing % in fprintf.
5007 Fri Jan 2 23:40:09 1998 Jim Wilson (wilson@cygnus.com)
5008 Jeffrey A Law (law@cygnus.com)
5010 * crtstuff.c (__frame_dummy): New function for irix6.
5011 (__do_global_ctors): Call __frame_dummy for irix6.
5012 * iris6.h (LINK_SPEC): Hide __frame_dummy too.
5014 Fri Jan 2 04:57:57 1998 Weiwen Liu <liu@hepmail.physics.yale.edu>
5016 * alpha.c (vms_valid_decl_attribute_p): Move within #if OPEN_VMS.
5018 Fri Jan 2 04:34:14 1998 Richard Henderson <rth@cygnus.com>
5020 * c-decl.c (init_decl_processing): Provide proper fallback symbol
5021 for __builtin_memset.
5022 * expr.c (expand_builtin) [MEMSET]: Arg 3 type code is INTEGER_TYPE
5023 not INTEGER_CST. Assert arg 3 is a constant.
5025 * alpha.c (mode_width_operand): Accept 64-bit modes.
5026 (mode_mask_operand): Likewise.
5027 (print_operand): Likewise for 'M' and 'U' codes.
5028 (alpha_expand_unaligned_load): New function.
5029 (alpha_expand_unaligned_store): Likewise.
5030 (alpha_expand_unaligned_load_words): Likewise.
5031 (alpha_expand_unaligned_store_words): Likewise.
5032 (alpha_expand_block_move): Likewise.
5033 (alpha_expand_block_clear): Likewise.
5034 * alpha.h (MOVE_RATIO): New define.
5035 * alpha.md (extxl, ext*h, ins*l, mskxl): Name them.
5036 (insql, insxh, mskxh, extv, extzv, insv, movstrqi, clrstrqi): New.
5038 * alpha.h (ASM_OUTPUT_LOOP_ALIGN, ASM_OUTPUT_ALIGN_CODE): Set to 3.
5039 (CONSTANT_ALIGNMENT, DATA_ALIGNMENT): Disable.
5041 Thu Jan 1 15:40:15 1998 Richard Henderson <rth@cygnus.com>
5043 * configure.in: Put parenthesis around TARGET_CPU_DEFAULT's value.
5044 * configure: Update.
5046 Thu Jan 1 10:49:12 1998 Jeffrey A Law (law@cygnus.com)
5048 * emit-rtl.c (operand_subword): Correctly handle extracting a word
5049 from a CONST_DOUBLE for 16bit targets with !WORDS_BIG_ENDIAN.
5051 * mn10200.md (tstxx, cmpxx): Use "nonimmediate_operand" as predicate
5054 Wed Dec 31 14:42:18 1997 Ian Lance Taylor <ian@cygnus.com>
5056 * configure.in: Set and subsitute host_exeext. Use it when creating
5057 the assembler and linker symlinks.
5058 * configure: Rebuild.
5059 * Makefile.in (exeext): Set to @host_exeext@.
5060 (build_exeext): New variable, set to @build_exeext@.
5061 (FLAGS_TO_PASS): Pass down build_exeext.
5062 (STAGESTUFF): Use build_exeext, not exeext, for gen* and bi*
5065 Wed Dec 31 10:05:44 1997 Jeffrey A Law (law@cygnus.com)
5067 * mn10200.md (addsi3, subsi3): Fix thinkos.
5069 Tue Dec 30 00:04:49 1997 Richard Henderson <rth@cygnus.com>
5071 * sparc.h (ASM_OUTPUT_MI_THUNK): Move %o7 through %g1 instead of
5072 save+restore. Fix pic+big_offset delay slot. Use "pic" case for
5073 unix always, since we want to be able to thunk to functions in a
5074 shared library from an application.
5076 Mon Dec 29 14:37:31 1997 Ian Lance Taylor <ian@cygnus.com>
5078 * mips/t-ecoff (CROSS_LIBGCC1): Define to libgcc1-asm.a.
5079 (LIB1ASMSRC, LIB1ASMFUNCS): Define.
5081 Mon Dec 29 14:03:38 1997 Jeffrey A Law (law@cygnus.com)
5083 * expr.c (expand_expr): For {BITFIELD,COMPONENT,ARRAY}_REF, if the
5084 offset's mode is not ptr_mode, convert it.
5086 Mon Dec 29 15:58:18 1997 Michael Meissner <meissner@cygnus.com>
5088 * libgcc2.c (inhibit_libc): Don't define inhibit_libc when cross
5089 compiling if it was already defined.
5091 Sun Dec 28 00:32:16 1997 Jeffrey A Law (law@cygnus.com)
5093 * flow.c (find_basic_blocks): Don't create a new basic block
5094 for calls in a LIBCALL block.
5096 Sun Dec 28 00:30:24 1997 David Edelsohn <edelsohn@mhpcc.edu>
5098 * config/fp-bit.c (L_df_to_sf): Fix typo in last change.
5100 Sat Dec 27 22:43:12 1997 Jeffrey A Law (law@cygnus.com)
5102 * cse.c (rtx_cost): Remove conflicting default case.
5104 Sat Dec 27 21:20:02 1997 Richard Henderson <rth@cygnus.com>
5106 * configure.in: Move default enabling of Haifa out of for loop.
5107 * configure: Rebuild.
5109 Thu Dec 25 01:02:54 1997 Jeffrey A Law (law@cygnus.com)
5111 * version.c: Bump for snapshot.
5113 1997-12-25 Teemu Torma <tot@trema.com>
5115 * Makefile.in (GTHREAD_FLAGS): New var.
5116 (LIBGCC2_CFLAGS): Added $(GTHREAD_FLAGS).
5117 (distclean): Remove gthr-default.h.
5119 * configure.in: Accept dce as a thread package.
5120 Check for thread.h and pthread.h.
5121 Link gthr-default.h to appropriate thread file and set
5123 (hppa1.1-*-hpux10*): If --enable-threads, use dce threads and
5124 include multilib definitions from pa/t-dce-thr.
5125 (sparc-*-solaris2*): Enable threads by default, if thread.h or
5126 pthread.h is found, preferring posix threads over solaris ones.
5128 * config/pa/t-dce-thr: New file.
5129 * config/pa/t-pa: Removed multilibs.
5130 * config/sparc/t-sol2: Ditto.
5133 * gthr-single.h: New file.
5134 * gthr-posix.h: New file.
5135 * gthr-solaris.h: New file.
5136 * gthr-dce.h: New file.
5137 * libgcc-thr.h: Removed.
5138 * objc/thr-dce.c: New file copied from thr-decosf1.c.
5140 * frame.c: Include gthr.h instead of libgcc-thr.h.
5141 * libgcc2.c: Include gthr.h instead of libgcc-thr.h.
5142 (eh_context_initialize): If __gthread_once fails, use static eh
5144 (eh_context_free): Call __gthread_key_dtor.
5146 Wed Dec 24 23:33:17 1997 Jeffrey A Law (law@cygnus.com)
5148 * expr.h (MUST_PASS_IN_STACK): Allow target port to override.
5150 Wed Dec 24 23:12:14 1997 Jim Wilson <wilson@cygnus.com>
5152 * cse.c (max_insn_uid): New variable.
5153 (cse_around_loop): Use max_insn_uid.
5154 (cse_main): Set max_insn_uid.
5156 * abi64.h (LONG_MAX_SPEC): Check MIPS_ABI_DEFAULT and TARGET_DEFAULT,
5157 and define __LONG_MAX__ appropriately. Add support for -mabi=X,
5158 -mlong64, and -mgp{32,64} options.
5159 * mips.c (mips_abi): Change type to int.
5160 * mips.h (enum mips_abi_type): Delete.
5161 (ABI_32, ABI_N32, ABI_64, ABI_EABI): Define as constants.
5162 (mips_abi): Change type to int.
5164 Wed Dec 24 22:38:34 1997 John Carr <jfc@mit.edu>
5166 * flags.h, toplev.c, calls.c, alias.c: Remove flag_alias_check;
5167 optimization is now always enabled.
5169 * calls.c (expand_call): Recognize C++ operator new as malloc-like
5172 * alias.c (memrefs_conflict_p): Eliminate tests now done by
5174 (*_dependence): Call canon_rtx before base_alias_check.
5175 (init_alias_once): New function to precompute set of registers which
5176 can hold Pmode function arguments.
5178 * rtl.h: Declare init_alias_once.
5180 * toplev.c (compile_file): Call init_alias_once.
5182 Wed Dec 24 22:34:55 1997 Jeffrey A Law (law@cygnus.com)
5184 * tree.c (restore_tree_status): Do not dereference a null pointer.
5186 Tue Dec 23 12:56:46 1997 Paul Eggert <eggert@twinsun.com>:
5188 * genattrtab.c (main): Check HAVE_{G,S}ETRLIMIT in addition to
5189 RLIMIT_STACK. This maintains consistency with the recent, similar
5190 patch to cccp.c and toplev.c.
5192 Tue Dec 23 05:17:28 1997 Richard Henderson <rth@cygnus.com>
5194 * genattrtab.c (expand_units): For large nr opclasses, expand
5195 function_units_used with ORX to prevent blowups. Tag with FFS.
5196 (num_unit_opclasses): New variable.
5197 (gen_unit): Update it.
5198 (enum operator): Add ORX_OP.
5199 (operate_exp): Treat ORX as or, except don't expand across an if.
5200 Reuse number rtx's after operating on them.
5201 (check_attr_value): Accept IOR, AND, & FFS.
5202 (write_test_expr): Transmute `in_comparison' to `flags'. Allow
5203 for attribute value caching. Handle CONST_STRING, IF_THEN_ELSE.
5204 (write_expr_attr_cache, write_toplevel_expr): New functions.
5205 (write_attr_get): Handle FFS-tagged expressions.
5206 (make_canonical): Don't expand const attributes.
5207 (convert_const_symbol_ref): Dike out.
5208 (evaluate_eq_attr): Handle SYMBOL_REF.
5209 (main): Don't emit get_attr_foo for const attributes.
5211 * alpha.c (override_options): Reinstate PROCESSOR_EV6.
5212 (alpha_adjust_cost): Add EV6 tuning; streamline EV5 tests.
5213 * alpha.h (REGISTER_MOVE_COST): Increase ftoi/itof cost slightly.
5214 * alpha.md: Redo all of the scheduling, adding EV6 support, and
5215 combining function units where possible.
5216 (attr "type"): Split loads, stores, cmov into int/fp. Combine
5217 multiplies and divides. Add EV6 sqrt, ftoi, itof.
5218 (attr "opsize"): New attribute.
5219 (sqrtsf2-1, sqrtdf2-1): Provide proper TP_INSN patterns.
5220 (movsf2-[12], movdf2-[12]): Provide CIX varients; don't allow CIX
5221 to control register allocation.
5222 (movsi2-1, movdi2-1): Likewise.
5224 Tue Dec 23 03:53:21 1997 Richard Henderson <rth@cygnus.com>
5226 * alpha.h (CPP_PREDEFINES, LIB_SPEC, LINK_SPEC, STARTFILE_SPEC,
5227 MD_STARTFILE_PREFIX, ASM_FILE_START, ASM_SPEC, ASM_FINAL_SPEC):
5228 Move OSF/1 specific defines out.
5229 * alpha/elf.h (TARGET_VERSION, CPP_PREDEFINES, DEFAULT_VTABLE_THUNKS):
5230 Move Linux specific defines out.
5231 (LINK_SPEC): Genericize.
5232 (ASM_FILE_START): Emit .arch if using more than the base insn set.
5233 (ASM_OUTPUT_SOURCE_LINE): Remove; identical to alpha.h version.
5234 (SDB_DEBUGGING_INFO): Remove; gas can't handle it.
5235 (HANDLE_SYSV_PRAGMA): Define.
5236 * alpha/osf.h: New file.
5237 * alpha/linux.h: Split. Retain file-format independant defines.
5238 Import Linux bits from elf.h.
5239 (CPP_PREDEFINES): Take a file-format specific SUB_CPP_PREDEFINES
5240 (FUNCTION_PROFILER): _mcount takes its address in $28.
5241 (MD_EXEC_PREFIX, MD_STARTFILE_PREFIX): Remove undef.
5242 * alpha/linux-ecoff.h: New file.
5243 * alpha/linux-elf.h: New file.
5244 * alpha/vms.h (LIB_SPEC, LINK_SPEC): Copy from osf.h.
5245 * alpha/win-nt.h (TARGET_DEFAULT): Define.
5246 * configure.in (alpha*-*-osf*, alpha*-*-linux*) [tm_file]:
5247 Add new headers as appropriate.
5249 * configure.in (alpha*): Enable Haifa by default.
5250 (*-*-winnt3*): Change to winnt*, since we're not v3 specific.
5251 * configure: Rebuild.
5253 Tue Dec 23 03:14:54 1997 Richard Henderson <rth@cygnus.com>
5255 * Makefile.in (clean): Remove the stages with their objects here ...
5256 (distclean): ... instead of here.
5258 Mon Dec 22 11:24:01 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5260 * cse.c (rtx_cost): Add default case in enumeration switch.
5261 * fix-header.c (recognized_macro): Likewise.
5262 (recognized_extern): Likewise.
5263 (write_rbrac): Likewise.
5264 * objc/objc-act.c (encode_aggregate): Likewise.
5265 (gen_declarator): Likewise.
5266 (gen_declspecs): Likewise.
5268 Mon Dec 22 09:58:51 1997 Jeffrey A Law (law@cygnus.com)
5270 * haifa-sched.c (create_reg_dead_note): Detect and handle another
5271 case where we kill more regs after sched than were killed before
5273 * sched.c (create_reg_dead_note): Similarly.
5275 Mon Dec 22 09:18:37 1997 Jeffrey A Law (law@cygnus.com)
5277 * c-pragma.c: Include flags.h.
5279 Sun Dec 21 22:10:59 1997 Mumit Khan <khan@xraylith.wisc.edu>
5281 * i386/cygwin32.h (NO_IMPLICIT_EXTERN_C): Don't assume anything
5282 about system headers.
5283 (LIB_SPEC): Add -ladvapi32 -lshell32 to be consistent with mingw32
5284 and also to resolve symbols in prefix.c.
5286 * i386/xm-cygwin32.h (HAVE_BCOPY): Define. This avoids a conflict
5287 between gansidecl.h and newlib's _ansi.h when building libgcc2.a,
5288 when the definitions in auto-config.h is not visible.
5289 (HAVE_BZERO): Likewise.
5290 (HAVE_BCMP): Likewise.
5291 (HAVE_RINDEX): Likewise.
5292 (HAVE_INDEX): Likewise.
5294 Sun Dec 21 21:54:22 1997 Jeffrey A Law (law@cygnus.com)
5296 * pa.c (emit_move_sequence): Handle a function label source
5299 Sun Dec 21 16:13:55 1997 Nick Clifton <nickc@cygnus.com
5301 * c-pragma.c (handle_pragma_token): Generate warning messages
5302 about unknown pragmas if warn_unknown_pragmas is set.
5304 * c-decl.c (c_decode_option): Parse -Wunknown-pragmas command
5305 line option to set variable: warn_unknown_pragmas.
5307 Sun Dec 21 15:51:10 1997 Manfred Hollstein <manfred@lts.sel.alcatel.de>
5309 * m68k/mot3300.h (ASM_BYTE_OP): Don't include '\t' in the
5311 (ASM_OUTPUT_ASCII): Prefix ASM_BYTE_OP by one single '\t'.
5313 Sun Dec 21 13:58:39 1997 Jeffrey A Law (law@cygnus.com)
5315 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Define.
5316 (libgcc2.a): Depend on $(DPBIT) and $(FPBIT). Add rules to
5317 generate more fine grained floating point emulation libraries.
5318 * config/fp-bit.c: Add protecting #ifdef to all functions so
5319 that they can be compiled separately. If !FINE_GRAINED_LIBRARIES,
5320 then compile all suitable functions.
5321 (pack_d, unpack_d, fpcmp_parts): Add declarations, define with two
5322 underscores to avoid namespace pollution.
5323 * t-mn10200 (LIB2FUNCS_EXTRA): Remove fp-bit.c
5325 * t-mn10300 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
5329 Sat Dec 20 11:26:47 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5330 Jeff Law <law@cygnus.com>
5332 * bitmap.c (bitmap_clear): Ensure `inline' is at the beginning
5334 * c-decl.c (finish_decl): Use parentheses around && within ||.
5335 * rtl.c: Include stdlib.h.
5336 (read_skip_spaces): Add parentheses around assignments used as
5338 (read_rtx): Initialize list_rtx.
5339 * cppexp.c (parse_number): Use || when operands are truth values.
5340 * alias.c (find_base_value): Add default case.
5341 (memrefs_conflict): Likewise.
5342 * combine.c (sets_function_arg_p): Likewise.
5343 * genemit.c (gen_exp): Likewise.
5344 * local-alloc.c (contains_replace_regs): Likewise.
5345 * rtlanal.c (jmp_uses_reg_or_mem): Likewise.
5346 * fold-const.c (fold_convert): Use "&&" for truth values.
5347 (fold): Add default case.
5348 * sdbout.c (sdbout_field_types): Fix typo in declaration.
5349 (sdbout_one_type): Add default case.
5350 * alpha.c (alpha_sa_mask): Prototype only if OPEN_VMS.
5351 (some_operand): Add default case.
5352 (input_operand): Likewise.
5353 (signed_comparison_operator): Likewise.
5354 (divmod_operator): Likewise.
5355 (alpha_set_memflags_1): Likewise.
5356 * reload1.c (reload_cse_simplify_operands): Ensure function
5357 always returns a value.
5358 * scan-decls.c (scan_decls): Likewise.
5359 * c-lex.c (skip_white_space): Fix typo in declaraion.
5360 * c-typeck.c (comp_target_types): Add parentheses around assignment
5361 used as truth value.
5362 (print_spelling): Likewise.
5363 (constructor_implicit, constructor_result): Remove unused variables.
5364 * collect2.c (scan_library): Protect prototype with
5365 #ifdef SCAN_LIBRARIES.
5366 * emit-rtl.c (find_line_note): Fix typo in declaration.
5367 * final.c (asm_insn_count): Protect prototype with
5368 #ifdef HAVE_ATTR_length.
5369 * flow.c (find_auto_inc): Protect prototype with #ifdef AUTO_INC_DEC.
5370 (try_pre_increment_1, try_pre_increment): Likewise.
5371 * regclass.c (auto_inc_dec_reg_p): Protect prototype with
5372 #ifdef FORBIDDEN_INC_DEC_CLASSES. Make return type explicit.
5373 * gcov-io.h (__store_long, __write_long, __read_long): Fix
5374 unsigned/signed comparisons.
5375 * gcov.c (read_files): Remove unused "first_type" variable.
5376 (scan _for_source_files): Initialize s_ptr.
5377 (function_summary): Eliminate "%lf" formatting, use %ld for
5379 (output_data): Initialize branch_probs and last_line_num.
5380 Eliminate "%lf" formatting, use "%ld" for longs.
5382 Fri Dec 19 17:31:11 1997 Ian Lance Taylor <ian@cygnus.com>
5384 * mips16.S: New file.
5386 * libgcc2.c (varargs): Handle mips16.
5388 * expr.c (do_tablejump): Let CASE_VECTOR_PC_RELATIVE be an
5390 * stmt.c (expand_end_case): Likewise.
5391 * alpha.h (CASE_VECTOR_PC_RELATIVE): Update.
5392 * fx80.h, gmicro.h, m68k.h, m88k.h, ns32k.h: Likewise.
5393 * rs6000.h, sh.h, tahoe.h, v850.h, vax.h: Likewise.
5395 Tue Dec 16 15:14:09 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
5397 * objc/Make-lang.in: Create runtime-info.h and libobjc_entry.o in
5398 the build directory.
5399 (libobjc.a): Update dependency list.
5400 (libobjc.dll): Likewise. Use libobjc_entry.o from the build
5402 (objc/sendmsg.o): Add -Iobjc to find runtime-info.h.
5403 (objc.mostlyclean): Remove runtime-info.h.
5405 Fri Dec 19 00:19:42 1997 Richard Henderson <rth@cygnus.com>
5407 * tree.c (build_range_type): Allow creation of ranges with no maximum.
5408 * dbxout.c (dbxout_range_type): Handle missing TYPE_MAX_VALUE.
5409 * dwarf2out.c (add_subscript_info): Likewise.
5410 * dwarfout.c (subscript_data_attribute, byte_size_attribute): Likewise.
5411 * sdbout.c (plain_type_1): Likewise.
5412 * stmt.c (pushcase_range, all_cases_count, node_has_high_bound):
5414 * fold-const.c (int_const_binop, fold_convert, make_range, fold):
5417 Thu Dec 18 17:05:10 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5419 * mips.c (fatal): Remove declaration.
5421 1997-12-18 Mark Mitchell <mmitchell@usa.net>
5423 * integrate.c (get_label_from_map): New function.
5424 (expand_inline_function): Use it. Initialize the label_map to
5425 NULL_RTX instead of gen_label_rtx.
5426 (copy_rtx_and_substitute): Use get_label_from_map.
5427 * integrate.h (get_label_from_map): New function.
5428 (set_label_from_map): New macro.
5429 * unroll.c (unroll_loop): Use them.
5430 (copy_loop_body): Ditto.
5432 Thu Dec 18 19:19:57 1997 Ian Lance Taylor <ian@cygnus.com>
5434 * mips/mips.h (INIT_SUBTARGET_OPTABS): Define if not defined.
5435 (INIT_TARGET_OPTABS): Define.
5436 * mips/ecoff.h: Include gofast.h before mips.h.
5437 (INIT_SUBTARGET_OPTABS): Define instead of INIT_TARGET_OPTABS.
5438 * mips/elf64.h: Likewise.
5439 * mips/elf.h (ASM_OUTPUT_SECTION_NAME): Define.
5441 Thu Dec 18 14:51:12 1997 Jason Merrill <jason@yorick.cygnus.com>
5443 * except.c: Remove register_exception_table{,_p}.
5445 Thu Dec 18 14:57:29 1997 Gavin Koch <gavin@cygnus.com>
5447 * unroll.c (calculate_giv_inc): Handle constant increment found in
5448 a MEM with an appropriate REG_EQUAL note.
5450 * calls.c (expand_call): Implement LOAD_ARGS_REVERSED.
5452 * dwarf2out.c (dwarf2out_frame_debug): Handle adjustments of the
5453 frame pointer in the prologue.
5455 Thu Dec 18 00:19:38 1997 Robert Lipe <robertl@dgii.com>
5457 * i386/x-sco5 (CLIB) Deleted. (ALLOCA) Added.
5458 * i386/xm-sco5.h (USE_C_ALLOCA) Added.
5460 Tue Dec 16 18:51:00 1997 Bill Moyer <billm@cygnus.com>
5462 * config/m68k/m68k.c (output_function_prologue): Typecast
5463 dwarf2out_cfi_label to (char *).
5464 * config/m68k/m68kemb.h (STARTFILE_SPEC): Redefined to "".
5466 Wed Dec 17 15:06:04 1997 Richard Henderson <rth@cygnus.com>
5468 * sparc.md (jump): Don't use the annul bit around an empty loop.
5469 Patch from Kevin.Kelly@East.Sun.COM.
5471 Wed Dec 17 00:51:36 1997 Stan Cox (scox@cygnus.com)
5473 * jump.c: (jump_optimize): Don't use the return register as a
5474 source1 of a conditional move.
5476 Tue Dec 16 23:45:40 1997 Richard Henderson <rth@cygnus.com>
5478 * sparc.c (DF_MODES): Or the mask not the bit number.
5479 (function_arg) [ARCH64]: Send unprototyped arg to fp reg first.
5481 Wed Dec 17 00:13:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5483 * combine.c (force_to_mode): return immediately if operand is a CLOBBER.
5485 Tue Dec 16 23:44:54 1997 Manfred Hollstein <manfred@s-direktnet.de>
5487 * fixincludes (size_t): Add support for Motorola's stdlib.h
5488 which fails to provide a definition for size_t.
5489 (fabs/hypot): Provide a prototype for fabs on m88k-motorola-sysv3.
5490 (strlen,strspn,strcspn return value): Handle different layout on sysV88.
5491 (hypot): Provide a fake for hypot for m88k-motorola-sysv3.
5493 * m68k/xm-mot3300.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Define to
5494 prevent unresolved externals in libio.
5495 * m88k/xm-sysv3.h (ADD_MISSING_POSIX, ADD_MISSING_XOPEN): Likewise.
5497 Tue Dec 16 23:25:45 1997 H.J. Lu (hjl@gnu.org)
5499 * config/sparc/linux64.h (LIBGCC_SPEC): Removed.
5500 (CPP_SUBTARGET_SPEC): Add %{pthread:-D_REENTRANT}.
5501 (LIB_SPEC): Updated for glibc 2.
5503 Tue Dec 16 20:11:36 1997 Jeffrey A Law (law@cygnus.com)
5505 * ginclude/stdarg.h: Undo BeOS changes, they break hpux.
5506 * ginclude/varargs.h: Likewise.
5508 Tue Dec 16 00:32:01 1997 Jeffrey A Law (law@cygnus.com)
5510 * version.c: Bump for snapshot.
5512 Tue Dec 16 00:14:29 1997 H.J. Lu (hjl@gnu.org)
5514 * frame.h (__register_frame, __register_frame_table,
5515 __deregister_frame): New.
5516 * frame.c (__register_frame, __register_frame_table,
5517 __deregister_frame): New.
5518 * frame.c (__deregister_frame_info): Return void *.
5519 * frame.h (__deregister_frame_info): Ditto.
5520 * collect2.c (__deregister_frame_info): Ditto.
5522 Mon Dec 15 18:40:08 1997 Richard Henderson <rth@cygnus.com>
5524 * expmed.c (expand_shift): If SHIFT_COUNT_TRUNCATED, drop a SUBREG.
5526 Mon Dec 15 18:31:43 1997 Richard Henderson <rth@cygnus.com>
5528 * alpha.c (alpha_cpu_name): New variable.
5529 (alpha_mlat_string): Likewise.
5530 (alpha_memory_latency): Likewise.
5531 (override_options): Handle -mmemory-latency.
5532 (alpha_adjust_cost): Adjust load cost for latency.
5533 * alpha.h (TARGET_OPTIONS): Add meory-latency.
5534 (REGISTER_MOVE_COST): Define in terms of memory_latency. Take
5535 TARGET_CIX into account.
5536 (MEMORY_MOVE_COST): Define in terms of memory_latency.
5537 * invoke.texi (DEC Alpha Options): Document -mmemory-latency.
5539 * alpha.h (ASM_COMMENT_START): New macro.
5541 Mon Dec 15 17:48:05 1997 Richard Henderson <rth@cygnus.com>
5543 * reload.h, reload1.c (eliminate_regs), caller-save.c, dbxout.c,
5544 dwarfout.c, dwarf2out.c, reload.c, sdbout.c: Revert March 15 change.
5546 * reload.c (push_reload): If WORD_REGISTER_OPERATIONS, reload the
5547 SUBREG_REG if the word count is unchanged.
5548 * reload1.c (eliminate_regs) [case SET]: If W_R_O, preserve
5549 subregs of identical word size for push_reload.
5551 Mon Dec 15 Mark Mitchell <mmitchell@usa.net> 11:41:32 1997
5553 * toplev.c (rest_of_compilation): Don't call save_for_inline_copy
5554 if all we're doing is dealing with -Wreturn-type.
5556 Mon Dec 15 09:44:39 1997 Richard Henderson <rth@cygnus.com>
5558 * alpha.md (zero_extendqihi2, zero_extendqisi2, zero_extendqidi2):
5559 Use and 255 instead of zapnot 1, since it schedules better.
5561 Mon Dec 15 08:48:24 1997 Jeffrey A Law (law@cygnus.com)
5563 * stmt.c (expand_asm_operands): If an ASM has no outputs, then treat
5566 Mon Dec 15 00:04:48 1997 Jeffrey A Law (law@cygnus.com)
5568 * haifa-sched.c (remove_dependencies): Set RTX_INTEGRATED_P on
5569 dependency we delete. Properly update prev for multiple consecutive
5571 (priority): Skip deleted dependence.
5573 Fri Dec 12 18:54:23 1997 Per Bothner <bothner@cygnus.com>
5575 * expr.c (expand_builtin): Support BUILT_IN_FMOD - just call fmod.
5577 Fri Dec 12 01:19:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5579 * flow.c (flow_analysis): Be consistent with find_basic_blocks in
5580 determining when a new basic block starts.
5582 * alpha/osf2or3.h (LIB_SPEC): Restore missing defn.
5584 * pa.h (TEXT_SPACE_P): Use TREE_CODE_CLASS.
5585 * pa.md (iorsi3): Add missing args to *_operand calls.
5587 * except.c (call_get_eh_context): Don't mess with sequences.
5588 (emit_eh_context): Include the call in the sequence here.
5590 1997-12-11 Paul Eggert <eggert@twinsun.com>
5592 * collect2.c (write_c_file_glob): Allocate initial frame object
5593 in static storage and pass its address.
5595 Thu Dec 11 23:33:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5597 * except.c (call_get_eh_context): Don't take a parm.
5598 Put the call at the top of the function.
5599 (emit_eh_context): Adjust.
5600 (get_eh_context): Replace with former use_eh_context.
5601 (get_eh_context_once, get_saved_pc_ref): Remove.
5602 (start_eh_unwinder, end_eh_unwinder, emit_unwinder): Remove.
5604 * integrate.c (expand_inline_function): Adjust.
5605 * toplev.c (rest_of_compilation): Don't call emit_unwinder.
5607 Fri Oct 10 17:58:31 CEST 1997 Marc Lehmann <pcg@goof.com>
5609 * i386/xm-go32.h (EXECUTABLE_SUFFIX): Define.
5610 (DIR_SEPARATOR, NO_SYS_SIGLIST): Likewise.
5612 Thu Dec 11 23:55:17 1997 Manfred Hollstein <manfred@s-direktnet.de>
5614 * fixincludes (strlen,strspn,strcspn return value): Handle different
5616 (hypot): Provide a fake for hypot which is broken on
5617 m88k-motorola-sysv3.
5619 Thu Dec 11 23:50:17 1997 John F. Carr <jfc@mit.edu>
5621 * tree.c, tree.h: Change tree_code_type, tree_code_length, and
5622 tree_code_name from pointers to arrays.
5623 * tree.c: Remove standard_tree_code_* variables, no longer used.
5624 * print-tree.c: Remove declaration of tree_code_name.
5626 * cp/lex.c (init_lex): Update for tree_code_* changes.
5627 * objc/objc-act.c (init_objc): Likewise.
5629 * tree.def, cp/cp-tree.def, objc/objc-tree.def: Update for tree_code
5632 Thu Dec 11 23:34:54 1997 Fred Fish <fnf@ninemoons.com>
5634 * config.sub: Add support for BeOS target.
5635 * configure.in: Likewise.
5636 * ginclude/stdarg.h: Likewise.
5637 * ginclude/stddef.h: Likewise.
5638 * ginclude/varargs.h: Likewise.
5639 * rs6000/beos.h: New file for BeOS.
5640 * rs6000/t-beos: Likewise.
5641 * rs6000/x-beos: Likewise.
5642 * rs6000/xm-beos.h: Likewise.
5643 * toplev.c (get_run_time): Just return 0 on BeOS.
5645 Thu Dec 11 23:25:23 1997 Jeffrey A Law (law@cygnus.com)
5646 Toon Moene (toon@moene.indiv.nluug.nl)
5648 * m68k.h (GO_IF_LEGITIMATE_ADDRESS): No longer cater to horribly
5649 old and broken Sun3 assemblers. Newer versions handle large
5650 offsets correctly as does the GNU assembler.
5652 Thu Dec 11 23:06:48 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
5654 * objc/objc-act.c (lang_report_error_function): Disable.
5655 * objc/objc-parse.y: Include "output.h".
5656 (yyerror): Remove redundant decl.
5657 (yyprint): Fix prototype.
5658 (apply_args_register_offset): Remove redundant decl.
5659 (get_file_function_name): Likewise.
5661 Thu Dec 11 22:02:10 1997 Jason Merrill <jason@yorick.cygnus.com>
5663 * flow.c (find_basic_blocks): A CALL_INSN that can throw starts
5665 (find_basic_blocks_1): Likewise.
5667 Thu Dec 11 21:08:48 1997 Jason Merrill <jason@yorick.cygnus.com>
5669 * except.c (use_eh_context): Don't copy_rtx a REG.
5670 (emit_throw): Lose old unwinder support.
5671 (expand_internal_throw): Likewise.
5672 * libgcc2.c (struct eh_context): Likewise.
5673 (new_eh_context): Likewise.
5674 (__get_eh_info): Lose redundant cast.
5675 (__get_dynamic_handler_chain): Likewise.
5676 (__get_saved_pc): Lose.
5677 Lose all old unwinder support code.
5679 Thu Dec 11 20:42:18 1997 Teemu Torma <tot@trema.com>
5681 Thread-safe EH support for pthreads, DCE threads and Solaris threads.
5683 * integrate.c (expand_inline_function): If the inline fn uses eh
5684 context, make sure that the current fn has one.
5685 * toplev.c (rest_of_compilation): Call emit_eh_context.
5686 * except.c (use_eh_context): New fn.
5687 (get_eh_context_once): New fn.
5688 (call_get_eh_context): New fn.
5689 (emit_eh_context): New fn.
5690 (get_eh_context): Call either get_eh_context_once or
5691 call_get_eh_context, depending on what we have.
5692 (get_dynamic_handler_chain): Call get_eh_context_once.
5693 * except.h: Prototypes for fns above.
5694 * optabs.c (get_eh_context_libfunc): Removed.
5695 (init_optabs): Don't initialize it.
5696 * expr.h (get_eh_context_libfunc): Removed.
5697 * rtl.h, rtl.c: New reg_note REG_EH_CONTEXT.
5698 * config/pa/pa.h (CPP_SPEC): Support for -threads.
5699 * config/pa/pa-hpux10.h (LIB_SPEC): Ditto.
5700 * config/pa/t-pa (MULTILIB_OPTIONS, MULTILIB_DIRNAMES):
5701 New multilib for -threads.
5702 * config/sparc/t-sol2: Added multilibs for -threads and
5703 made -pthreads alias to it.
5704 * config/sparc/sol2.h (CPP_SPEC, LIB_SPEC):
5705 Added -threads and -pthreads options.
5706 * libgcc-thr.h: New file.
5707 * libgcc2.c: (__get_cpp_eh_context): Removed.
5708 (struct cpp_eh_context): Removed.
5709 (struct eh_context): Replaced cpp_eh_context with generic language
5711 (__get_eh_info): New function.
5712 (__throw): Check eh_context::info.
5714 * libgcc2.c: Include libgcc-thr.h.
5715 (new_eh_context, __get_eh_context,
5716 eh_pthread_initialize, eh_context_initialize, eh_context_static,
5717 eh_context_specific, eh_context_free): New functions.
5718 (get_eh_context, eh_context_key): New variables.
5719 (__sjthrow, __sjpopnthrow, __eh_pcnthrow, __throw): Use
5720 get_eh_context to get the context.
5721 (longjmp): Move the declaration inside
5722 #ifdef DONT_USE_BUILTIN_SETJMP.
5723 * frame.c: Include libgcc-thr.h.
5724 (object_mutex): Mutex to protect the object list.
5725 (find_fde, __register_frame, __register_frame_table,
5726 __deregister_frame): Hold the lock while accessing objects.
5727 * except.h (get_eh_context): Declare.
5728 * except.c (current_function_ehc): Define.
5729 (current_function_dhc, current_function_dcc): Removed.
5730 (get_eh_context): New function.
5731 (get_dynamic_handler_chain): Use get_eh_context.
5732 (get_saved_pc_ref): Ditto.
5733 (get_dynamic_cleanup_chain): Removed references to
5734 current_function_dcc.
5735 (save_eh_status, restore_eh_status): Save and restore
5736 current_function_ehc instead.
5737 * optabs.c (get_eh_context_libfunc): New variable.
5738 (init_optabs): Initialize it.
5739 * expr.h: Declare get_eh_context_libfunc.
5740 * function.h (struct function): Replaced dhc and dcc with ehc.
5741 * except.c (get_saved_pc_ref): New functions.
5742 (eh_saved_pc_rtx, eh_saved_pc): Deleted.
5743 (expand_internal_throw_indirect): Use get_saved_pc_ref() instead
5745 (end_eh_unwinder): Likewise.
5746 (init_eh): Remove initialization of eh_saved_pc.
5747 * optabs.c (get_saved_pc_libfunc): New variable.
5748 (init_optabs): Initialize it.
5749 * expr.h: Declare get_saved_pc_libfunc.
5750 * except.h (eh_saved_pc_rtx): Deleted.
5751 (get_saved_pc_ref): Declared.
5753 From Scott Snyder <snyder@d0sgif.fnal.gov>:
5754 * libgcc2.c (__get_saved_pc): New.
5755 (__eh_type, __eh_pc): Deleted.
5756 (__eh_pcnthrow): Use __get_saved_pc() instead of __eh_pc.
5757 (__get_dynamic_handler_chain): Move __dynamic_handler_chain inside
5760 Thu Dec 11 17:23:48 1997 John F. Carr <jfc@mit.edu>
5762 * sparc/sol2.h: Use 64 bit multiply and divide functions in
5763 Solaris libc. Define TARGET_LIVE_G0 and TARGET_BROKEN_SAVERESTORE
5766 * rtl.h (global_rtl): New variable, replacing separate variables for
5768 (const_int_rtx): Now array of rtx_def, not rtx.
5769 * emit-rtl.c: Update for new rtl data structures.
5770 * genattrtab.c: Define global_rtl.
5772 Thu Dec 11 15:50:29 1997 David Edelsohn <edelsohn@mhpcc.edu>
5774 * configure.in ({rs6000,powerpc}-*-*): Enable Haifa scheduler by
5777 Wed Dec 10 12:30:18 1997 Anthony Green <green@cygnus.com>
5779 * crtstuff.c (__do_global_ctors): Fix typo.
5781 Tue Dec 9 09:43:59 1997 Manfred Hollstein <manfred@s-direktnet.de>
5783 * toplev.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
5784 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
5786 Tue Dec 9 09:38:58 1997 David Edelsohn <edelsohn@mhpcc.edu>
5788 * rs6000.h (FUNCTION_ARG_PADDING): Define.
5789 * rs6000.c (function_arg_padding): New function.
5791 Tue Dec 9 10:34:21 1997 Manfred Hollstein <manfred@s-direktnet.de>
5793 * m68k.c: Include tree.h only once.
5795 Tue Dec 9 09:32:33 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5797 * integrate.c (save_for_inline_copying): Make a new reg_parm_stack_loc.
5799 Tue Dec 9 01:16:06 1997 Jeffrey A Law (law@cygnus.com)
5801 * Partially cleaned up prototyping code from HJ.
5802 * tree.h: Add many prototypes.
5803 * haifa-sched.c (haifa_classify_insn): Renamed from classify_insn.
5804 All references changed.
5805 * rtl.h: Protect from multiple inclusions. Add many prototypes.
5807 Tue Dec 9 01:15:15 1997 Fred Fish <fnf@ninemoons.com>
5809 * libgcc2.c (string.h): Hoist inclusion to occur before first use of
5810 string functions like strlen.
5812 Tue Dec 9 00:57:38 1997 Manfred Hollstein <manfred@s-direktnet.de>
5814 * configure.in: Check for functions getrlimit and setrlimit.
5815 * cccp.c (main): Check HAVE_GETRLIMIT and HAVE_SETRLIMIT in addition
5816 to RLIMIT_STACK to see if we can call getrlimit and setrlimit.
5818 Mon Dec 8 23:53:26 1997 Jay Sachs <sachs@bull.cs.williams.edu>
5820 * Makefile.in (compare*): Handle losing behavior from 4.4bsd make.
5822 Mon Dec 8 21:03:28 1997 Richard Henderson <rth@cygnus.com>
5824 * alpha.c (REG_RA, alpha_return_addr, output_epilog):
5827 * alpha.c (override_options): Don't know about scheduling for EV6.
5828 * alpha.md (ev5 function units): Don't overload as ev6.
5830 * alpha.c (alpha_adjust_cost): Simplify. Fix typo in ev5 mult case.
5831 * alpha.md (define_attr type): Add mvi.
5832 (ev5_e0): Define sceduling parameters for it.
5833 (TARGET_MAX insns): Type is mvi not shift.
5835 Mon Dec 8 18:15:00 1997 Richard Henderson <rth@cygnus.com>
5837 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix backported gcc-2.8 bug.
5839 Mon Dec 8 21:17:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5841 * cstamp-h, auto-config.h: Delete.
5843 Sun Dec 7 19:19:03 1997 Jeffrey A Law (law@cygnus.com)
5845 * version.c: Bump for snapshot.
5847 Sat Dec 6 22:22:22 1997 Jeffrey A Law (law@cygnus.com)
5849 * cccp.c: Fix typo brought over in merge.
5851 * Merge in changes from gcc-2.8.
5853 Mon Nov 3 05:45:32 1997 Philippe De Muyter <phdm@macqel.be>
5855 * m68k.c: Include tree.h for dwarf2out_cfi_label.
5857 * gcc.c (process_command): Do not take address of function fatal when
5858 calling lang_specific_driver.
5860 Sat Dec 6 01:02:38 1997 Mumit Khan <khan@xraylith.wisc.edu>
5862 * config/i386/cygwin32.h (DWARF2_UNWIND): Exception handling
5863 doesn't work with it yet, so set it to 0.
5864 * config/i386/xm-cygwin32.h (NO_SYS_SIGLIST): Define.
5866 Sat Dec 6 01:01:02 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
5868 * cse.c (cse_insn): Check for invalid entries when taking references.
5870 Fri Dec 5 18:26:25 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5872 * loop.c (invariant_p): Don't test flag_rerun_loop_opt.
5873 (loop_optimize, scan_loop, strength_reduce): New argument unroll_p.
5874 * toplev.c (rest_of_compilation): Pass it. Remove code to
5875 save / clear / restore flag_unroll_{,all_}loops.
5877 Fri Dec 5 16:26:03 1997 Bernd Schmidt <crux@ohara.Informatik.RWTH-Aachen.DE>
5879 * i386.c (notice_update_cc): Remove bogus pentium GCC code.
5881 Fri Dec 5 16:25:14 1997 Jeffrey A Law (law@cygnus.com)
5883 * stmt.c (warn_if_unused_value): Don't warn for TRY_CATCH_EXPR.
5885 Thu Dec 4 11:51:00 1997 Jason Merrill <jason@yorick.cygnus.com>
5887 * except.c (get_dynamic_handler_chain): Only make the call once per
5890 * except.c (expand_end_all_catch): Fix for sjlj exceptions.
5892 Thu Dec 4 12:30:40 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
5894 * sh.c (final_prescan_insn): Use local label prefix
5895 when emitting .uses pseudo-ops.
5897 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5899 * libgcc2.c (__throw): Use __builtin_return_addr instead of __eh_pc.
5900 * except.c: Lose outer_context_label_stack.
5901 (expand_eh_region_end): Rethrow from outer_context here.
5902 (expand_fixup_region_end): Let expand_eh_region_end do the rethrow.
5903 (expand_internal_throw): Take no args.
5904 (expand_internal_throw_indirect): Lose.
5905 (expand_leftover_cleanups, expand_start_all_catch): Use expand_rethrow.
5906 (expand_start_all_catch): Start a rethrow region.
5907 (expand_end_all_catch): End it.
5908 (expand_rethrow): New fn.
5909 * except.h: Reflect above changes.
5910 * flow.c: Revert change of Nov 27.
5912 Thu Dec 4 00:24:09 1997 Jeffrey A Law (law@cygnus.com)
5914 * i386/t-sol2 (CRTSTUFF_T_CFLAGS): Turn on the optimizer.
5916 Wed Dec 3 12:01:56 1997 Jason Merrill <jason@yorick.cygnus.com>
5918 * except.c (expand_fixup_region_end): New fn.
5919 (expand_fixup_region_start): Likewise.
5920 (expand_eh_region_start_tree): Store cleanup into finalization here.
5921 * stmt.c (expand_cleanups): Use them to protect fixups.
5923 Wed Dec 3 11:41:13 1997 Gavin Koch <gavin@cygnus.com>
5925 * mips/mips.md (muldi3_r4000): Broaden the output template
5926 and attribute assignments to handle three operand dmult;
5927 rename to muldi3_internal2.
5928 (muldi3): Call the new muldi3_internal2 for R4000, and
5929 any GENERATE_MULT3 chip.
5931 Tue Dec 2 19:40:43 1997 Jason Merrill <jason@yorick.cygnus.com>
5933 * stmt.c (expand_decl_cleanup): Update thisblock after eh_region_start.
5935 Tue Dec 2 12:54:33 1997 Jim Wilson <wilson@cygnus.com>
5937 * unroll.c (find_splittable_givs): Remove last change. Handle givs
5938 with a dest_reg that was created by loop.
5940 Sat Nov 29 12:44:57 1997 David Edelsohn <edelsohn@mhpcc.edu>
5942 * rs6000.c (function_arg_partial_nregs): Undo Nov. 26 patch.
5944 * rs6000/aix41.h (ASM_CPU_SPEC): Define.
5946 Fri Nov 28 10:00:27 1997 Jeffrey A Law (law@cygnus.com)
5948 * configure.in: Fix NCR entries.
5950 Thu Nov 27 12:20:19 1997 Jeffrey A Law (law@cygnus.com)
5952 * flow.c (find_basic_blocks): Handle cfg issues for rethrows and
5953 nested exceptions correctly.
5955 * unroll.c (find_splittable_givs): Don't split givs with a dest_reg
5956 that was created by loop.
5958 Thu Nov 27 09:34:58 1997 Jason Merrill <jason@yorick.cygnus.com>
5960 * expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
5962 * except.c (expand_start_all_catch): One more do_pending_stack_adjust.
5964 Wed Nov 26 15:47:30 1997 Michael Meissner <meissner@cygnus.com>
5966 * rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
5967 (print_operand): Use SMALL_DATA_REG for the register involved in
5968 small data relocations.
5969 (print_operand_address): Ditto.
5971 * rs6000/linux.h (LINK_SPEC): Pass -dynamic-linker /lib/ld.so.1 if
5972 -dynamic linker is not used.
5974 * rs6000.md (call insns): For local calls, use @local suffix under
5975 System V. Don't use @plt under Solaris.
5977 * rs6000.c (output_function_profiler): Put label address in r0, and
5978 store LR in 4(sp) for System V/eabi.
5980 * rs6000.h (ASM_OUTPUT_REG_{PUSH,POP}): Keep stack aligned to 16
5981 byte boundary, and maintain stack backchain.
5983 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
5985 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
5986 fix_truncsfdi2): Change *.
5988 Wed Nov 26 11:12:26 1997 Jason Merrill <jason@yorick.cygnus.com>
5990 * toplev.c (main): Complain about -gdwarfn.
5992 Tue Nov 25 22:43:30 1997 Jason Merrill <jason@yorick.cygnus.com>
5994 * dwarfout.c (output_type): If finalizing, write out nested types
5995 of types we've already written.
5997 Tue Nov 25 20:32:24 1997 Michael Meissner <meissner@cygnus.com>
5999 (patches originally from Geoffrey Keating)
6000 * rs6000.c (function_arg): Excess floating point arguments don't
6001 go into GPR registers after exhausting FP registers under the
6003 (function_arg_partial_nregs): Ditto.
6005 * rs6000.md (call insns): If -fPIC or -mrelocatable, add @plt
6008 Tue Nov 25 23:37:27 1997 Jason Merrill <jason@yorick.cygnus.com>
6010 * integrate.c (output_inline_function): Just unset DECL_INLINE.
6012 Tue Nov 25 23:33:29 1997 scott snyder <snyder@d0sgif.fnal.gov>
6014 * dwarf2out.c (outout_call_frame_info): Ensure that the info has
6017 * libgcc2.c (__throw): Initialize HANDLER.
6019 Tue Nov 25 14:08:12 1997 Jim Wilson <wilson@cygnus.com>
6021 * mips.md (fix_truncdfsi2, fix_truncsfsi2, fix_truncdfdi2,
6022 fix_truncsfdi2): Change *X to ?*X.
6024 Tue Nov 25 10:00:42 1997 Richard Henderson (rth@cygnus.com)
6026 * alpha.h (CONST_OK_FOR_LETTER): Fix 'L' handling.
6028 Tue Nov 25 10:00:42 1997 Jeffrey A Law (law@cygnus.com)
6030 * crtstuff.c (do_global_dtors_aux): Handle multiple calls better.
6032 Tue Nov 25 01:26:55 1997 Bruno Haible <haible@ilog.fr>:
6034 * dwarf2out.c (ASM_OUTPUT_DWARF_DELTA1): Implement.
6036 Mon Nov 24 22:41:55 1997 Jason Merrill <jason@yorick.cygnus.com>
6038 * except.c (get_dynamic_handler_chain): Build up a FUNCTION_DECL.
6039 * optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
6042 Sat Nov 22 18:58:20 1997 Jeffrey A Law (law@cygnus.com)
6044 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
6045 * pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
6046 gas and not using the new HP assembler.
6048 Fri Nov 21 15:20:05 1997 Jeffrey A Law (law@cygnus.com)
6050 * Makefile.in (program_transform_cross_name): Clean up "-e" confusion.
6051 (GCC_INSTALL_NAME, GCC_CROSS_NAME): Likewise.
6053 Fri Nov 21 19:37:40 1997 Andrew Cagney <cagney@b1.cygnus.com>
6055 * config/mips/elf64.h (MULTILIB_DEFAULTS): Test for
6056 TARGET_ENDIAN_DEFAULT == zero instead of testing for macro
6059 Fri Nov 21 12:49:56 1997 Bruno Haible <bruno@linuix.mathematik.uni-karlsruhe.de>
6061 * stmt.c (expand_end_bindings): Allow jump into block with cleanups.
6063 Fri Nov 21 12:18:51 1997 Jason Merrill <jason@yorick.cygnus.com>
6065 * except.h: Add outer_context_label_stack.
6066 * except.c: Likewise.
6067 (expand_start_all_catch): Push the outer_context for the try block
6068 onto outer_context_label_stack.
6069 (expand_end_all_catch): Use it and pop it.
6071 Fri Nov 21 10:13:11 1997 Robert Lipe (robertl@dgii.com)
6073 * i386/sco5.h (HAVE_ATEXIT): Revert last change.
6075 Thu Nov 20 16:11:50 1997 Richard Henderson <rth@cygnus.com>
6077 * alpha.c (alpha_emit_set_const_1): Handle narrow hosts better.
6079 Thu Nov 20 16:11:50 1997 Klaus Kaempf <kkaempf@progis.de>
6081 * alpha/vms.h (ASM_OUTPUT_ADDR_VEC_ELT): Add an L for the local label
6082 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
6084 Thu Nov 20 14:42:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6086 * Makefile.in (LIB2FUNCS): Remove C++ memory management support.
6087 * libgcc2.c: Remove __builtin_new, __builtin_vec_new, set_new_handler,
6088 __builtin_delete, and __builtin_vec_delete.
6090 * except.c (output_exception_table): Don't bother with
6093 Thu Nov 20 16:11:50 1997 Jeffrey A Law (law@cygnus.com)
6095 * pa.md (pre_stwm, post_stwm, pre_ldwm, post_ldwm): Base register
6096 is an in/out operand.
6097 (zero extended variants of stwm/stwm patterns): Similarly.
6099 * mips/x-iris (FIXPROTO_DEFINES): Add -D_SGI_SOURCE.
6101 Thu Nov 20 13:19:32 1997 Jason Merrill <jason@yorick.cygnus.com>
6103 * dwarf2out.c (ASM_OUTPUT_DWARF_OFFSET4): Rename from VALUE4.
6105 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Use assemble_name.
6106 (output_call_frame_info): Emit a \n after using it.
6108 Thu Nov 20 00:38:46 1997 Dave Love <d.love@dl.ac.uk>
6110 * configure.in: Add AC_ARG_ENABLE for Haifa as documentation.
6112 Wed Nov 19 12:03:04 1997 Philippe De Muyter <phdm@macqel.be>
6114 * dwarf2out.c (CIE_LENGTH_LABEL, FDE_LENGTH_LABEL): New macros.
6115 (ASM_OUTPUT_DWARF_VALUE4): New macro.
6116 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Define if SET_ASM_OP is
6118 (output_call_frame_info): Do not output forward label differences
6119 if ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL is defined.
6120 * m68k/mot3300.h (SET_ASM_OP): Define when not using gas.
6122 Tue Nov 18 23:03:30 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6124 * sh.md (attribute "type"): Add nil.
6125 (movsi_ie): y/y alternative is type nil.
6126 (movsf_ie): Replace ry/yr/X alternative by r/y/X , y/r/X and y/y/X
6128 (movsf_ie+1): Delete.
6130 Tue Nov 18 15:39:59 1997 Jim Wilson <wilson@cygnus.com>
6132 * mips/mips.c (save_restore_insns): If gp_offset or fp_offset are
6133 large_int, emit two insns instead of one splitable insn.
6134 * dwarf2out.c (dwarf2out_frame_debug): When set cfa_store_offset
6135 from cfa_temp_value, use cfa_offset. Add assert checking that
6138 Mon Nov 17 15:35:38 1997 Tom Tromey <tromey@cygnus.com>
6140 * cccp.c (deps_output): Properly quote file names for make.
6142 Mon Nov 17 13:21:40 1997 Jeffrey A Law (law@cygnus.com)
6144 * t-h8300 (MULTILIB_EXCEPTIONS): Define.
6146 Fri Nov 7 15:33:11 1997 Robert Lipe (robertl@dgii.com)
6148 * i386/sco5.h (HAVE_ATEXIT): Delete definition.
6150 Sun Nov 16 23:52:48 1997 Jeffrey A Law (law@cygnus.com)
6152 * cse.c (cse_insn): Don't look at JUMP_LABEL field of a conditionl
6154 (cse_end_of_basic_block): Similarly.
6156 Sun Nov 16 23:01:40 1997 J. Kean Johnston <jkj@sco.com>
6158 * i386/sco5.h (ASM_OUTPUT_ALIGNED_BSS): Define.
6159 (SELECT_RTX_SECTION): Define.
6160 (LIBGCC_SPEC, LIB_SPEC): Do the right thing for PIC.
6162 Sun Nov 16 22:47:03 1997 Manfred Hollstein <manfred@s-direktnet.de>
6164 * Makefile.in (compare, compare-lean): Define $stage for each
6166 (gnucompare, gnucompare-lean): Likewise.
6168 Sun Nov 16 22:02:16 1997 Richard Henderson (rth@cygnus.com)
6170 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE): Fix offsets.
6172 * alpha.h (ASM_OUTPUT_ADDR_DIFF_ELT): Add an L for the local label
6173 to correspond with the change to ASM_GENERATE_INTERNAL_LABEL.
6175 Fri Nov 14 09:09:20 1997 Fred Fish (fnf@cygnus.com)
6177 * dwarfout.c (byte_size_attribute): Add local var upper_bound
6178 and add case to handle STRING_TYPE.
6179 * dwarfout.c (output_string_type_die): Fix code to generate
6180 correct string length attribute for fixed length strings.
6181 Still needs support for varying length strings.
6183 Fri Nov 14 08:46:56 1997 Jeffrey A Law (law@cygnus.com)
6185 * toplev.c (get_run_time): Do something sensible for cygwin32.
6187 Fri Nov 14 07:24:20 1997 Richard Henderson <rth@cygnus.com>
6189 * expr.c (expand_builtin_setjmp): Set
6190 current_function_has_nonlocal_label.
6191 * stupid.c (stupid_life_analysis): If has_nonlocal_label, kill
6192 call-saved registers across calls.
6194 * alpha.md (exception_receiver): Remove.
6195 (nonlocal_goto_receiver_osf): New
6196 (nonlocal_goto_receiver_vms): Renamed from nonlocal_goto_receiver.
6197 (nonlocal_goto_receiver): New, select _osf or _vms.
6199 * alpha.c (output_prolog [*]): Prefix entry labels with '$' to
6200 keep them from being propogated to the object file.
6201 (alpha_write_linkage): Likewise.
6202 * alpha.md (call_vms): Likewise.
6203 (call_value_vms): Likewise.
6204 (unnamed osf call insns): Likewise.
6206 * alpha.h (ASM_OUTPUT_INTERNAL_LABEL): Don't omit L from local label.
6207 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
6209 * alpha.c (call_operand): Any reg is valid for WinNT.
6210 * alpha.md (call_nt, call_value_nt): Don't force address into $27.
6211 (anon nt calls): Add 'R' alternative.
6212 * alpha/win-nt.h (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE,
6213 INITIALIZE_TRAMPOLINE): Handle lack of original $27 and 32-bit ptrs.
6215 Fri Nov 14 06:59:33 1997 Jeffrey A Law (law@cygnus.com)
6217 * calls.c (expand_call): Handle pcc_struct_value correctly for C++.
6219 * i386/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Delete defines.
6220 * i386/xm-mingw32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
6221 * rs6000/xm-cygwin32.h (HAVE_FILE_H, HAVE_RUSAGE): Likewise.
6223 Thu Nov 13 20:37:33 1997 Michael Meissner <meissner@tiktok.cygnus.com>
6225 * reload1.c (new_spill_reg): Improve fixed or forbidden register
6226 spill error message.
6228 Thu Nov 13 20:29:08 1997 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6230 * prefix.c: Use stdarg.h only ifdef __STDC__. Otherwise,
6231 use varargs.h. Wrap header with <>, not "".
6233 Thu Nov 13 20:21:17 1997 Jeffrey A Law (law@cygnus.com)
6235 * integrate.c (save_for_inline_copying): Add return value from
6238 Thu Nov 13 19:12:33 1997 Brendan Kehoe <brendan@cygnus.com>
6240 * fixincludes: Be a little more restrictive on what we will
6241 substitute to replace definitions of MAXINT for HPUX.
6243 Thu Nov 13 18:41:02 1997 Michael Meissner <meissner@cygnus.com>
6245 * dbxout.c (dbxout_symbol_location): Don't assume that variables
6246 whose address is the stack or argument pointers are indirect
6249 1997-11-13 Paul Eggert <eggert@twinsun.com>
6251 * cccp.c, cpplib.c (compare_defs):
6252 Don't complain about arg name respellings unless pedantic.
6253 * cpplib.c (compare_defs): Accept pfile as new arg.
6254 All callers changed.
6256 Thu Nov 13 23:33:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6258 * fold-const.c (fold_truthop): Fix bug in last change.
6260 1997-11-13 Paul Eggert <eggert@twinsun.com>
6262 Fix some confusion with IEEE minus zero.
6264 * real.h (REAL_VALUES_IDENTICAL): New macro.
6266 * expr.c (is_zeros_p): Don't consider -0.0 to be all zeros.
6267 * fold-const.c (operand_equal_p): Don't consider -0.0 to be
6269 * tree.c (simple_cst_equal): Don't consider -0.0 to have the
6270 same tree structure as 0.0.
6272 * varasm.c (immed_real_const_1): Use new REAL_VALUES_IDENTICAL
6273 macro instead of doing it by hand.
6275 Thu Nov 13 16:56:14 1997 Jeffrey A Law (law@cygnus.com)
6277 * v850/lib1funcs.asm: Minor whitespace changes.
6278 * v850.c: Fix minor formatting problems in many places.
6279 (construct_restore_jr, construct_save_jarl): Remove unwanted aborts.
6281 Thu Nov 13 12:53:44 1997 Jim Wilson <wilson@cygnus.com>
6283 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Delete code swapping xplus0 and
6284 xplus1 when xplus0 is not a register.
6286 Thu Nov 13 11:41:42 1997 Jeffrey A Law (law@cygnus.com)
6288 * flow.c (find_basic_blocks): During marking phase, if we encounter
6289 an insn with a REG_LABEL note, make the target block live and
6290 create an edge from the insn to the target block. Do not make
6291 edges from all blocks to the target block.
6293 * m68k/x-next (OTHER_FIXINCLUDES_DIRS): Include /NextDeveloper/Headers.
6295 * confiugre.in: Tweak NCR entries.
6296 * configure: Rebuilt.
6298 Thu Nov 13 11:07:41 1997 Michael Meissner <meissner@cygnus.com>
6300 * rs6000.c (num_insns_constant): Use REAL_VALUE_FROM_CONST_DOUBLE to
6301 pick apart floating point values, instead of using CONST_DOUBLE_LOW
6302 and CONST_DOUBLE_HIGH.
6304 * rs6000.md (define_splits for DF constants): Use the appropriate
6305 REAL_VALUE_* interface to pick apart DF floating point constants in
6306 a machine independent fashion.
6308 Thu Nov 13 00:06:58 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6310 * fold-const.c (fold_truthop): When changing a one-bit comparison
6311 against zero into a comparison against mask, do a proper sign
6314 Wed Nov 12 09:37:01 1997 Jeffrey A Law (law@cygnus.com)
6316 * except.c: Do not include "assert.h".
6317 (save_eh_status): Turn asserts into conditional aborts.
6318 (restore_eh_status, scan_region): Likewise.
6319 * dwarfout.c: Do not include "assert.h".
6320 (bit_offset_attribute): Turn asserts into conditional aborts.
6321 (bit_size_attribute, output_inlined_enumeration_type_die): Likewise.
6322 (output_inlined_structure_type_die): Likewise.
6323 (output_inlined_union_type_die): Likewise
6324 (output_tagged_type_instantiation): Likewise.
6325 (dwarfout_file_scope_decl): Likewise.
6326 * dwarf2out.c: Do not include "assert.h"
6327 (expand_builtin_dwarf_reg_size): Turn asserts into conditional aborts.
6328 (reg_save, initial_return_save, dwarf2out_frame_debug): Likewise.
6329 (add_child_die, modified_type_die, add_bit_offset_attribute): Likewise.
6330 (add_bit_size_attribute, scope_die_for): Likewise.
6331 (output_pending_types_for_scope): Likewise.
6332 (get_inlined_enumeration_type_die): Likewise.
6333 (get_inlined_structure_type_die): Likewise.
6334 (get_inlined_union_type_die, gen_subprogram_die): Likewise.
6335 (gen_tagged_type_instantiation_die): Likewise.
6337 * flow.c (find_basic_blocks): Refine further to get a more correct
6338 cfg, especially in the presense of exception handling, computed
6339 gotos, and other non-trivial cases. Call abort if an inaccuracy
6340 is detected in the cfg.
6342 Tue Nov 11 21:47:27 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6344 * glimits.h (SHRT_MIN): Define in a way suitable for 16 bit hosts.
6346 * c-lex.c (whitespace_cr, skip_white_space_on_line): New functions.
6347 (skip_white_space): Use whitespace_cr.
6348 (check_newline): Handle whitespace more consistently.
6350 Tue Nov 11 16:25:49 1997 Jim Wilson <wilson@cygnus.com>
6352 * i386/cygwin32.h (CPP_PREDEFINES): Delete -DPOSIX.
6353 * i386/xm-cygwin32.h (POSIX): Define.
6355 Mon Nov 10 20:53:11 1997 Gavin Koch <gavin@cygnus.com>
6357 * config/mips/mips.h (MASK_DEBUG_H): Set to zero, so this bit
6358 is available elsewhere.
6360 Mon Nov 10 16:21:58 1997 Doug Evans <devans@canuck.cygnus.com>
6362 * sparc/sparc.md (mov[sdt]f_const_insn): Fix condition to match
6363 what the instruction can handle.
6365 Mon Nov 10 03:02:19 1997 Jason Merrill <jason@yorick.cygnus.com>
6367 * stmt.c (expand_decl_cleanup_no_eh): New fn.
6369 * except.c (expand_leftover_cleanups): do_pending_stack_adjust.
6371 Mon Nov 10 00:05:56 1997 Jeffrey A Law (law@cygnus.com)
6373 * alias.c (MAX_ALIAS_LOOP_PASSES): Define.
6374 (init_alias_analysis): Break out of loops after MAX_ALIAS_LOOP_PASSES.
6376 Sun Nov 9 14:34:47 1997 David Edelsohn <edelsohn@mhpcc.edu>
6378 * rs6000.md (lshrdi3_power): Delete '&' from first alternative and
6379 swap instruction order.
6381 Sun Nov 9 02:07:16 1997 Jeffrey A Law (law@cygnus.com)
6383 * fixinc.svr4 (__STDC__): Add another case.
6385 Sun Nov 9 02:00:29 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6387 * a29k.h (ELIGIBLE_FOR_EPILOGUE_DELAY): Avoid loads from varying
6388 addresses in the epilogue delay slot.
6390 Sun Nov 9 01:40:40 1997 Manfred Hollstein (manfred@s-direktnet.de)
6392 * m88k/dgux.h (ASM_CPU_SPEC): Reformatted to suppress wrong whitespace
6393 in generated `specs' file.
6395 Sun Nov 9 01:37:11 1997 Jim Wilson (wilson@cygnus.com)
6397 * flags.h (flag_rerun_loop_opt): Declare.
6398 * loop.c (invariant_p, case LABEL_REF): Check flag_rerun_loop_opt.
6399 * toplev.c (flag_rerum_loop_opt): Delete static.
6401 Sat Nov 8 18:20:21 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6403 Bring over from FSF:
6405 Thu Oct 30 12:21:06 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6407 * va-sh.h (__va_arg_sh1): Define.
6409 SH3E doesn't use any integer registers for subsequent arguments
6410 once a non-float value was passed in the stack.
6411 * sh.c (machine_dependent_reorg): If optimizing, put explicit
6412 alignment in front label for ADDR_DIFF_VEC.
6413 * sh.h (PASS_IN_REG_P): Fix SH3E case.
6414 (ADJUST_INSN_LENGTH): If not optimizing, add two extra bytes length.
6416 Tue Oct 28 15:06:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6418 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Undefine before including
6421 Mon Oct 27 16:11:52 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6423 * sh.c (machine_dependent_reorg): When -flag_delayed_branches,
6424 put an use_sfunc_addr before each sfunc.
6425 * sh.md (use_sfunc_addr, dummy_jump): New insns.
6426 (casesi): For TARGET_SH2, emit a dummy_jump after LAB.
6428 Tue Oct 21 07:12:28 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6430 * sh/elf.h (PREFERRED_DEBUGGING_TYPE): Don't redefine.
6432 Fri Nov 7 10:22:24 1997 Jason Merrill <jason@yorick.cygnus.com>
6434 * frame.c (add_fdes, count_fdes): Go back to checking pc_begin for
6437 Wed Nov 5 14:26:05 1997 Jeffrey A Law (law@cygnus.com)
6439 * alias.c (find_base_value): Only return the known base value for
6442 Wed Nov 5 11:27:14 1997 Jim Wilson <wilson@cygnus.com>
6444 * i386.c (load_pic_register): Call prologue_get_pc_and_set_got.
6445 * i386.md (prologue_set_got, prologue_get_pc): Add UNSPEC_VOLATILE
6447 (prologue_get_pc_and_set_got): New pattern.
6449 Tue Nov 4 20:36:50 1997 Richard Henderson (rth@cygnus.com)
6451 * alpha.c (summarize_insn): Handle ASM_OPERANDS. Don't recurse
6452 for SUBREG, just fall through.
6454 * alpha.c (alpha_handle_trap_shadows): Init sum.defd to zero.
6456 * alpha.md (attr trap): Make TRAP_YES non-zero for sanity's sake.
6458 Tue Nov 4 18:49:42 1997 Jeffrey A Law (law@cygnus.com)
6460 * fixincludes: Fix "hypot" prototype in NeXT math.h.
6462 * Makefile.in (USE_ALLOCA): Always include alloca.o.
6463 (USE_HOST_ALLOCA): Likewise.
6465 * rtl.def (CODE_LABEL): Use separate fields for LABEL_NUSES
6466 and LABEL_REFS fields.
6467 * rtl.h (LABEL_REFS): Update.
6469 Tue Nov 4 16:55:11 1997 Jim Wilson <wilson@cygnus.com>
6471 * combine.c (try_combine): When setting elim_i2, check whether newi2pat
6472 sets i2dest. When calling distribute_notes for i3dest_killed, pass
6473 elim_i2 and elim_i1. When setting elim_i1, check if newi2pat
6476 * mips.md (insv, extzv, extv): Add change_address call.
6477 (movsi_ulw, movsi_usw): Change QImode to BLKmode in pattern.
6479 * integrate.c (save_for_inline_copying): Copy parm_reg_stack_loc.
6481 * reload.c (find_reloads, case 'm' and 'o'): Reject HIGH constants.
6483 * mips.c (mips_expand_epilogue): Emit blockage insn before call to
6484 save_restore_insns if no FP and GP will be restored.
6486 * dwarf2out.c (expand_builtin_dwarf_reg_size): New variable mode.
6487 Convert CCmode to word_mode before calling GET_MODE_SIZE.
6489 * acconfig.h (HAVE_INTTYPES_H): Undef.
6490 * configure.in (inttypes.h): Check for conflicts between sys/types.h
6491 and inttypes.h, and verify that intmax_t is defined.
6492 * config/mips/x-iris (CC, OPT, OLDCC): Comment out.
6493 * config/mips/x-iris3: Likewise.
6495 Tue Nov 4 16:07:15 1997 Jeffrey A Law (law@cygnus.com)
6497 * alias.c (find_base_value): When copying arguments, return the
6498 tenative value for a hard register.
6500 Tue Nov 4 13:40:35 1997 Doug Evans <devans@canuck.cygnus.com>
6502 * c-lex.c (MULTIBYTE_CHARS): #undef if cross compiling.
6503 (yylex): Record wide strings using target endianness, not host.
6505 Tue Nov 4 13:13:12 1997 Jeffrey A Law (law@cygnus.com)
6507 * mn10200.h (ASM_OUTPUT_BSS): Delete.
6508 (ASM_OUTPUT_ALIGNED_BSS): New macro
6509 * mn10300.h (ASM_OUTPUT_BSS): Delete.
6510 (ASM_OUTPUT_ALIGNED_BSS): New macro.
6511 * v850.h (ASM_OUTPUT_BSS): Delete.
6512 (ASM_OUTPUT_ALIGNED_BSS): New macro.
6514 Tue Nov 4 00:55:48 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6516 * profile.c (branch_prob): Insert an insn after a NOTE_INSN_SETJMP.
6518 Mon Nov 3 14:36:50 1997 Jeffrey A Law (law@cygnus.com)
6520 * configure.in (sco5): Use cpio to install header files.
6522 Sun Nov 2 23:31:43 1997 Manfred Hollstein <manfred@s-direktnet.de>
6524 * aclocal.m4 (conftestdata_from, conftestdata_to): Names shortened to
6526 * configure: Rebuild.
6528 Sun Nov 2 19:44:00 1997 Robert Lipe (robertl@dgii.com)
6530 * i386/sco5.h: enable -gstabs once again.
6532 Sun Nov 2 19:27:21 1997 Jeffrey A Law (law@cygnus.com)
6534 * arm.c (output_move_double): Allocate 3 entries in otherops array.
6536 Sat Nov 1 21:43:00 1997 Mike Stump (mrs@wrs.com)
6538 * except.c (expand_ex_region_start_for_decl): Emit EH_REGION_BEG
6539 notes for sjlj exceptions too.
6540 (expand_eh_region_end): Similarly for EH_REGION_END notes.
6541 (exception_optimize): Optimize EH regions for sjlj exceptions too.
6542 * final.c (final_scan_insn): Don't output labels for EH REGION
6543 notes if doing sjlj exceptions.
6545 Sat Nov 1 19:15:28 1997 Jeffrey A Law (law@cygnus.com)
6547 * alias.c (init_alias_analysis): Handle -fno-alias-check when
6548 optimizing correctly.
6550 * expr.c (expand_builtin_setjmp): Don't emit a SETJMP note
6551 or set current_function_calls_setjmp anymore.
6553 * flow.c (find_basic_blocks): If we delete the label for an
6554 exception handler, remove it from the EH label list and remove
6555 the EH_BEGIN/EH_END notes for that EH region.
6557 Sat Nov 1 16:44:49 1997 Jason Merrill (jason@cygnus.com)
6559 * flow.c (find_basic_blocks): Generate correct flow control
6560 information when exception handling notes are present.
6562 Sat Nov 1 13:42:19 1997 Jeffrey A Law (law@cygnus.com)
6564 * dwarf2out.c (output_call_frame_info): Fix length argument
6565 to ASM_OUTPUT_ASCII.
6566 (output_die, output_pubnames, output_line_info): Likewise.
6568 Fri Oct 31 07:10:09 1997 Jeffrey A Law (law@cygnus.com)
6570 * version.c: Bump for snapshot.
6572 * dwarf2out.c (output_call_frame_info): Use ASM_OUTPUT_ASCII to
6573 output ASCII by default. Only use ASM_OUTPUT_DWARF_STRING if
6574 flag_debug_asm is on.
6575 (output_die, output_pubnames, output_line_info): Likewise.
6577 * alias.c (init_alias_analysis): Add struct_value_incoming_rtx
6578 and static_chain_rtx into the potential base values array if
6581 * alias.c (new_reg_base_value): New array of potential base values.
6582 (unique_id): Now file scoped static.
6583 (find_base_value, case REG): Return the value in reg_base_value
6584 array for the REG if it exists. Else, return the value from
6585 new_reg_base_value if copying args and REG is a hard register.
6586 (find_base_value, case PLUS): If either operand of the PLUS is
6587 a REG, try to get its base value. Handle base + index and
6589 (record_set): Use new_reg_base_value instead of reg_base_value.
6590 (init_alias_analysis): Allocate space for new_reg_base_value too.
6591 Rework code to iterate over the insns propagating base value
6592 information until nothing changes.
6594 * global.c (global_alloc): Free the conflict matrix after
6595 reload has finished.
6597 Fri Oct 31 01:45:31 1997 Jason Merrill <jason@yorick.cygnus.com>
6599 * libgcc2.c (L_eh): Define __eh_pc.
6600 Replace __eh_type with generic pointer __eh_info.
6602 Fri Oct 31 00:34:55 1996 J"orn Rennecke <amylaar@cygnus.co.uk>
6604 * expr.c (expand_increment): When enqueing a postincrement for a MEM,
6605 use copy_to_reg if address is not a general_operand.
6607 Fri Oct 31 00:16:55 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6609 * profile.c (output_func_start_profiler): Clear flag_inline_functions
6610 for the duration of the call to rest_of_compilation.
6612 Thu Oct 30 14:40:10 1997 Doug Evans <devans@canuck.cygnus.com>
6614 * configure.in (sparc-*-elf*): Use sparc/elf.h, sparc/t-elf.
6616 (sparc*-*-*): Recognize --with-cpu=v9.
6617 * sparc/elf.h: New file.
6618 * sparc/t-elf: New file.
6620 Thu Oct 30 13:26:12 1997 Jeffrey A Law (law@cygnus.com)
6622 * mn10300.c (const_8bit_operand): New function.
6623 (mask_ok_for_mem_btst): New funtion.
6624 * mn10300.md (btst patterns with mem operands): Use new functions
6625 to avoid creating btst instructions with invalid operands.
6627 Wed Oct 29 16:57:19 1997 Michael Meissner <meissner@cygnus.com>
6629 * rs6000/xm-sysv4.h: Include xm-linux.h instead of xm-svr4.h if we
6630 are running on PowerPC Linux.
6632 Wed Oct 29 13:10:11 1997 Gavin Koch <gavin@cygnus.com>
6634 * config/mips/elf64.h (PREFERRED_DEBUGGING_TYPE): Only define
6635 if not previously defined.
6637 Tue Oct 28 23:55:27 1997 Doug Evans (devans@cygnus.com)
6639 * function.c (assign_parms): Correct mode of stack_parm if
6640 entry_parm underwent a mode conversion.
6642 1997-10-28 Brendan Kehoe <brendan@lisa.cygnus.com>
6644 * global.c (global_alloc): Use xmalloc instead of alloca for
6645 CONFLICTS, since max_allocno * allocno_row_words alone can be more
6646 than 2.5Mb sometimes.
6648 Tue Oct 28 15:29:15 1997 Richard Henderson <rth@cygnus.com>
6650 * reload1.c (eliminate_regs [SET]): If [SUBREG] widened the mode of
6651 DEST for the spill, adjust mode of SRC to compensate.
6653 Tue Oct 28 14:36:45 1997 Richard Henderson <rth@cygnus.com>
6655 * alpha.md (reload_inqi): Check for MEM before strict_memory_address_p,
6656 since any_memory_operand() allows pseudos during reload.
6657 (reload_inhi, reload_outqi, reload_outhi): Likewise.
6659 Tue Oct 28 11:53:14 1997 Jim Wilson <wilson@cygnus.com>
6661 * m68k.md (btst patterns): Add 5200 support.
6663 Tue Oct 28 11:58:40 1997 Toon Moene <toon@moene.indiv.nluug.nl>
6665 * fold-const.c (fold): For ((a * C1) / C3) or (((a * C1) + C2) / C3)
6666 optimizations, look inside dividend to determine if the expression
6667 can be simplified by using EXACT_DIV_EXPR.
6669 Tue Oct 28 10:19:01 1997 Jason Merrill <jason@yorick.cygnus.com>
6672 * dwarf2out.c (output_call_frame_info): Use l1 instead of ".".
6674 Tue Oct 28 00:32:14 1997 Richard Henderson <rth@cygnus.com>
6676 * alpha.c (summarize_insn [SUBREG]): Propogate SET.
6678 Mon Oct 27 23:59:26 1997 Richard Henderson <rth@cygnus.com>
6680 * alpha.c (alpha_handle_trap_shadows): Don't call get_attr_trap
6683 Mon Oct 27 21:25:20 1997 Richard Henderson <rth@cygnus.com>
6685 * alpha.md (movqi, movhi): Make sure new insns created during reload
6686 won't need reloading themselves.
6687 (reload_inqi, reload_inhi, reload_outqi, reload_outhi): Likewise.
6689 Mon Oct 27 16:11:10 1997 Jeffrey A Law (law@cygnus.com)
6691 * mn10300.h (GO_IF_LEGITIMATE_ADDRESS): Disable reg+reg.
6693 Sun Oct 26 13:50:44 1997 Richard Henderson <rth@cygnus.com>
6695 * alpha.c (alpha_sa_mask [VMS]): Don't include $26 in the mask.
6696 Patch from Klaus Kaempf <kkaempf@progis.de>.
6698 Sun Oct 26 13:31:47 1997 Jim Wilson (wilson@cygnus.com)
6700 * expr.c (expand_expr, case INDIRECT_REF): Optimize a reference
6701 to an element in a constant string.
6703 Sun Oct 26 11:41:49 1997 Jason Merrill <jason@yorick.cygnus.com>
6705 * dwarf2out.c (output_call_frame_info): The CIE pointer is now a 32
6706 bit PC-relative offset. The exception range table pointer is now in
6708 * frame.c (dwarf_cie, dwarf_fde): Rename CIE_pointer to CIE_delta.
6709 (count_fdes, add_fdes, get_cie): Adjust.
6710 (cie_info, extract_cie_info, __frame_state_for): Adjust eh_ptr uses.
6713 * frame.c (count_fdes, add_fdes): Skip linked once FDE entries.
6715 Sun Oct 26 11:52:01 1997 Richard Henderson <rth@cygnus.com>
6717 * alias.c (memrefs_conflict_p): Treat arg_pointer_rtx just
6718 like stack_pointer_rtx.
6720 Sun Oct 26 11:32:16 1997 Manfred Hollstein <manfred@s-direktnet.de>
6722 * Makefile.in (bootstrap-lean): Combined with `normal' bootstrap
6723 targets using "$@" to provide support for similar but not identical
6724 targets without having to duplicate code.
6725 (bootstrap4): New goal.
6727 * Makefile.in (compare, compare-lean, compare3): Combined to one
6728 ruleset determining actions to be performed via $@.
6729 (compare4, compare4-lean): New targets.
6730 (gnucompare, gnucompare3): Combined to one ruleset determining
6731 actions to be performed via $@. Also, note which files failed
6732 the comparison test in .bad_compare.
6733 (gnucompare-lean, gnucompare3-lean, gnucompare4-lean): New targets.
6735 Sun Oct 26 10:06:11 1997 Toon Moene <toon@moene.indiv.nluug.nl>
6737 * fold-const (fold): Also simplify FLOOR_DIV_EXPR to EXACT_DIV_EXPR
6738 if the dividend is a multiple of the divisor.
6740 Sun Oct 26 09:21:40 1997 Jeffrey A Law (law@cygnus.com)
6742 * Makefile.in (LIBGCC2_CFLAGS): Add -fexceptions.
6744 * alias.c (find_base_term): Handle PRE_INC, PRE_DEC, POST_INC,
6747 * alias.c (true_dependence): Fix typo.
6749 * toplev.c (flag_rerun_loop_opt): New variable.
6750 (f_options): Handle -frerun-loop-opt.
6751 (rest_of_compilation): If -frerun-loop-opt, then run the loop
6753 (main): Enable -frerun-loop-opt by default for -O2 or greater.
6755 * loop.c (simplify_giv_expr): Adding two invariants results
6758 Sun Oct 26 09:15:15 1997 Richard Henderson <rth@cygnus.com>
6760 * expr.c (get_inner_reference): Remove the array bias after
6761 converting the index to Pmode.
6763 Sat Oct 25 12:20:58 1997 Jeffrey A Law (law@cygnus.com)
6765 * mn10300.h (TARGET_SWITCHES): Add -mmult-bug and -mno-mult-bug.
6766 (TARGET_MULT_BUG): Define.
6767 (TARGET_DEFAULT): Default to TARGET_MULT_BUG.
6768 * mn10300.md (mulsi3): Handle TARGET_MULT_BUG.
6770 Fri Oct 24 17:40:34 1997 Jeffrey A Law (law@cygnus.com)
6772 * mn10200.c (indirect_memory_operand): Delete unused function.
6773 * mn10200.h (EXTRA_CONSTRAINT): Handle 'R'.
6774 * mn10200.md (bset, bclr insns): Handle output in a reg too.
6776 Fri Oct 24 15:54:57 1997 Richard Henderson <rth@cygnus.com>
6778 * alpha.md (call patterns): Revert Oct 16 change; if we are to elide
6779 the callee's ldgp, we must do it ourselves, and we use the jsr tag
6780 for more than scheduling.
6782 Fri Oct 24 13:23:04 1997 Doug Evans <devans@canuck.cygnus.com>
6784 * sparc/sparc.h (ASM_SPEC): Delete asm_arch.
6786 Fri Oct 24 13:19:40 1997 Jeffrey A Law (law@cygnus.com)
6788 * mn10300.c (symbolic_operand, legitimize_address): New functions.
6789 * mn10300.h (LEGITIMIZE_ADDRESS): Call legitimize_address.
6790 (GO_IF_LEGITIMATE_ADDRESS): Don't allow base + symbolic.
6792 Thu Oct 23 09:35:12 1997 Jeffrey A Law (law@cygnus.com)
6794 * version.c: Bump for snapshot.
6796 Thu Oct 23 08:03:59 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6798 * dbxout.c (dbxout_start_new_source_file): Use output_quoted_string
6801 Wed Oct 22 00:34:12 1997 Jeffrey A Law (law@cygnus.com)
6803 * toplev.c (flag_exceptions): Default value is 2.
6804 (compile_file): If flag_exceptions still has the value 2, then
6807 * rs6000.c (struct machine_function): Add pic_offset_table_rtx.
6808 (rs6000_save_machine_status): Save pic_offset_table_rtx.
6809 (rs6000_restore_machine_status: Restore pic_offset_table_rtx.
6811 * local-alloc.c (block_alloc): Don't lose if two SCRATCH expressions
6814 * rs6000.md (*movsi_got_internal_mem): New pattern.
6815 (*movsi_got_internal_mem splitter): New define_split.
6817 Tue Oct 21 18:14:03 1997 Jim Wilson <wilson@cygnus.com>
6819 * obstack.h (obstack_empty_p): Fix spurious space after backslash.
6821 Tue Oct 21 18:34:01 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
6823 * rs6000.c: Avoid creating a stack frame under SYSV ABI if we
6824 only need to save LR.
6826 Tue Oct 21 10:06:40 1997 Jeffrey A Law (law@cygnus.com)
6828 * mn10300.md (movqi, movhi): Avoid using address registers as
6829 destinations unless absolutely necessary.
6831 * mn10200.c (expand_prologue): Fix typo.
6833 * mn10200.h (GO_IF_LEGITIMATE_ADDRESS): Do not allow indexed
6835 * mn10200.md (neghi2): Provide an alternative which works if
6836 the input and output register are the same.
6838 * mn10300.c (print_operand): Handle 'S'.
6839 * mn10300.md (ashlsi3, lshrsi3, ashrsi3): Use %S for
6840 shift amount in last alternative
6842 * mn10300.c (expand_epilogue): Rework to handle register restores
6843 in "ret" and "retf" instructions correctly.
6845 Mon Oct 20 16:47:08 1997 Jim Wilson <wilson@cygnus.com>
6847 * expmed.c (extract_bit_field): Don't make flag_force_mem disable
6848 extzv for memory operands.
6850 * cse.c (simplify_ternary_operation, case IF_THEN_ELSE): Collapse
6851 redundant conditional moves to single operand.
6853 Mon Oct 20 15:30:26 1997 Nick Clifton <nickc@cygnus.com>
6855 * v850.h: Move define of __v850__ from CPP_PREDEFINES
6858 * xm-v850.h: Use __v850 rather than __v850__ to
6861 Mon Oct 20 14:15:02 1997 Jim Wilson <wilson@cygnus.com>
6863 * mips/mips.c (compute_frame_size): Not a leaf function if
6866 Mon Oct 20 14:16:38 1997 Geoffrey KEATING <geoffk@ozemail.com.au>
6868 * rs6000/t-ppccomm: Use -msdata=none for crtstuff.
6870 Mon Oct 20 12:28:17 1997 Doug Evans <devans@canuck.cygnus.com>
6872 * sparc/sparc.h (SPARC_V9,SPARC_ARCH64): Delete.
6873 (DEFAULT_ARCH32_P): New macro.
6874 (TARGET_ARCH{32,64}): Allow compile time or runtime selection.
6875 (enum cmodel): Declare.
6876 (sparc_cmodel_string,sparc_cmodel): Declare.
6877 (SPARC_DEFAULT_CMODEL): Provide default.
6878 (TARGET_{MEDLOW,MEDANY}): Renamed to TARGET_CM_{MEDLOW,MEDANY}.
6879 (TARGET_FULLANY): Deleted.
6880 (TARGET_CM_MEDMID): New macro.
6881 (CPP_CPU_DEFAULT_SPEC): Renamed from CPP_DEFAULT_SPEC.
6882 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6883 (CPP_PREDEFINES): Take out stuff now handled by %(cpp_arch).
6884 (CPP_SPEC): Rewrite.
6885 (CPP_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6886 (CPP_{ENDIAN,SUBTARGET}_SPEC): New macros.
6887 (ASM_ARCH{,32,64,_DEFAULT}_SPEC): New macros.
6888 (ASM_SPEC): Add %(asm_arch).
6889 (EXTRA_SPECS): Rename cpp_default to cpp_cpu_default.
6890 Rename asm_default to asm_cpu_default.
6891 Add cpp_arch32, cpp_arch64, cpp_arch_default, cpp_arch, cpp_endian,
6892 cpp_subtarget, asm_arch32, asm_arch64, asm_arch_default, asm_arch.
6893 (NO_BUILTIN_{PTRDIFF,SIZE}_TYPE): Define ifdef SPARC_BI_ARCH.
6894 ({PTRDIFF,SIZE}_TYPE): Provide 32 and 64 bit values.
6895 (MASK_INT64,MASK_LONG64): Delete.
6896 (MASK_ARCH64): Renamed to MASK_64BIT.
6897 (MASK_{MEDLOW,MEDANY,FULLANY,CODE_MODEL}): Delete.
6898 (EMBMEDANY_BASE_REG): Renamed from MEDANY_BASE_REG.
6899 (TARGET_SWITCHES): Always provide 64 bit options.
6900 (ARCH64_SWITCHES): Delete.
6901 (TARGET_OPTIONS): New option -mcmodel=.
6902 (INT_TYPE_SIZE): Always 32.
6903 (MAX_LONG_TYPE_SIZE): Define ifdef SPARC_BI_ARCH.
6904 (INIT_EXPANDERS): sparc64_init_expanders renamed to sparc_init_....
6905 (FUNCTION_{,BLOCK_}PROFILER): Delete TARGET_EMBMEDANY support.
6906 (PRINT_OPERAND_PUNCT_VALID_P): Add '_'.
6907 * sparc/linux-aout.h (CPP_PREDEFINES): Take out stuff handled by
6909 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6910 * sparc/linux.h: Likewise.
6911 * sparc/linux64.h (SPARC_V9,SPARC_ARCH64): Delete.
6912 (ASM_CPU_DEFAULT_SPEC): Renamed from ASM_DEFAULT_SPEC.
6913 (TARGET_DEFAULT): Delete MASK_LONG64, MASK_MEDANY, add MASK_64BIT.
6914 (SPARC_DEFAULT_CMODEL): Define.
6915 (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6916 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6917 (LONG_DOUBLE_TYPE_SIZE): Define.
6918 (ASM_SPEC): Add %(asm_arch).
6919 * sparc/sol2.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6920 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6921 (TARGET_CPU_DEFAULT): Add ultrasparc case.
6922 * sparc/sp64-aout.h (SPARC_V9,SPARC_ARCH64): Delete.
6923 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT.
6924 (SPARC_DEFAULT_CMODEL): Define.
6925 * sparc/sp64-elf.h (SPARC_V9,SPARC_ARCH64): Delete.
6926 (TARGET_DEFAULT): MASK_ARCH64 renamed to MASK_64BIT. Delete
6927 MASK_LONG64, MASK_MEDANY.
6928 (SPARC_DEFAULT_CMODEL): Define.
6929 (CPP_PREDEFINES): Delete.
6930 (CPP_SUBTARGET_SPEC): Renamed from CPP_SPEC.
6931 (ASM_SPEC): Add %(asm_arch).
6932 (LONG_DOUBLE_TYPE_SIZE): Define.
6933 (DWARF2_DEBUGGING_INFO): Define.
6934 * sparc/splet.h (CPP_SPEC): Delete.
6935 * sparc/sysv4.h (CPP_PREDEFINES): Take out stuff handled by CPP_SPEC.
6936 (FUNCTION_BLOCK_PROFILER): Delete TARGET_EMBMEDANY support.
6937 (BLOCK_PROFILER): Likewise.
6938 * sparc/sparc.c (sparc_cmodel_string,sparc_cmodel): New globals.
6939 (sparc_override_options): Handle code model selection.
6940 (sparc_init_expanders): Renamed from sparc64_init_expanders.
6941 * sparc/sparc.md: TARGET_<code_model> renamed to TARGET_CM_....
6942 TARGET_MEDANY renamed to TARGET_CM_EMBMEDANY.
6943 (sethi_di_embmedany_{data,text}): Renamed from sethi_di_medany_....
6944 (sethi_di_fullany): Delete.
6946 Mon Oct 20 02:00:18 1997 Klaus Kaempf <kkaempf@progis.de>
6947 Jeff Law <law@cygnus.com>
6948 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6950 * alpha/vms.h (DIVSI3_LIBCALL): OTS$ functions are upper case.
6951 (DIVDI3_LIBCALL, UDIVSI3_LIBCALL, UDIVDI3_LIBVALL): Likewise.
6952 (MODSI3_LIBCALL, MODDI3_LIBCALL): Likewise.
6953 (UMODSI3_LIBCALL, UMODDI3_LIBCALL): Likewise.
6954 * alpha/alpha.md (arg_home): Likewise.
6956 * alpha/alpha.c (vmskrunch): Delete
6957 * alpha/vms.h (ENCODE_SECTION_INFO, ASM_DECLARE_FUNCTION_NAME): Delete.
6958 * alpha.c (output_prolog, VMS): Use alloca for entry_label and don't
6959 truncate to 64 characters.
6961 * make-l2.com: Support openVMS/Alpha.
6963 * vmsconfig.com: Fix to work on openVMS/Alpha and openVMS/VAX.
6965 Sun Oct 19 19:00:35 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
6967 * longlong.h (count_leading_zeros): Add missing casts to USItype.
6969 Sun Oct 19 18:44:06 1997 Jeffrey A Law (law@cygnus.com)
6971 * i386/bsd386.h (ASM_COMMENT_START): Define.
6973 Sat Oct 18 13:47:15 1997 Jason Merrill <jason@yorick.cygnus.com>
6975 * tree.c (restore_tree_status): Also free up temporary storage
6976 when we finish a toplevel function.
6977 (dump_tree_statistics): Print stats for backend obstacks.
6979 Sat Oct 18 12:47:31 1997 Doug Evans <dje@canuck.cygnus.com>
6981 * expr.c (use_group_regs): Don't call use_reg for MEMs.
6983 Sat Oct 18 09:49:46 1997 Jason Merrill <jason@yorick.cygnus.com>
6985 * libgcc2.c (__throw): Don't copy the return address.
6986 * dwarf2out.c (expand_builtin_dwarf_reg_size): Ignore return address.
6988 * except.c (exceptions_via_longjmp): Initialize to 2 (uninitialized).
6989 * toplev.c (main): Initialize exceptions_via_longjmp.
6991 * tree.c: Add extra_inline_obstacks.
6992 (save_tree_status): Use it.
6993 (restore_tree_status): If this is a toplevel inline obstack and we
6994 didn't want to save anything on it, recycle it.
6995 (print_inline_obstack_statistics): New fn.
6996 * function.c (pop_function_context_from): Pass context to
6997 restore_tree_status.
6998 * obstack.h (obstack_empty_p): New macro.
7000 Sat Oct 18 00:43:59 1997 Jeffrey A Law (law@cygnus.com)
7002 * i386/freebsd.h (ASM_COMMENT_START): Fix.
7004 Fri Oct 17 23:48:52 1997 Jim Wilson (wilson@cygnus.com)
7006 * v850.c (ep_memory_offset): New function.
7007 (ep_memory_operand, substitute_ep_register, v850_reorg): Call it.
7009 * v850.h (CONST_OK_FOR_*): Add and correct comments.
7010 (CONSTANT_ADDRESS_P): Add comment.
7011 (EXTRA_CONSTRAINT): Define 'U'.
7012 * v850.md: Add comments on bit field instructions.
7013 (addsi3): Delete &r/r/r alternative. Add r/r/U alternative.
7014 (lshrsi3): Use N not J constraint.
7016 * v850.md (v850_tst1+1): New define_split for tst1 instruction.
7018 * v850.c (reg_or_0_operand): Call register_operand.
7019 (reg_or_int5_operand): Likewise.
7020 * v850.h (MASK_BIG_SWITCH, TARGET_BIG_SWITCH): New macros.
7021 (TARGET_SWITCHES): Add "big-switch".
7022 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT, CASE_VECTOR_MODE,
7023 ASM_OUTPUT_BEFORE_BASE_LABEL): Add support for TARGET_BIG_SWITCH.
7024 (CASE_DROPS_THROUGH): Comment out.
7025 (CASE_VECTOR_PC_RELATIVE, JUMP_TABLES_IN_TEXT_SECTION): Define.
7026 * v850.md (cmpsi): Delete compare mode.
7027 (casesi): New pattern.
7029 * v850.h (CONST_OK_FOR_N): Delete redundant compare against zero.
7030 * v850.md (ashlsi3): Use SImode not QImode for shift count.
7031 (lshrsi3): Likewise.
7033 * v850.c (print_operand): Add 'c', 'C', and 'z' support. Delete
7034 unreachable switch statement after 'b' support. Remove "b" from
7035 strings for 'b' support.
7036 * v850.md (branch_normal, branch_invert): Change %b to b%b.
7038 Fri Oct 17 23:33:20 1997 Jeffrey A Law (law@cygnus.com)
7040 * Makefile.in (LIBGCC2_CFLAGS): Avoid a backslash then an
7041 empty line if @inhibit_libc@ is empty.
7043 Fri Oct 17 23:24:40 1997 Robert Lipe (robertl@dgii.com)
7045 * i386/sco5.h: Let ELF use dwarf2 unwinding. COFF uses sjlj.
7046 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Defined.
7047 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
7048 (DWARF2_UNWIND_INFO): Let this track object file format.
7049 (EXTRA_SECTIONS): Add in_eh.
7050 (EH_FRAME_SECTION_ASM_OP, EH_FRAME_SECTION_ASM_OP_ELF): Define.
7051 (EH_FRAME_SECTION_ASM_OP_COFF): Likewise.
7053 Fri Oct 17 17:13:42 1997 David S. Miller <davem@tanya.rutgers.edu>
7055 * sparc/linux64.h (LINK_SPEC): Dynamic linker is ld-linux64.so.2.
7056 * sparc/sparc.h (FUNCTION_PROFILER): Fix format string when
7058 * sparc/sparc.c (dwarf2out_cfi_label): Extern no longer needed.
7059 (output_double_int): Output DI mode values correctly when
7060 HOST_BITS_PER_WIDE_INT is 64.
7061 (output_fp_move_quad): If TARGET_V9 and not TARGET_HARD_QUAD, use
7062 fmovd so it works if a quad float ends up in one of the upper 32
7064 * sparc/sparc.md (pic_{lo_sum,sethi}_di): New patterns
7065 necessary for PIC support on sparc64.
7067 Fri Oct 17 13:39:56 1997 Doug Evans <dje@canuck.cygnus.com>
7069 * sparc/sp64-elf.h (TARGET_DEFAULT): Delete MASK_STACK_BIAS.
7070 * sparc/sparc.h (PROMOTE_MODE): Promote small ints if arch64.
7071 (PROMOTE_FUNCTION_ARGS,PROMOTE_FUNCTION_RETURN): Define.
7072 (SPARC_FIRST_FP_REG, SPARC_FP_REG_P): New macros.
7073 (SPARC_{OUTGOING,INCOMING}_INT_ARG_FIRST): New macros.
7074 (SPARC_FP_ARG_FIRST): New macro.
7075 (CONDITIONAL_REGISTER_USAGE): All v9 fp regs are volatile now.
7076 (REG_ALLOC_ORDER,REG_LEAF_ALLOC_ORDER): Reorganize fp regs.
7077 (NPARM_REGS): There are 32 fp argument registers now.
7078 (FUNCTION_ARG_REGNO_P): Likewise.
7079 (FIRST_PARM_OFFSET): Update to new v9 abi.
7080 (REG_PARM_STACK_SPACE): Define for arch64.
7081 (enum sparc_arg_class): Delete.
7082 (sparc_arg_count,sparc_n_named_args): Delete.
7083 (struct sparc_args): Redefine and use for arch32 as well as arch64.
7084 (GET_SPARC_ARG_CLASS,ROUND_REG,ROUND_ADVANCE): Delete.
7085 (FUNCTION_ARG_ADVANCE): Rewrite.
7086 (FUNCTION_ARG,FUNCTION_INCOMING_ARG): Rewrite.
7087 (FUNCTION_ARG_{PARTIAL_NREGS,PASS_BY_REFERENCE}): Rewrite.
7088 (FUNCTION_ARG_CALLEE_COPIES): Delete.
7089 (FUNCTION_ARG_{PADDING,BOUNDARY}): Define.
7090 (STRICT_ARGUMENT_NAMING): Define.
7091 (doublemove_string): Declare.
7092 * sparc/sparc.c (sparc_arg_count,sparc_n_named_args): Delete.
7093 (single_move_string): Use GEN_INT, and HOST_WIDE_INT.
7094 (doublemove_string): New function.
7095 (output_move_quad): Clean up some of the arch64 support.
7096 (compute_frame_size): Add REG_PARM_STACK_SPACE if arch64.
7097 Don't add 8 bytes of reserved space if arch64.
7098 (sparc_builtin_saveregs): Combine arch32/arch64 versions.
7099 (init_cumulative_args): New function.
7100 (function_arg_slotno): New static function.
7101 (function_arg,function_arg_partial_nregs): New functions.
7102 (function_arg_{pass_by_reference,advance}): New functions.
7103 (function_arg_padding): New function.
7104 * ginclude/va-sparc.h: Rewrite v9 support.
7106 Fri Oct 17 12:29:48 1997 Christian Iseli <Christian.Iseli@lslsun.epfl.ch>
7108 * regclass.c (record_address_regs): Look at REG_OK_FOR_{BASE,INDEX}_P
7109 for hard regs to determine base and index registers.
7111 * reload.c (debug_reload_to_stream): New function. Specify stream
7112 into which to write debug info.
7113 (debug_reload): Modify to call debug_reload_to_stream with stderr.
7115 Thu Oct 16 15:07:51 1997 Richard Henderson <rth@cygnus.com>
7117 * combine.c (can_combine_p): Don't combine with an asm whose
7118 output is a hard register.
7120 Thu Oct 16 15:43:26 1997 Mike Stump (mrs@wrs.com)
7122 * c-decl.c (start_struct): Ensure that structs with forward
7123 declarations are in fact packed when -fpack-struct is given.
7125 * stor-layout.c (layout_record): Ignore STRUCTURE_SIZE_BOUNDARY if
7126 we are packing a structure. This allows a structure with only
7127 bytes to be aligned on a byte boundary and have no padding on a
7130 Thu Oct 16 15:17:54 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7132 * rs6000.h (ROUND_TYPE_ALIGN): Don't blow up if no fields in record.
7134 Thu Oct 16 11:20:30 1997 Richard Henderson <rth@cygnus.com>
7136 * alpha.c (alpha_return_addr_rtx): New variable.
7137 (alpha_save_machine_status): New; save it.
7138 (alpha_restore_machine_status): New; restore it.
7139 (alpha_init_expanders): New; clear it.
7140 (alpha_return_addr): New; set it.
7141 (alpha_ra_ever_killed): New; if alpha_return_addr_rtx, regs_ever_live
7142 is overly conservative, so search the insns explicitly.
7143 (alpha_sa_mask [VMS]): Check alpha_ra_ever_killed.
7144 (alpha_sa_size [VMS && !VMS]): Likewise.
7145 * alpha.h (RETURN_ADDR_RTX): Call alpha_return_addr.
7146 (INIT_EXPANDERS): New definition.
7148 * alpha.c: Move REG_PV, REG_RA somewhere more visible in the file.
7149 (output_prolog [!VMS]): Use them.
7151 * alpha.c (output_prolog [!VMS]): Move gp detection to ...
7152 (alpha_does_function_need_gp): ... a new function. Refine the
7153 CALL_INSN test to just TYPE_JSR.
7154 * alpha.md (most call insns): Fix some jsr/ibr type transpositions.
7156 Thu Oct 16 09:36:47 1997 Jeffrey A Law (law@cygnus.com)
7158 * version.c: Bump for snapshot.
7160 Wed Oct 15 21:38:18 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7162 * pa.c (move_operand): Respect -mdisable-indexing.
7163 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Likewise.
7165 Wed Oct 15 21:34:45 1997 David Edelsohn <edelsohn@mhpcc.edu>
7167 * rs6000.md (udivsi3, divsi3): Split into MQ and non-MQ cases for
7169 (umulsidi3,umulsi3_highpart): Ditto.
7170 (smulsi3_highpart_no_mq): Add !TARGET_POWER.
7172 Wed Oct 15 18:21:46 1997 Richard Henderson <rth@cygnus.com>
7174 * alpha.c (final_prescan_insn): Gut, remove and transform to ...
7175 (alpha_handle_trap_shadows): ... a new function. Handle the entire
7176 function in one go. Emit RTL for trapb, instead of printf directly.
7177 (alpha_reorg): New function. Call alpha_handle_trap_shadows.
7178 (trap_pending): Kill global variable.
7179 (output_epilog): Don't call final_prescan_insn.
7180 (struct shadow_summary): Elide $31 and $f31; now it fits in a word.
7181 * alpha.h (FINAL_PRESCAN_INSN): Remove.
7182 (MACHINE_DEPENENT_REORG): Define.
7183 * alpha.md (jsr patterns with trapb): Stupid and useless. Kill.
7186 Wed Oct 15 18:16:05 1997 Richard Henderson <rth@cygnus.com>
7188 Tune Haifa scheduler for Alpha:
7189 * alpha.h (ISSUE_RATE): Define.
7190 * alpha.c (alpha_adjust_cost): Handle EV5 mult delay; don't apply
7191 EV4 adjustments to EV5.
7192 * alpha.md: Remove all scaling from function unit delays. Rework
7193 EV5 function units to match the CPU.
7194 (umuldi3_highpart): EV5 added the IMULH insn class.
7196 Wed Oct 15 17:42:41 1997 Jeffrey A Law (law@cygnus.com)
7198 * pa.c (following_call): Fail if the CALL_INSN is an indirect
7201 Tue Oct 14 12:01:00 1997 Mark Mitchell <mmitchell@usa.net>
7203 * cplus-dem.c (demangle_signature): Don't look for return types on
7204 constructors. Handle member template constructors.
7206 Tue Oct 14 11:30:29 1997 Jason Merrill <jason@yorick.cygnus.com>
7208 * tree.c (expr_tree_cons, build_expr_list, expralloc): New fns.
7209 * tree.h: Declare them.
7211 Fri Oct 10 13:46:56 1997 Doug Evans <dje@canuck.cygnus.com>
7213 * configure.in: Handle --with-newlib.
7214 * Makefile.in (LIBGCC2_CFLAGS): Add @inhibit_libc@.
7216 * sparc/t-sp64 (LIBGCC2_CFLAGS): Delete.
7218 Wed Oct 8 14:37:44 1997 Jeffrey A Law (law@cygnus.com)
7220 * config/ptx4.h: Fix typo.
7222 Wed Oct 8 08:57:20 1997 Jeffrey A Law (law@cygnus.com)
7224 * version.c: Bump for snapshot.
7226 Tue Oct 7 16:27:34 1997 Manfred Hollstein <manfred@s-direktnet.de>
7228 * aclocal.m4: Substitute INSTALL.
7229 * configure: Re-built.
7231 Tue Oct 7 15:37:35 1997 Jeffrey A Law (law@cygnus.com)
7233 * integrate.c (save_for_inline_copying): Avoid undefined pointer
7235 (expand_inline_function): Likewise.
7237 * dwarf2out.c (output_call_frame_info): Reinstate last change
7238 using flag_debug_asm check instead of flag_verbose_asm.
7240 Tue Oct 7 12:57:26 1997 Jim Wilson <wilson@cygnus.com>
7242 * dwarf2out.c (output_call_frame_info): Remove last change.
7244 1997-10-04 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7246 * frame.c (__frame_state_for): Execute the FDE insns until the
7247 current pc value is strictly bigger than the target pc value.
7249 Tue Oct 7 11:00:42 1997 Jason Merrill <jason@yorick.cygnus.com>
7251 * regclass.c (init_reg_modes): If we can't find a mode for the
7252 register, use the previous one.
7254 Tue Oct 7 10:55:34 1997 Richard Henderson <rth@cygnus.com>
7256 * haifa-sched.c (print_block_visualization): Call fprintf directly,
7257 don't sprintf through an alloca'ed buffer.
7259 Tue Oct 7 10:52:29 1997 Thomas Koenig (ig25@rz.uni-karlsruhe.de)
7261 * reload.c (decompose): Always initialize val.base.
7263 Tue Oct 7 10:19:26 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
7265 * m68k/mot3300.h (ASM_OUTPUT_ALIGN): Accept any alignment
7266 instead of aborting.
7267 * dwarf2out.c (output_call_frame_info): Call app_enable and
7268 app_disable to let GNU as accept the generated comments.
7270 Tue Oct 7 11:41:21 1997 Michael Meissner <meissner@cygnus.com>
7272 * tree.h (get_file_function_name): Add declaration.
7273 * dwarf2out.c (output_call_frame_info): No need to cast
7274 get_file_function_name call anymore.
7275 * profile.c (toplevel): Remove get_file_function_name
7277 * c-lang.c (finish_file): Ditto.
7279 Tue Oct 7 10:01:45 1997 Chip Salzenberg <chip@rio.atlantic.net>
7281 * Makefile.in (program_transform_name): Let autoconf substitute
7284 Tue Oct 7 09:54:35 1997 Jeffrey A Law (law@cygnus.com)
7286 * haifa-sched.c (schedule_block): If the first real insn in a
7287 block has any special notes attached to it, remove them.
7289 Tue Oct 7 09:48:51 1997 Richard Henderson <rth@cygnus.com>
7291 * alpha.h (FLOAT_STORE_FLAG_VALUE): It's 2.0 not 0.5.
7293 Mon Oct 6 12:47:32 1997 Manfred Hollstein (manfred@lts.sel.alcatel.de)
7295 * m88k.c (m88k_begin_prologue): Remove superfluous backslash.
7297 Mon Oct 6 12:04:24 1997 Jeffrey A Law (law@cygnus.com)
7299 * Makefile.in (check-g77): New test target.
7300 (CHECK-TARGETS): Add check-g77.
7302 Fri Oct 3 11:56:36 1997 Jason Merrill <jason@yorick.cygnus.com>
7304 * toplev.c (rest_of_compilation): Defer all non-nested inlines.
7306 Fri Oct 3 15:49:27 1997 Michael Meissner <meissner@cygnus.com>
7308 * flow.c (print_rtl_with_bb): Cast alloca return value for
7311 Thu Oct 2 21:15:03 1997 Richard Henderson <rth@cygnus.com>
7313 * i386.h (RETURN_ADDR_RTX): New definition that works for
7314 __builtin_return_address(0) and -fomit-frame-pointer.
7316 Wed Oct 1 13:43:53 1997 Jim Wilson <wilson@cygnus.com>
7318 Bring over from FSF.
7319 Tue Aug 5 16:10:45 1997 Jason Merrill <jason@yorick.cygnus.com>
7321 * mips.c (function_arg): Handle passing a struct
7322 containing a double in a DFmode register without the PARALLEL.
7324 Wed Oct 1 11:13:25 1997 Ian Lance Taylor <ian@cygnus.com>
7326 * pexecute.c: Use spawn if __CYGWIN32__.
7328 * pexecute.c: Include "config.h" first, as per autoconf manual
7329 (from Paul Eggert <eggert@twinsun.com>).
7331 Wed Oct 1 01:44:36 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7333 * m68k/x-mot3300 (XCFLAGS): Disable as's long/short jump
7334 optimisation for f/expr.o and f/stb.o.
7336 Tue Sep 30 23:48:57 1997 Jeffrey A Law (law@cygnus.com)
7338 * cse.c (this_insn_cc0_mode): Initialize.
7340 Tue Sep 30 23:09:40 1997 Thomas Koenig <ig25@mvmap66.ciw.uni-karlsruhe.de>
7342 * cccp.c (expand_to_temp_buffer): Initialize all members of obuf.
7344 * haifa-sched.c (get_block_head_tail): Remove unneeded initialization.
7346 Tue Sep 30 23:06:43 1997 Richard Henderson <rth@cygnus.com>
7348 * alpha.md (beq): For registers and ints 0-255, use cmpeq+bne, since
7349 that pair will dual-issue on the 21164 and plus+beq won't.
7350 (bne): Likewise for cmpeq+beq.
7352 Tue Sep 30 16:07:58 1997 Jim Wilson <wilson@cygnus.com>
7354 * except.c (find_exception_handler_labels): Correct argument to free.
7356 Tue Sep 30 11:00:00 1997 Brendan Kehoe <brendan@lisa.cygnus.com>
7358 * except.c (find_exception_handler_labels): Free LABELS when we're
7361 Mon Sep 29 14:04:35 1997 Jeffrey A Law (law@cygnus.com)
7363 * version.c: Bump for snapshot.
7365 Mon Sep 29 10:51:53 1997 Jason Merrill <jason@yorick.cygnus.com>
7367 * flow.c (find_basic_blocks): Mark calls as potentially jumping
7370 Mon Sep 29 09:58:06 1997 Jeffrey A Law (law@cygnus.com)
7372 * configure.in: Substitute for "install" too.
7373 * configure: Rebuilt.
7375 Mon Sep 29 00:38:42 1997 Aaron Jackson <jackson@negril.msrce.howard.edu>
7377 * Makefile.in (bootstrap-lean, compare-lean): New targets.
7379 Mon Sep 29 00:18:16 1997 Richard Henderson (rth@cygnus.com)
7381 * alias.c (base_alias_check): Two symbols can conflict if they
7382 are accessed via AND.
7383 (memrefs_conflict_p): Likewise.
7385 * alpha.h (SETUP_INCOMING_VARARGS): Emit a blockage insn
7386 after flushing argument registers to the stack.
7388 * Makefile.in (mostlyclean): Remove .regmove files.
7390 Sun Sep 28 18:59:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7392 * libgcc2.c (__throw): Fix thinko.
7394 Sun Sep 28 12:00:52 1997 Mark Mitchell <mmitchell@usa.net>
7396 * cplus-dem.c (demangle_template): Add new parameter. Handle new
7397 template-function mangling.
7398 (consume_count_with_underscores): New function.
7399 (demangle_signature): Handle new name-mangling scheme.
7401 Sun Sep 28 01:55:04 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
7403 * flow.c (print_rtl_with_bb): Cast alloca return values for variables
7406 Sun Sep 28 01:05:16 1997 Jeffrey A Law (law@cygnus.com)
7408 * frame.c: Remove last change.
7409 * dwarf2.h: Remove last change.
7410 * tree.h: Add declarations of DWARF2 unwind info support
7413 Sat Sep 27 11:02:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7415 * c-decl.c (init_decl_processing): Add __builtin_dwarf_reg_size.
7416 * tree.h (built_in_function): Likewise.
7417 * expr.c (expand_builtin): Likewise.
7418 * except.h: Likewise.
7419 * dwarf2out.c (expand_builtin_dwarf_reg_size): New fn.
7420 * libgcc2.c (copy_reg): New fn.
7423 Fri Sep 26 08:54:59 1997 Paul Eggert <eggert@twinsun.com>
7425 * c-typeck.c (build_binary_op): Warn about comparing signed vs
7426 unsigned if -W is specified and -Wno-sign-compare is not.
7427 * c-decl.c (warn_sign_compare): Initialize to -1.
7428 (c_decode_option): -Wall no longer implies -Wsign-compare.
7430 Fri Sep 26 09:00:13 1997 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7432 * frame.c: Include gansidecl.h for PROTO.
7433 * dwarf2out.c: Move inclusion of dwarf2.h down so that PROTO is
7434 defined. Don't declare dwarf2out_cfi_label here.
7435 * dwarf2.h: Add declarations of DWARF2 unwind info support
7437 * m68k.c: Include dwarf2.h.
7438 (output_function_prologue): Add dwarf2 support.
7439 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM): New macros.
7440 (INCOMING_FRAME_SP_OFFSET): Likewise.
7442 * integrate.c (expand_inline_function): Make sure there is at
7443 least one insn that can be used as an insertion point.
7445 Wed Sep 24 21:34:06 1997 Jason Merrill <jason@yorick.cygnus.com>
7447 * dwarf2out.c: s/flag_verbose_asm/flag_debug_asm/
7449 Wed Sep 24 22:05:30 1997 Jeffrey A Law (law@cygnus.com)
7451 * version.c: Bump for snapshot.
7453 Wed Sep 24 17:36:23 1997 Doug Evans <dje@canuck.cygnus.com>
7455 Bring over from FSF.
7457 Wed Sep 24 19:17:08 1997 Doug Evans <dje@cygnus.com>
7459 * sparc/sparc.md (get_pc_via_call): Renamed from get_pc_sp32.
7460 (get_pc_via_rdpc): Renamed from get_pc_sp64.
7461 * sparc/sparc.c (finalize_pic): Update call to gen_get_pc_via_call.
7463 Wed Sep 24 18:38:22 1997 David S. Miller <davem@tanya.rutgers.edu>
7465 * sparc/sparc.h (ASM_CPU_SPEC): Pass -Av9a for v8plus, ultrasparc.
7466 (TARGET_OPTIONS): Add -malign-loops=, -malign-jumps=,
7468 (sparc_align_{loops,jumps,funcs}_string): Declare.
7469 (sparc_align_{loops,jumps,funcs}): Declare.
7470 (DEFAULT_SPARC_ALIGN_FUNCS): New macro.
7471 (FUNCTION_BOUNDARY): Use sparc_align_funcs.
7472 (STACK_BIAS): Define.
7473 (SPARC_SIMM*_P): Cast to unsigned HOST_WIDE_INT first, then perform
7475 (SPARC_SETHI_P): New macro.
7476 (CONST_OK_FOR_LETTER_P): Use it.
7477 (ASM_OUTPUT_ALIGN_CODE): Define.
7478 (ASM_OUTPUT_LOOP_ALIGN): Define.
7479 * sparc/sparc.c (sparc_align_{loops,jumps,funcs}_string): New globals.
7480 (sparc_align_{loops,jumps,funcs}): New globals.
7481 (sparc_override_options): Handle -malign-loops=, -malign-jumps=,
7483 (move_operand): Use SPARC_SETHI_P.
7484 (arith_double_operand): Cast to unsigned HOST_WIDE_INT first, then
7486 (arith11_double_operand): Likewise.
7487 (arith10_double_operand): Likewise.
7488 (finalize_pic): Finish sparc64 support.
7489 (emit_move_sequence): Use SPARC_SETHI_P. Simplify low part of
7490 64 bit constants if able.
7491 (output_fp_move_quad): Don't use fmovq unless TARGET_HARD_QUAD.
7492 (sparc_builtin_saveregs, sparc64 case): Don't save fp regs if
7494 * sparc/sparc.md (*): Use GEN_INT instead of gen_rtx.
7495 (get_pc_sp32): Use for sparc64 as well.
7496 (lo_sum_di_sp{32,64}): Fix handling on 64 bit hosts.
7497 (sethi_di_sp64_const): Likewise.
7498 (movtf_cc_sp64): Check TARGET_HARD_QUAD.
7499 (cmp_zero_extract_sp64): Use unsigned HOST_WIDE_INT in cast.
7500 (ashlsi3, ashldi3, ashrsi3, ashrdi3, lshrsi3, lshrdi3): Likewise.
7502 Tue Sep 23 19:02:46 1997 Doug Evans <dje@cygnus.com>
7504 * sparc/linux-aout.h (COMMENT_BEGIN): Delete.
7505 * sparc/linux.h (COMMENT_BEGIN): Likewise.
7506 * sparc/linux64.h (COMMENT_BEGIN): Likewise.
7508 Tue Sep 23 14:48:18 1997 David S. Miller <davem@tanya.rutgers.edu>
7510 Add sparc64 linux support.
7511 * configure.in (sparc64-*-linux*): Recognize. Add sparc/xm-sparc.h
7512 to xm_file list on 32-bit sparc-linux.
7513 * sparc/xm-sp64.h: New file.
7514 * sparc/linux64.h: New file.
7515 * sparc/xm-linux.h: Include some standard headers if not inhibit_libc.
7516 Don't include xm-sparc.h.
7517 * config/xm-linux.h (HAVE_PUTENV, HAVE_ATEXIT): Define.
7518 * glimits.h (LONG_MAX): Handle sparc64.
7520 Sat Sep 20 03:07:54 1997 Doug Evans <dje@cygnus.com>
7522 * sparc/sysv4.h (ASM_COMMENT_START): Delete.
7523 * sparc.h (ASM_COMMENT_START): Define.
7524 * sparc.c (output_function_prologue): Use it.
7525 (sparc_flat_output_function_{epi,pro}logue): Likewise.
7527 Wed Sep 17 15:04:19 1997 Doug Evans <dje@cygnus.com>
7529 * sparc/sysv4.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Delete,
7530 use sparc.h's copies.
7531 * sparc/sparc.h (ASM_OUTPUT_{FLOAT,DOUBLE,LONG_DOUBLE}): Print
7534 Mon Sep 8 08:45:19 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7536 * sparc.c (dwarf2out_cfi_label): Add declaration.
7537 (save_regs, output_function_prologue): Remove cast for it.
7538 (sparc_flat_{save_restore,output_function_prologue): Likewise.
7539 ({save,restore}_regs): No longer inline.
7541 Tue Sep 23 12:34:51 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7543 * fold-const.c (make_range): Correctly handle cases of converting
7544 from unsigned to signed type.
7546 Tue Sep 23 12:34:51 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
7548 * fold-const.c (merge_ranges): Make sure that if one range is subset
7549 of another, it will always be the second range. Correct (+,-) case to
7552 Tue Sep 23 08:32:51 1997 Jason Merrill <jason@yorick.cygnus.com>
7554 * final.c (final_end_function): Also do dwarf2 thing if
7555 DWARF2_DEBUGGING_INFO.
7556 (final_start_function): Likewise.
7558 Tue Sep 23 01:15:50 1997 David S. Miller <davem@tanya.rutgers.edu>
7560 * expmed.c (expand_divmod): If compute_mode is not the same as
7561 mode, handle the case where convert_modes() causes op1 to no
7562 longer be a CONST_INT.
7564 * reorg.c (dbr_schedule): At end of this pass, add REG_BR_PRED
7565 note holding get_jump_flags() calculation to all JUMP_INSNs.
7566 * rtl.h (enum reg_note): New note types REG_BR_PRED and REG_SAVE_AREA.
7567 * rtl.c (reg_note_name): Add new note types.
7569 Tue Sep 23 00:59:54 1997 Jeffrey A Law (law@cygnus.com)
7571 * rtlanal.c (computed_jump_p): Fix typo in last change.
7573 Tue Sep 23 00:42:44 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7575 * loop.c (indirect_jump_in_function_p): Return 0
7578 Tue Sep 23 00:33:55 1997 Jeffrey A Law (law@cygnus.com)
7580 * rs6000/xm-rs6000.h: Fix thinko in last change.
7581 * rs6000/xm-sysv4.h: Likewise.
7583 Mon Sep 22 19:33:53 1997 Jim Wilson <wilson@cygnus.com>
7585 * mips.c (save_restore_insns): Only set RTX_FRAME_RELATED_P if store_p.
7587 Mon Sep 22 14:41:00 1997 Jeffrey A Law (law@cygnus.com)
7589 * reg-stack.c (find_blocks): Fix thinko in last change.
7591 1997-09-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
7593 * m68k.c (output_function_prologue): Add dwarf2 support.
7595 * m68k.h (INCOMING_RETURN_ADDR_RTX, DWARF_FRAME_REGNUM,
7596 INCOMING_FRAME_SP_OFFSET): New definitions.
7598 Mon Sep 22 11:36:42 1997 David S. Miller <davem@tanya.rutgers.edu>
7600 * combine.c (try_combine): Use NULL_RTX instead of '0' where
7601 appropriate in calls to gen_rtx().
7602 * cse.c (cse_main): Likewise.
7603 * emit-rtl.c (gen_label_rtx): Likewise.
7604 * expr.c (init_expr_once): Likewise.
7605 * haifa-sched.c (flush_pending_lists, sched_analyze_insn,
7606 sched_analyze, init_rgn_data_dependences,
7607 compute_block_backward_dependences): Likewise.
7608 * sched.c (schedule_insns): Likewise.
7609 * varasm.c (immed_double_const): Likewise.
7611 * sparc.h (INCOMING_FRAME_SP_OFFSET): Define to
7612 SPARC_STACK_BIAS for sake of dwarf2 on sparc64.
7614 Mon Sep 22 11:21:33 1997 J. Kean Johnston <jkj@sco.com>
7616 * i386/sco5.h: Make ELF default file format and add -mcoff/-melf..
7617 (MULTILIB_DEFAULTS): Define.
7618 (ASM_SPEC, CPP_SPEC): Handle -mcoff.
7619 (STARTFILE_SPEC, ENDFILE_SPEC, LINK_SPEC): Likewise.
7620 (LIBGCC_SPEC): Likewise.
7621 (MASK_COFF, TARGET_COFF, TARGET_ELF): Define.
7622 (SUBTARGET_SWITCHES): Add -mcoff and -melf.
7623 * i386/t-sco5 (CRTSTUFF_T_CFLAGS): Add -fPIC.
7624 (CRTSTUFF_T_CFLAGS_S): Tweak for COFF.
7625 (EXTRA_PARTS, TAROUTOPTS): Delete.
7626 (libgcc1-elf, libgcc2-elf, libgcc-elf targets): Delete.
7627 (MULTILIB_OPTIONS): Define.
7628 (MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): Likewise.
7629 (MULTILIB_MATCHE, MULTILIB_EXTRA_OPTS): Likewise.
7631 Mon Sep 22 02:10:43 1997 Jeffrey A Law (law@cygnus.com)
7633 * version.c: Bump for snapshot.
7635 Sun Sep 21 17:45:45 1997 Jeffrey A Law (law@cygnus.com)
7637 * loop.c (loop_number): Delete function. Change all references
7638 to use uid_loop_num array.
7639 * loop.h (loop_number): Delete declaration.
7640 * unroll.c (unroll_loop): Change "loop_number" references to
7641 use uid_loop_num instead.
7643 * loop.c (loop_unroll_factor): Move outside #ifdef HAIFA
7645 (loop_unroll_iter): Remove unused variable and all references.
7646 (loop_optimize): Always allocate and clear space for loop_unroll_factor.
7647 (insert_bct): Fix minor formatting problems.
7648 * loop.h (loop_unroll_factor): Move decl outside #ifdef HAIFA.
7649 (loop_unroll_iter): Removed unused decl.
7650 * unroll.c (unroll_loop): Remove code to set loop_unroll_iter.
7651 Always record the unrolling factor.
7653 * cse.c (simplify_relational_operation): Set h0u just like h0s.
7654 Similarly for h1u and h1s.
7656 * flow.c (jmp_uses_reg_or_mem): Deleted unused function.
7657 (find_basic_blocks): Use computed_jump_p to determine if a
7658 particular JUMP_INSN is a computed jump.
7659 * reg-stack.c (find_blocks): Use computed_jump_p to determine
7660 if a particular JUMP_INSN is a computed jump.
7661 * rtlanal.c (jmp_uses_reg_or_mem): New function.
7662 (computed_jump_p): Likewise.
7663 * rtl.h (computed_jump_p): Declare.
7664 * genattrtab.c (pc_rtx): Define and initialize.
7665 * loop.c (loop_optimize): Always determine if the current
7666 function has a computed jump.
7667 (indirect_jump_in_function_p): Use computed_jump_p to determine
7668 if a particular JUMP_INSN is a computed jump.
7670 * loop.c (fix_bct_param): Delete unused function.
7671 (check_bct_param): Likewise.
7673 Sat Sep 20 16:22:06 1997 Jason Merrill <jason@yorick.cygnus.com>
7675 * frame.c (__deregister_frame): Check properly for initialized object.
7677 Fri Sep 19 20:51:03 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7679 * alpha/linux.h (HANDLE_SYSV_PRAGMA): Defined.
7681 Fri Sep 19 18:53:50 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
7683 * jump.c (thread_jumps): check can_reverse_comparison_p before
7684 threading a reversed-condition jump.
7686 * sched.c (update_flow_info): Don't pass SCRATCH to dead_or_set_p.
7687 * haifa-sched.c (update_flow_info): Likewise.
7689 Thu Sep 18 21:13:40 1997 Jeffrey A Law (law@cygnus.com)
7691 * Makefile.in (BOOT_CFLAGS): Use -O2.
7693 * configure.in (strtoul, bsearch): Have autoconf check for these
7695 * configure, config.in: Rebuilt.
7697 * m68k/xm-mot3300.h (alloca): Properly declare if __STDC__.
7698 * mips/mips.h (alloca): Likewise.
7699 * rs6000/xm-rs6000.h (alloca): Likewise.
7700 * rs6000/xm-sysv4.h: Likewise.
7702 Thu Sep 18 14:22:22 1997 Jason Merrill <jason@yorick.cygnus.com>
7704 * final.c (final_scan_insn): Hand BARRIERs off to the dwarf2 code.
7705 * dwarf2out.c (dwarf2out_frame_debug): Pass the whole insn along.
7706 (dwarf2out_stack_adjust): A BARRIER resets the args space to 0.
7708 * except.c (end_eh_unwinder): Subtract 1 from return address.
7709 * libgcc2.c (__throw): Likewise.
7710 (find_exception_handler): Don't change PC here. Compare end with >.
7712 Thu Sep 18 10:43:07 1997 Nick Clifton <nickc@cygnus.com>
7714 * v850.c (compute_register_save_size): Correct register
7716 * v850.md (save_interrupt, return_interrupt): Correct
7718 * v850/lib1funcs.asm (save_interrupt): Correct register number.
7719 (return_interrupt): Use stack pointer, not element pointer.
7721 1997-09-18 Brendan Kehoe <brendan@lisa.cygnus.com>
7723 * configure.in, configure: Make sure to create the stage* and include
7724 symbolic links in each subdirectory.
7726 Thu Sep 18 01:47:06 1997 Jeffrey A Law (law@cygnus.com)
7728 * pa.md (reload_peepholes): Don't allow addresses with side
7729 effects for the memory operand.
7731 Wed Sep 17 18:19:53 1997 Jason Merrill <jason@yorick.cygnus.com>
7733 * libgcc2.c (find_exception_handler): Subtract one from our PC when
7734 looking for a handler, to avoid hitting the beginning of the next
7737 * except.c (expand_builtin_set_return_addr_reg): Use force_operand.
7739 Wed Sep 17 18:33:59 1997 Jeffrey A Law (law@cygnus.com)
7741 * mips/abi64.h (LONG_MAX_SPEC): Define.
7742 * mips.h (LONG_MAX_SPEC): Define.
7743 (CPP_SPEC): Include long_max_spec.
7744 (EXTRA_SPECS): Include long_max_spec.
7746 Wed Sep 17 14:11:38 1997 Jeffrey A Law (law@cygnus.com)
7748 * v850.c (construct_save_jarl): Fix thinko in last change.
7750 Wed Sep 17 09:53:07 1997 Jeffrey A Law (law@cygnus.com)
7752 * version.c: Bump for snapshot.
7754 Tue Sep 16 14:22:36 1997 Jason Merrill <jason@yorick.cygnus.com>
7756 * libgcc2.c (find_exception_handler): Not found is -1.
7758 * integrate.c (expand_inline_function): Move expand_start_bindings
7759 after expanding the arguments.
7761 Tue Sep 16 11:13:46 1997 Jim Wilson <wilson@cygnus.com>
7763 * expr.c (expand_expr): Remove previous incorrect change.
7764 If target and slot has no DECL_RTL, then call mark_addressable
7765 again for the slot after we give it RTL.
7767 Tue Sep 16 09:18:52 1997 Jason Merrill (jason@cygnus.com)
7769 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
7770 again for the slot after we give it RTL.
7772 Tue Sep 16 00:13:20 1997 Nick Clifton <nickc@cygnus.com>
7774 * v850.c (register_is_ok_for_epilogue,
7775 pattern_is_ok_for_epilogue, construct_restore_jr,
7776 pattern_is_ok_for_prologue, construct_save_jarl): New functions.
7778 * v850.h (pattern_is_ok_for_prologue,
7779 pattern_is_ok_for_epilogue, register_is_ok_for_epilogue): New
7782 * v850.md: Replace prologue and epilogue patterns with a
7783 match_parallel pattern.
7785 Mon Sep 15 22:53:01 1997 Jeffrey A Law (law@cygnus.com)
7787 * aclocal.m4: Add replacement for AC_PROG_INSTALL.
7788 * configure.in: Use EGCS_PROG_INSTALL.
7790 Mon Sep 15 22:40:55 1997 Jim Wilson (wilson@cygnus.com)
7792 * dwarf2out.c (gen_subprogram_die): Handle redefinition of an
7793 extern inline function.
7795 Mon Sep 15 22:40:55 1997 Richard Henderson (rth@cygnus.com)
7797 * dwarf2out.c (reg_loc_descriptor): Fix prototype.
7798 (concat_loc_descriptor): New function.
7799 (loc_descriptor): Call it.
7800 (add_AT_location_description): Also elide the descriptor if both
7801 halves of a CONCAT are pseudos.
7802 (add_location_or_const_value_attribute): Recognize CONCAT too.
7804 Mon Sep 15 15:24:00 1997 Richard Henderson <rth@cygnus.com>
7806 * alpha.md (movdi): Handle CONST_DOUBLE for TARGET_BUILD_CONSTANTS.
7808 * alpha/alpha.c (output_prolog): New variable sa_reg. Use it for
7809 out-or-range reg_offset.
7810 (output_epilog): Likewise.
7812 Mon Sep 15 15:39:26 1997 Jeffrey A Law (law@cygnus.com)
7814 * cse.c (simplify_relational_operation): If MODE specifies a
7815 mode wider than HOST_WIDE_INT, then the high word of a CONST_INT
7816 is derived from the sign bit of the low word.
7818 Mon Sep 15 11:43:38 1997 Jason Merrill <jason@yorick.cygnus.com>
7820 Support dwarf2 unwinding on PUSH_ROUNDING targets like the x86.
7822 * dwarf2.h: Add DW_CFA_GNU_args_size.
7823 * frame.c (execute_cfa_insn): Likewise.
7824 * dwarf2out.c (dwarf_cfi_name, output_cfi): Likewise.
7825 (dwarf2out_args_size, dwarf2out_stack_adjust): New fns.
7826 (dwarf2out_frame_debug): If this isn't a prologue or epilogue
7827 insn, hand it off to dwarf2out_stack_adjust.
7828 (dwarf2out_begin_prologue): Initialize args_size.
7829 * frame.h (struct frame_state): Add args_size.
7830 * libgcc2.c (__throw): Use args_size.
7831 * final.c (final_scan_insn): If we push args, hand off all insns
7832 to dwarf2out_frame_debug.
7833 * defaults.h (DWARF2_UNWIND_INFO): OK for !ACCUMULATE_OUTGOING_ARGS.
7835 * dwarf2out.c dwarf2out_frame_debug): Fix typo.
7836 Handle epilogue restore of SP from FP.
7837 * emit-rtl.c (gen_sequence): Still generate a sequence if the
7838 lone insn has RTX_FRAME_RELATED_P set.
7840 * frame.c (extract_cie_info): Handle "e" augmentation.
7841 * dwarf2out.c (ASM_OUTPUT_DWARF_*): Provide definitions in the
7842 absence of UNALIGNED_*_ASM_OP.
7843 (UNALIGNED_*_ASM_OP): Only provide defaults if OBJECT_FORMAT_ELF.
7844 (output_call_frame_info): Use "e" instead of "z" for augmentation.
7845 Don't emit augmentation fields length.
7846 (dwarf2out_do_frame): Move outside of #ifdefs.
7847 * defaults.h (DWARF2_UNWIND_INFO): Don't require unaligned data
7850 * sparc.h (UNALIGNED_INT_ASM_OP et al): Don't define here after all.
7851 * sparc/sysv4.h (UNALIGNED_INT_ASM_OP): Define here.
7852 * sparc/sunos4.h (DWARF2_UNWIND_INFO): Define to 0.
7853 * sparc/sun4gas.h: New file.
7854 * configure.in: Use sun4gas.h if SunOS 4 --with-gnu-as.
7856 * collect2.c (write_c_file_stat, write_c_file_glob): Declare
7857 __register_frame_table and __deregister_frame.
7859 1997-09-15 Brendan Kehoe <brendan@cygnus.com>
7861 * except.c (find_exception_handler_labels): Use xmalloc instead of
7862 alloca, since MAX_LABELNO - MIN_LABELNO can be more than 1 million
7865 Sun Sep 14 21:01:23 1997 Jeffrey A Law (law@cygnus.com)
7867 * Makefile.in: Various changes to build info files
7868 in the object tree rather than the source tree.
7870 Sun Sep 14 12:24:30 1997 Jeffrey A Law (law@cygnus.com)
7872 * fixinc.math: New file to fix math.h on some systems.
7873 * configure.in (freebsd, netbsd): Use fixinc.math on these
7875 * configure: Rebuilt.
7877 Sun Sep 14 11:11:05 1997 Jeffrey A Law (law@cygnus.com)
7879 * regmove.c (regmove_optimize): If we end up moving the
7880 original insn due to lifetime overlaps, make sure to move
7883 Sat Sep 13 15:51:11 1997 Manfred Hollstein <manfred@s-direktnet.de>
7885 * Makefile.in (INSTALL_{PROGRAM,DATA}): Use value found by configure.
7887 Sat Sep 13 12:57:26 1997 Jeffrey A Law (law@cygnus.com)
7889 * haifa-sched.c (add_branch_dependences): Make each insn in
7890 a SCHED_GROUP_P block explicitly depend on the previous insn.
7892 Fri Sep 12 13:49:58 1997 Jason Merrill <jason@yorick.cygnus.com>
7894 * except.h: Prototype dwarf2 hooks.
7897 Thu Sep 11 17:43:55 1997 Jim Wilson <wilson@cygnus.com>
7899 * configure.in (native_prefix): Delete.
7900 (mips-dec-netbsd): Don't set prefix.
7901 (*linux*): Don't set prefix.
7903 Thu Sep 11 15:48:32 1997 Fred Fish <fnf@ninemoons.com>
7905 * protoize.c: Include <varargs.h> only if HAVE_VARARGS_H is
7906 defined. If not defined, include <sys/varargs.h> if
7907 HAVE_SYS_VARARGS_H is defined.
7908 * configure.in: Test for varargs.h and sys/varargs.h.
7909 * configure: Regenerate with autoconf.
7910 * config.in: Regenerate with autoheader.
7912 * cpplib.c (quote_string): Cast first arg of sprintf call
7913 from "unsigned char *" to "char *".
7914 (output_line_command): Ditto.
7915 (macroexpand): Ditto.
7916 (do_line): Cast atoi arg from "unsigned char *" to "char *".
7918 Wed Sep 10 21:37:30 1997 Jeffrey A Law (law@cygnus.com)
7920 * version.c: Bump for snapshot.
7922 * Makefile.in (compare): Exit with nonzero status if there
7923 are comparison failures. Note which files failed the
7924 comparison test in .bad_compare.
7926 Wed Sep 10 17:05:46 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7928 * config/alpha/elf.h (CPP_PREDEFINES): Remove -D__PIC__ -D__pic__.
7930 Wed Sep 10 16:37:28 1997 Fred Fish <fnf@ninemoons.com>
7932 * Makefile.in (LN, LN_S): New macros, use where appropriate.
7933 * aclocal.m4 (GCC_PROG_LN_S, GCC_PROG_LN): New tests.
7934 * configure.in: Use GCC_PROG_LN_S and GCC_PROG_LN.
7935 * configure: Regenerated.
7937 Thu Sep 11 11:09:43 1997 Jeffrey A Law (law@cygnus.com)
7939 * loop.c (strength_reduce): Fix typo.
7941 Wed Sep 10 16:01:15 1997 Jim Wilson <wilson@cygnus.com>
7943 * m88k/m88k.c (struct option): Rename to struct options.
7944 * m88k/dolph.h (INITIALIZE_TRAMPOLINE): Delete here.
7945 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE): Delete ifdef and comments.
7946 * libgcc2.c (__enable_execute_stack): Check for __sysV88__ not
7947 __DOLPHIN__ or sysV88.
7949 Wed Sep 10 14:58:40 1997 Jim Wilson <wilson@cygnus.com>
7951 * emit-rtl.c (gen_lowpart_common): For a SUBREG, add in word when
7954 Wed Sep 10 15:19:22 1997 Jeffrey A Law (law@cygnus.com)
7956 * config.sub: Accept 'amigados' for backward compatability.
7958 Wed Sep 10 14:05:08 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
7960 * Makefile.in (testsuite/site.exp): New target.
7961 (check-gcc, check-g++): Depend on testsuite/site.exp.
7962 Don't stop for failure.
7964 Wed Sep 10 12:59:57 1997 Jason Merrill <jason@yorick.cygnus.com>
7966 * expr.c (expand_builtin): Only support __builtin_dwarf_fp_regnum()
7967 if DWARF2_UNWIND_INFO.
7969 Wed Sep 10 11:49:20 1997 Jason Merrill <jason@yorick.cygnus.com>
7971 Add support for exception handling using DWARF 2 frame unwind info.
7972 Currently works on SPARC and MIPS, and almost on x86.
7974 * libgcc2.c (get_reg, put_reg, get_return_addr, put_return_addr,
7975 next_stack_level, in_reg_window): Helper fns.
7976 (__throw): Implement for DWARF2_UNWIND_INFO.
7978 * expr.c (expand_builtin): Handle builtins used by __throw.
7979 * tree.h (enum built_in_function): Add builtins used by __throw.
7980 * c-decl.c (init_decl_processing): Declare builtins used by __throw.
7981 * dwarf2out.c (expand_builtin_dwarf_fp_regnum): Used by __throw.
7982 * except.c (expand_builtin_unwind_init): Hook for dwarf2 __throw.
7983 (expand_builtin_extract_return_addr): Likewise.
7984 (expand_builtin_frob_return_addr): Likewise.
7985 (expand_builtin_set_return_addr_reg): Likewise.
7986 (expand_builtin_eh_stub): Likewise.
7987 (expand_builtin_set_eh_regs): Likewise.
7988 (eh_regs): Choose two call-clobbered registers for passing back values.
7990 * frame.c, frame.h: New files for parsing dwarf 2 frame info.
7991 * Makefile.in (LIB2ADD): New variable. Add $(srcdir)/frame.c.
7992 (libgcc2.a): Use it instead of $(LIB2FUNCS_EXTRA) $(LANG_LIB2FUNCS)
7993 (stmp-multilib): Likewise.
7994 ($(T)crtbegin.o, $(T)crtend.o): Add -fno-exceptions.
7996 * except.c: #include "defaults.h".
7997 (exceptions_via_longjmp): Default depends on DWARF2_UNWIND_INFO.
7998 (emit_throw): Don't defeat assemble_external if DWARF2_UNWIND_INFO.
7999 (register_exception_table_p): New fn.
8000 (start_eh_unwinder): Don't do anything if DWARF2_UNWIND_INFO.
8001 (end_eh_unwinder): Likewise.
8003 * crtstuff.c: Wrap .eh_frame section, use EH_FRAME_SECTION_ASM_OP,
8004 call __register_frame and __deregister_frame as needed.
8005 * varasm.c (eh_frame_section): New fn if EH_FRAME_SECTION_ASM_OP.
8006 * dwarf2out.c (EH_FRAME_SECTION): Now a function-like macro. Check
8007 EH_FRAME_SECTION_ASM_OP.
8008 * sparc/sysv4.h (EH_FRAME_SECTION_ASM_OP): Define.
8009 * mips/iris6.h: (EH_FRAME_SECTION_ASM_OP): Define.
8010 (LINK_SPEC): Add __EH_FRAME_BEGIN__ to hidden symbols.
8012 * dwarf2out.c (output_call_frame_info): If no support for
8013 EXCEPTION_SECTION, mark the start of the frame info with a
8015 * collect2.c (frame_tables): New list.
8016 (is_ctor_dtor): Recognise frame entries.
8017 (scan_prog_file): Likewise.
8018 (main): Pass -fno-exceptions to sub-compile. Also do collection
8019 if there are any frame entries.
8020 (write_c_file_stat): Call __register_frame_table and
8021 __deregister_frame as needed.
8022 (write_c_file_glob): Likewise.
8024 * defaults.h (DWARF2_UNWIND_INFO): Default to 1 if supported.
8025 Also require unaligned reloc support.
8026 * sparc.h (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP,
8027 UNALIGNED_DOUBLE_INT_ASM_OP): Define here.
8028 * sparc/sysv4.h: Not here.
8030 * toplev.c (compile_file): Call dwarf2out_frame_{init,finish}.
8031 * dwarf2out.c (dwarf2out_init): Don't call dwarf2out_frame_init.
8032 (dwarf2out_finish): Don't call dwarf2out_frame_finish.
8034 * libgcc2.c (L_eh): Reorganize, moving code shared by different
8035 EH implementations to the top.
8036 (find_exception_handler): Split out. Start from 0. Compare against
8038 (__find_first_exception_table_match): Use it.
8039 * except.c (output_exception_table): Don't do anything if there's
8040 no table. Don't output a first entry of zeroes.
8041 (eh_outer_context): Adjust properly.
8042 (add_eh_table_entry): Use xrealloc.
8043 * toplev.c (compile_file): Just call output_exception_table.
8045 Wed Sep 10 11:30:36 1997 Jason Merrill <jason@cygnus.com>
8047 * i386.c (ix86_prologue): Add dwarf2 support for !do_rtl case.
8049 Wed Sep 10 08:17:10 1997 Torbjorn Granlund <tege@pdc.kth..se>
8051 * except.c (eh_outer_context): Do masking using expand_and.
8053 Wed Sep 10 01:38:30 1997 Doug Evans <dje@cygnus.com>
8055 Add port done awhile ago for the ARC cpu.
8056 * arc/arc.h: New file.
8057 * arc/arc.c: New file.
8058 * arc/arc.md: New file.
8059 * arc/initfini.c: New file.
8060 * arc/lib1funcs.asm: New file.
8061 * arc/t-arc: New file.
8062 * arc/xm-arc.h: New file.
8063 * ginclude/va-arc.h: New file.
8064 * ginclude/stdarg.h: Include va-arc.h ifdef __arc__.
8065 * ginclude/varargs.h: Likewise.
8066 * Makefile.in (USER_H): Add va-arc.h.
8067 * configure.in (arc-*-elf*): Recognize.
8068 * longlong.h: Add ARC support.
8070 Wed Sep 10 01:32:54 1997 Jeffrey A Law (law@cygnus.com)
8072 * expr.c (clear_storage): Use CONST0_RTX instead of const0_rtx.
8073 when clearing non-BLKmode data.
8075 Wed Sep 10 00:29:29 1997 Manfred Hollstein <manfred@s-direktnet.de>
8077 * m88k/sysv3.h (INITIALIZE_TRAMPOLINE) Define.
8078 * libgcc2.c (__enable_execute_stack): Provide for sysV88 too.
8080 * xm-m88k.h (USG): Only define if it hasn't already been defined.
8082 * Makefile.in (risky-stage1): Delete gratutious whitespace.
8084 * Makefile.in (clean): Delete libgcc1-test.
8086 * Makefile.in (INSTALL): cd to $(srcdir) before running texinfo.
8088 Tue Sep 9 17:07:36 1997 Stan Cox <coxs@dg-rtp.dg.com>
8090 * m88k.c (m88k_expand_prologue): Set MEM_IN_STRUCT_P of va_list
8093 Tue Sep 9 09:50:02 1997 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8095 * dwarf2out.c (output_call_frame_info): Call named_section.
8097 Tue Sep 9 09:12:17 1997 Jeffrey A Law (law@cygnus.com)
8099 * haifa-sched.c (print_value): Fix last change.
8101 Tue Sep 9 01:30:37 1997 Jason Merrill <jason@yorick.cygnus.com>
8103 * mips.h (DWARF_FRAME_REGNUM): Use the same numbering regardless of
8106 Mon Sep 8 16:32:43 1997 Jason Merrill <jason@yorick.cygnus.com>
8108 * mips.c (function_prologue): Set up the CFA when ABI_32.
8110 * sparc.c (save_regs): Check dwarf2out_do_frame instead of DWARF2_DEBUG
8111 for dwarf2 unwind info.
8112 (output_function_prologue, sparc_flat_output_function_prologue): Same.
8114 * final.c (final_end_function): Check dwarf2out_do_frame instead
8115 of DWARF2_DEBUG for dwarf2 unwind info.
8116 (final_scan_insn): Likewise.
8117 (final_start_function): Likewise. Initialize dwarf2 frame debug here.
8120 * expr.c (expand_builtin_return_addr): Only SETUP_FRAME_ADDRESSES if
8123 * varasm.c (exception_section): Check EXCEPTION_SECTION first.
8125 Mon Sep 8 15:15:11 1997 Nick Clifton <nickc@cygnus.com>
8127 * v850.h (ASM_SPEC): Pass on target processor.
8128 (CPP_PREDEFINES): Only define if not already specified.
8129 (TARGET_VERSION): Only define if not already specified.
8130 (MASK_CPU, MASK_V850, MASK_DEFAULT): Bits to specify target
8132 (EXTRA_SWITCHES): Extra entries in the switches array.
8133 (TARGET_DEFAULT): Set default target processor.
8135 Mon Sep 8 18:26:35 1997 Jim Wilson <wilson@cygnus.com>
8137 * m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): In MOTOROLA
8138 cases, add %# and %/, and add : to make them into extended asms.
8140 Sun Sep 7 23:57:50 1997 Weiwen Liu <liu@hepunix.physics.yale.edu>
8142 * alias.c (init_alias_analysis): Clean up incompatible pointer
8143 type warning in bzero.
8144 * regmove.c (regmove_optimize): Ditto.
8145 * haifa-sched.c (find_rgns): Ditto.
8147 * haifa-sched.c (print_value): Clean up ptr->int cast
8150 Sun Sep 7 23:18:32 1997 Fred Fish <fnf@ninemoons.com>
8152 * INSTALL: Change 'amigados' to 'amigaos' to match current usage.
8153 * install.texi (Configurations): Ditto.
8154 * config.sub: Ditto.
8156 Sun Sep 7 22:56:56 1997 Weiwen Liu (liu@hepvms.physics.yale.edu)
8158 * Makefile.in (sdbout.o): Depend on insn-config.h.
8160 Sun Sep 7 18:44:50 1997 Jim Wilson <wilson@cygnus.com>
8162 * m68k/m68k.h (TARGET_SWITCHES): For 68000, 68302, subtract MASK_68881.
8163 For 68303, 68332, cpu32, subtract MASK_68040_ONLY.
8165 Sun Sep 7 18:30:46 1997 Jason Merrill <jason@yorick.cygnus.com>
8167 * dwarf2out.c (dwarf2out_frame_debug): Assume that in a PARALLEL
8168 prologue insn, only the first elt is significant.
8169 (output_call_frame_info): For exception handling, always use 4-byte
8170 fields as specified by the dwarf2 spec.
8171 Don't skip trivial FDEs.
8173 Sun Sep 7 14:19:39 1997 Jeffrey A Law (law@cygnus.com)
8175 * version.c: Bump for snapshot.
8177 Sun Sep 7 14:17:36 1997 Torbjorn Granlund (tege@pdc.kth.se)
8179 * expmed.c (expand_divmod): Make op1_is_pow2 depend on unsignedp
8180 for negative constants. Promote EXACT_DIV_EXPR to TRUNC_DIV_EXPR
8183 Sun Sep 7 13:46:46 1997 Jeffrey A Law (law@cygnus.com)
8185 * final.c (shorten_branches): During first pass, assume worst
8186 possible alignment for ADDR_VEC and ADDR_VEC_DIFF insns.
8188 * Makefile.in (distclean): Remove various things left around
8189 by running the testsuite.
8191 Sun Sep 7 13:16:06 1997 Manfred Hollstein <manfred@s-direktnet.de>
8193 * configure.in (out_file): Emit definition to config.status in order
8194 to have a defined value for configure.lang.
8195 * configure: Re-built.
8197 Sun Sep 7 09:59:08 1997 Jan-Jaap van der Heijden (J.J.vanderHeijden@student.utwente.nl)
8199 * configure.in: Make symlink to as-new rather than as.new. Similarly
8201 * configure: Rebuilt.
8203 Fri Sep 5 16:54:55 1997 Jim Wilson <wilson@cygnus.com>
8205 * profile.c (output_func_start_profiler): Set DECL_EXTERNAL to zero.
8207 Fri Sep 5 16:16:44 1997 Christian Kuehnke <Christian.Kuehnke@arbi.Informatik.Uni-Oldenburg.DE>
8209 * sparc/sparc.md: Add ultrasparc scheduling support.
8210 * sparc/sparc.h (RTX_COSTS): For MULT give v9 a cost of 25 insns.
8212 Fri Sep 5 14:04:59 1997 Philippe De Muyter <phdm@info.ucl.ac.be>
8214 * integrate.c (save_for_inline_copying): Use 0, not NULL_PTR,
8215 as initial value for real_label_map.
8216 (copy_for_inline): Likewise.
8218 Fri Sep 5 13:36:44 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8220 * sched.c (update_flow_info) When looking if to set found_split_dest
8221 or found_orig_dest, look at all parts of a PARALLEL.
8222 * haifa-sched.c (update_flow_info): Likewise.
8224 Fri Sep 5 10:08:44 1997 Jeffrey A Law (law@cygnus.com)
8226 * v850: New directory for v850 port.
8227 * v850/lib1funcs.asm: New file.
8228 * t-v850, v850.c, v850.h, v850.md, xm-v850.h: New files.
8229 * ginclude/va-v850.h: New file.
8230 * ginclude/varargs.h, ginclude/stdarg.h: Include va-mn10200.h.
8231 * configure.in (mn10200-*-*): New target.
8232 * configure: Rebuilt.
8233 * config.sub: Handle v850-elf.
8234 * Makefile.in (USER_H): Add va-mn10200.h.
8235 * invoke.texi: Document v850 stuff.
8237 Fri Sep 5 09:37:50 1997 Jim Wilson (wilson@cygnus.com)
8239 * sdbout.c (plain_type_1, case ARRAY_TYPE): Verify that TYPE_DOMAIN
8240 has integer TYPE_{MAX,MIN}_VALUE before using them.
8242 * m68k/m68k.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Add
8243 __HPUX_ASM__ versions.
8245 Fri Sep 5 09:08:44 1997 Jeffrey A Law (law@cygnus.com)
8247 * install.sh: Delete duplicate install script.
8249 Thu Sep 4 23:14:27 1997 Stan Cox (coxs@dg-rtp.dg.com)
8251 * reg-stack.c (subst_stack_regs): Pop the stack register for a
8252 computed goto which sets the same stack register.
8254 * reg-stack.c (compare_for_stack_reg): Swap only if the source and
8255 destination are both on the regstack.
8256 (subst_stack_regs_pat): Put the destination at the top of the regstack.
8258 Thu Sep 4 15:02:27 1997 Jim Wilson <wilson@cygnus.com>
8260 * mips.md (nonlocal_goto_receiver): Define.
8262 * profile.c (output_arc_profiler): Check next_insert_after for non
8263 NULL before deferencing it.
8265 * i386/t-sol2 (TARGET_LIBGCC2_CFLAGS): Define to -fPIC.
8267 Thu Sep 4 14:51:57 1997 Jeffrey A Law (law@cygnus.com)
8269 * i386.h (CPP_CPU_DEFAULT): Avoid using #elif.
8271 Thu Sep 4 15:01:49 1997 Michael Meissner <meissner@cygnus.com>
8273 * toplev.c (rest_of_compilation): For passes starting with
8274 flow_analysis, use print_rtl_with_bb instead of print_rtl.
8276 * print-rtl.c (print_rtl_single): Print a single rtl value to a
8279 * flow.c (print_rtl_with_bb): Print which insns start and end
8280 basic blocks. For the start of a basic block, also print the live
8283 Thu Sep 4 11:51:43 1997 Jim Wilson <wilson@cygnus.com>
8285 * toplev.c (main): Change #elif to #else/#ifdef
8287 * tlink.c: Include ctype.h.
8288 * ginclude/va-mips.h: Add _VA_MIPS_H_ENUM ifdef/define/endif.
8290 Thu Sep 4 11:17:16 1997 Mikeael Meissner (meissner@cygnus.com)
8292 * bitmap.c: Conditionally include stdlib.h.
8293 (free): Provide a declaration if NEED_DECLARATION_FREE.
8295 Thu Sep 4 09:58:53 1997 Joel Sherrill (joel@OARcorp.com)
8297 * i960/i960.h: Added default for SUBTARGET_SWITCHES macro.
8299 Thu Sep 4 09:53:20 1997 Jim Wilson (wilson@cygnus.com)
8301 * profile.c (output_arc_profiler): Verify next_insert_after is an
8302 INSN before and after skipping a stack pop.
8304 Thu Sep 4 07:39:19 1997 J"orn Rennecke <amylaar@cygnus.co.uk>
8306 * final.c (shorten_branches): Don't count the lengths of deleted
8309 Thu Sep 4 09:43:01 1997 Jeffrey A Law (law@cygnus.com)
8311 * version.c: Bump for snapshot.
8313 Thu Sep 4 11:04:21 1997 Michael Meissner <meissner@cygnus.com>
8315 * bitmap.h (EXECUTE_IF_AND_IN_BITMAP): New macro, to iterate over
8316 two bitmaps ANDed together.
8317 (bitmap_print): Declare.
8319 * bitmap.c (function_obstack): Don't declare any more.
8320 (bitmap_obstack): Obstack for allocating links from.
8321 (bitmap_obstack_init): New static to say whether to initialize
8323 (bitmap_element_allocate): Use bitmap_obstack to allocate from.
8324 (bitmap_release_memory): Free all memory allocated from
8327 * basic-block.h (EXECUTE_IF_AND_IN_REG_SET): New macro, invoke
8328 EXECUTE_IF_AND_IN_BITMAP.
8330 Wed Sep 3 10:39:42 1997 Jim Wilson <wilson@cygnus.com>
8332 * alias.c (true_dependence): Address with AND can alias scalars.
8333 (anti_dependence, output_dependence): Likewise.
8335 * alias.c (true_dependence): Test x for BLKmode, in addition to mem.
8337 Wed Sep 3 09:28:50 CDT 1997 Joel Sherrill (joel@OARcorp.com)
8339 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h, m68k/rtems.h,
8340 mips/rtems64.h, pa/rtems.h, rs6000/rtems.h, sh/rtems.h,
8341 sparc/rtems.h (subtarget_switches): Removed SUBTARGET_SWITCHES
8342 definitions. Use -qrtems instead of -mrtems.
8344 Wed Sep 3 09:05:41 1997 Robert Lipe (robert@dgii.com)
8346 * xm-sco5.h (sys_siglist): Define.
8347 (SYS_SIGLIST_DECLARED): Likewise.
8349 Tue Sep 2 23:33:33 1997 Jeffrey A Law (law@cygnus.com)
8351 * expr.c (convert_move): Handle truncation from TQFmode to QFmode.
8353 Wed Sep 3 02:09:30 1997 Torbjorn Granlund <tege@pdc.kth..se>
8355 * except.c (eh_outer_context): Expand masking operation using
8358 Tue Sep 2 18:09:39 1997 Jim Wilson <wilson@cygnus.com>
8360 * alpha.md (floatdisf2-1): New pattern.
8362 Tue Sep 2 18:41:55 1997 Jeffrey A Law (law@cygnus.com)
8364 * xm-svr4.h (SYS_SIGLIST_DECLARED): Define.
8365 * xm-news.h (SYS_SIGLIST_DECLARED): Likewise.
8366 * xm-sysv4.h (SYS_SIGLIST_DECLARED): Likewise.
8367 * gcc.texi: Note that if you define sys_siglist that you should
8368 also define SYS_SIGLIST_DECLARED.
8370 * mn10200.h (INITIALIZE_TRAMPOLINE): PC relative instructions
8371 are relative to the next instruction, not the current instruction.
8373 Tue Sep 2 14:22:43 1997 Jim Wilson <wilson@cygnus.com>
8375 * local-alloc.c (contains_replace_regs): New function.
8376 (update_equiv_regs): When adding a REG_EQUIV note for a set of a MEM,
8377 verify that there is no existing REG_EQUIV note, and add a call to
8378 contains_place_regs.
8380 Tue Sep 2 12:48:11 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8382 * config/alpha/elf.h (CPP_PREDEFINES): Add -D__PIC__ -D__pic__.
8383 (STARTFILE_SPEC): Always use crtbegin.o%s
8384 (ENDFILE_SPEC): Always use crtend.o%s.
8386 Tue Sep 2 12:00:36 1997 Jim Wilson <wilson@cygnus.com>
8388 * alpha/alpha.h (PREFERRED_RELOAD_CLASS): Return NO_REGS if NO_REGS
8390 * emit-rtl.c (gen_lowpart_common): Add code to convert CONST_INT to
8391 SFmode for 64 bit hosts.
8393 Tue Sep 2 13:42:38 1997 Paul N. Hilfinger <hilfingr@CS.Berkeley.EDU>
8395 * fixincludes: Permits spaces between # and define. Discard C++
8396 comments in sys/pci.h on HP/UX 10.20.
8398 Mon Sep 1 22:13:18 1997 Jeffrey A Law (law@cygnus.com)
8400 * version.c: Bump for snapshot.
8402 * pa.c (restore_unscaled_index_insn_codes): New function.
8403 (record_unscaled_index_insn_codes): Likewise.
8404 (output_function_prologue): Call restore_unscaled_index_insn_codes.
8405 (output_function_epilogue): Free memory for unscaled_index_insn_codes.
8406 (pa_reorg): Call record_unscaled_index_insn_codes.
8408 * haifa-sched.c (move_insn): Handle notes correctly for insns
8409 with SCHED_GROUP_P set.
8411 Mon Sep 1 16:58:57 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8413 * alpha/xm-linux.h (USE_BFD): Undef before define.
8415 Mon Sep 1 16:25:34 1997 Jim Wilson <wilson@cygnus.com>
8417 * cse.c (cse_insn): Don't record BLKmode values.
8419 Mon Sep 1 11:25:47 1997 Stephen Williams (steve@icarus.icarus.com)
8421 * i960.h (LINK_SPEC): Handle "-mjX" and "-mrp" switches.
8423 Mon Sep 1 08:29:46 1997 Jeffrey A Law (law@cygnus.com)
8425 * cccp.c (sys_errlist): Remove special 4.4bsd declaration.
8426 * collect2.c (sys_errlist): Likewise.
8427 * cpplib.c (sys_errlist): Likewise.
8428 * gcc.c (sys_errlist): Likewise.
8429 * protoize (sys_errlist): Likewise.
8430 * configure.in: Check for strerror.
8431 * xm-freebsd.h (HAVE_STRERROR): Remove definition.
8432 * xm-gnu.h (HAVE_STRERROR): Likewise.
8433 * xm-linux.h (HAVE_STRERROR): Likewise.
8434 * xm-netbsd.h (HAVE_STRERROR): Likewise.
8435 * xm-bsd386.h (HAVE_STRERROR): Likewise.
8436 * xm-cygwin32.h (HAVE_STRERROR): Likewise.
8437 * xm-dos.h (HAVE_STRERROR): Likewise.
8438 * xm-mingw32.h (HAVE_STRERROR): Likewise.
8439 * xm-pa.h (HAVE_STRERROR): Likewise.
8440 * xm-papro.h (HAVE_STRERROR): Likewise.
8441 * xm-sysv4.h (HAVE_STRERROR): Likewise.
8442 * configure, config.in: Rebuilt.
8444 * Makefile.in: Add several missing "else true" clauses.
8446 * collect2.c: Change DONT_DECLARE_SYS_SIGLIST to SYS_SIGLIST_DECLARED.
8447 * mips-tfile.c: Likewise.
8448 * gcc.texi: DONT_DECLARE_SYS_SIGLIST: Remove docs.
8449 * xm-linux.h (DONT_DECLARE_SYS_SIGLIST): Delete definition.
8450 * xm-freebsd.h, xm-bsd386.h, xm-sysv4.h, xm-sol2.h: Likewise.
8451 * configure.in: Check for sys_siglist declaration.
8452 * configure, config.in: Rebuilt.
8454 Mon Sep 1 08:04:07 1997 Joel Sherrill (joel@OARcorp.com)
8456 * i386/go32-rtems.h, i386/rtems.h, i960/rtems.h,
8457 m68k/rtems.h, mips/rtems64.h, pa/rtems.h, rs6000/rtems.h,
8458 sparc/rtems.h (subtarget_switches): Added -mrtems as a switch.
8459 * i960/i960.h: Added SUBTARGET_SWITCHES macro.
8460 * rs6000/sysv4.h (extra_subtarget_switches): Added new
8461 macro EXTRA_SUBTARGET_SWITCHES.
8462 * configure.in (sh*-*-rtems*): New target.
8463 * sh/rtems.h: New file.
8464 * sh/sh.h: Added SUBTARGET_SWITCHES macro.
8465 * configure: Rebuilt.
8467 Sat Aug 30 22:54:26 1997 Jim Wilson <wilson@cygnus.com>
8469 * unroll.c (calculate_giv_inc): Handle increment with code PLUS.
8471 Sat Aug 30 10:49:46 1997 David Edelsohn <edelsohn@mhpcc.edu>
8473 * rs6000.md: Make DF fused-add operations pay attention to
8476 Fri Aug 29 19:19:54 1997 Jim Wilson <wilson@cygnus.com>
8478 * i386/xm-sysv4.h (DONT_DECLARE_SYS_SIGLIST): Define.
8480 Fri Aug 29 16:13:51 1997 Jeffrey A Law (law@cygnus.com)
8482 * pa.md (reload_peepholes): Make sure operand is a REG before
8483 examining REGNO. Allow general registers too.
8485 Fri Aug 29 11:42:04 1997 Jim Wilson <wilson@cygnus.com>
8487 * varasm.c (mark_constants): Don't look inside CONST_DOUBLEs.
8489 Fri Aug 29 09:33:20 1997 Philipp Thomas (kthomas@lxi165.gwdg.de)
8491 * dwarf2out.c (build_abbrev_table): Use xrealloc, not xmalloc
8492 to reallocate abbrev_die_table.
8494 Thu Aug 28 15:14:46 1997 Jim Wilson <wilson@cygnus.com>
8496 * m68k/m68k.md (iorsi_zexthi_ashl16): Disable.
8498 1997-08-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
8500 * Makefile.in (config.status): Depend on version.c
8502 * expr.h (insn_gen_function): Reenable prototype.
8504 * expr.c (move_by_pieces_1, clear_by_pieces_1): Fix prototype of
8507 Thu Aug 28 13:01:43 1997 Jim Wilson <wilson@cygnus.com>
8509 * i386.c (ix86_expand_epilogue): Emit blockage instruction when pic.
8511 Thu Aug 28 07:03:15 1997 Jeffrey A Law (law@cygnus.com)
8513 * version.c: Bump for latest snapshot.
8515 * bc-optab.c: Conditionally include stdlib.h.
8516 (free): Provide a declaration if NEED_DECLARATION_FREE.
8517 * tree.c (free): Provide a declaration if NEED_DECLARATION_FREE.
8518 * rtl.h (free): Remove declaration.
8519 * tree.h (free): Remvoe declaration.
8521 * configure: Rebuilt.
8523 Wed Aug 27 21:32:20 1997 Jeffrey A Law (law@cygnus.com)
8525 * flags.h (flag_move_all_movables): Declare.
8526 (flag_reduce_all_givs): Likewise.
8527 * loop.c (move_movables): Handle flag_move_all_movables.
8528 (strength_reduce): Handle flag_reduce_all_givs.
8529 * toplev.c (flag_move_all_movables): Define.
8530 (flag_reduce_all_givs): Likewise.
8531 (f_options): Add -fmove-all-movables and -freduce-all-givs.
8532 * invoke.texi: Document new options, including alias stuff that
8533 wasn't included last time.
8535 Wed Aug 27 18:08:51 1997 Bob Manson (manson@cygnus.com)
8537 * t-h8300: Use TARGET_LIBGCC2_CFLAGS instead of LIBGCC2_CFLAGS.
8540 * t-vxworks68: Ditto.
8541 * t-vxworks960: Ditto.
8544 Wed Aug 27 16:35:29 1997 Richard Henderson <rth@cygnus.com>
8546 * alpha/xm-alpha.h (alloca): Define alloca to builtin_alloca for GNUC
8547 if not already defined, and USE_C_ALLOCA not defined.
8549 Wed Aug 27 16:08:43 1997 Jim Wilson <wilson@cygnus.com>
8551 * config.guess: Replace with script that uses ../config.guess.
8553 * config/alpha/elf.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1
8554 if USE_GNULIBC_1 is not defined.
8556 Wed Aug 27 15:49:12 1997 Richard Henderson <rth@cygnus.com>
8558 * alpha/elf.h (LINK_SPEC): Conditionalize on USE_GNULIBC_1.
8559 * config.guess: Recognize alpha-linux-gnulibc1.
8560 * configure.in (alpha-*-linux-gnulibc1): New target.
8561 (alpha-*-linux-gnu*): Don't build crtbegin/end.
8563 Wed Aug 27 11:52:58 1997 Jim Wilson <wilson@cygnus.com>
8565 * m68k.md (iorsi3_internal): Readd ! TARGET_5200 check lost in
8568 Wed Aug 27 01:56:18 1997 Doug Evans <dje@seba.cygnus.com>
8570 * loop.c (combine_movables): Earlier insns don't match later ones.
8572 Wed Aug 27 01:24:25 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8574 * config/linux.h (CC1_SPEC): Define it only if not defined.
8576 * config/m68k/linux.h (CC1_SPEC): Undefine it before include
8579 * config/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1 if
8580 USE_GNULIBC_1 is not defined.
8582 * config/rs6000/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined as 1.
8584 * config/sparc/linux.h (DEFAULT_VTABLE_THUNKS): New. Defined
8585 as 1 if USE_GNULIBC_1 is not defined.
8587 Wed Aug 27 00:49:14 1997 Jeffrey A Law (law@cygnus.com)
8589 * reorg.c (dbr_schedule): Allow current_function_return_rtx
8590 to be something other than a REG.
8591 * function.c (expand_function_end): Fix current_function_return_rtx
8594 * t-freebsd (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS.
8595 * x-netbsd: Likewise
8596 * x-dgux (USER_H): Include EXTRA_HEADERS and LANG_EXTRA_HEADERS
8597 (INSTALL_HEADERS): Delete.
8598 * x-dguxbcs: Likewise.
8599 * x-hp3bsd44: Likewise
8602 Wed Aug 27 00:30:00 1997 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
8604 * i386.md (pop): pop increments the stack pointer.
8605 (prologue_set_stack_ptr): New pattern.
8606 * i386.c (ix86_expand_prologue): Use prologue_set_stack_ptr
8609 Tue Aug 26 18:50:32 1997 Jim Wilson <wilson@cygnus.com>
8611 * reload.c (find_reloads, case '0'): Reject matching a non-offsettable
8612 address where an offsettable address is required.
8614 Tue Aug 26 17:54:56 1997 Michael P. Hayes (michaelh@ongaonga.chch.cri.nz>
8616 * loop.c (check_final_value): Don't miss a biv increment in a
8619 Tue Aug 26 12:03:49 1997 Jim Wilson (wilson@cygnus.com)
8621 * dwarfout.c (dwarfout_file_scope_decl, case TYPE_DECL): Check
8622 TYPE_DECL_IS_STUB instead of DECL_NAME.
8624 Mon Aug 25 23:27:10 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8626 * objc/Make-lang.in ($(OBJC_O)): Also depend on cc1obj.
8628 Mon Aug 25 23:27:10 1997 Jim Meyering <meyering@eng.ascend.com>
8630 * objc/Make-lang.in ($(OBJC_O)): Also depend on $(GCC_PASSES).
8632 Mon Aug 25 13:12:24 1997 Jeffrey A Law (law@cygnus.com)
8634 * haifa-sched.c (find_pre_sched_live): Remove #if 0 code.
8635 (find_post_sched_live): Likewise.
8637 * haifa-sched.c (schedule_block): Remove old code to get arguments
8638 from hard regs into pseudos early.
8640 Mon Aug 25 08:55:00 1997 Jeffrey A Law (law@cygnus.com)
8642 * version.c: Bump for new snapshot.
8644 * local-alloc.c (update_equiv_regs): All the target to reject
8645 promotion of some REG_EQUAL to REG_EQUIV notes.
8646 * pa.h (DONT_RECORD_EQUIVALENCE): Define.
8648 * pa.c (secondary_reload_class): (mem (mem ... )) does not need
8651 * pa.c (hppa_builtin_saveregs): Emit a blockage insn after the
8652 store of the argument registers.
8654 Mon Aug 25 08:39:02 1997 Craig Burley (burley@gnu.ai.mit.edu)
8656 * fold-const.c (multiple_of_p): New function.
8657 (fold): Turn some cases of *_DIV_EXPR into EXACT_DIV_EXPR.
8659 Mon Aug 25 01:47:41 1997 Jeffrey A Law (law@cygnus.com)
8661 * expr.h (insn_gen_function): Temporarily remove prototype.
8663 Sun Aug 24 17:22:21 1997 Jim Wilson <wilson@cygnus.com>
8665 * Makefile.in (install-info): Don't cd into srcdir. Add srcdir to
8666 filenames. Use sed to extract base filename for install.
8668 Sat Aug 23 18:19:40 1997 John F. Carr <jfc@mit.edu>
8670 * unroll.c (find_splittable_givs): Only share if two givs have the
8671 same add and multiply values.
8673 Sat Aug 23 14:36:27 1997 Jim Wilson <wilson@cygnus.com>
8675 * m68k/next.h (GO_IF_INDEXABLE_BASE): Fix typo in undef.
8676 * m68k/m68kemb.h (LIB_SPEC): Add missing comment end before it.
8678 Sat Aug 23 00:18:22 1997 Jeffrey A Law (law@cygnus.com)
8680 * pa.c (pa_reorg): Always put begin_brtab and end_brtab insns
8681 around branch tables.
8682 * pa.md (begin_brtab, end_brtab): Only emit the .begin_brtab
8683 and .end_brtab directives if TARGET_GAS.
8685 Fri Aug 22 14:05:55 1997 Jim Wilson <wilson@cygnus.com>
8687 * alias.c (true_dependence): Pass x_addr not x to varies.
8689 * acconfig.h (NEED_DECLARATION_CALLOC): Add.
8690 * configure.in: Add GCC_NEED_DECLARATION call for calloc.
8691 * rs6000/xm-rs6000.h (malloc, realloc, calloc, free): Delete
8693 * config.in, configure: Regenerate.
8695 Thu Aug 21 23:52:16 1997 John F. Carr <jfc@mit.edu>
8697 * alias.c (find_base_value): Improve handling of PLUS, MINUS, and
8699 (record_set): Handle LO_SUM like PLUS.
8700 (init_alias_analysis): When following chains of base addresses,
8701 do not stop on reaching a hard register.
8703 Thu Aug 21 20:17:37 1997 Jeffrey A Law (law@cygnus.com)
8705 * version.c: Bump for new snapshot.
8707 Thu Aug 21 17:28:00 1997 Jim Wilson <wilson@cygnus.com>
8709 * alpha.h (ARCH_ASM_FILE_START): Define.
8710 (ASM_FILE_START): Use ARCH_ASM_FILE_START.
8711 * osf12.h, osf2or3.h (ARCH_ASM_FILE_START): Redefine to null string.
8713 Thu Aug 21 10:22:19 1997 Jeffrey A Law (law@cygnus.com)
8715 * Makefile.in (install-common): Put gcov comment at start of line.
8717 Wed Aug 20 22:47:33 1997 Jeffrey A Law (law@cygnus.com)
8719 * alias.c (init_alias_analysis): When simplifying the reg_base_value
8720 array, simplify entries for hard registers too.
8722 Wed Aug 20 12:35:47 1997 Dave Love <d.love@dl.ac.uk>
8724 * dwarf2.h (enum dwarf_call_frame_info): Remove trailing comma from
8727 Wed Aug 20 11:58:33 1997 Jim Wilson <wilson@cygnus.com>
8729 * stmt.c (start_cleanup_deferal, end_cleanup_deferal): Test
8730 block_stack before dereferencing it.
8732 Wed Aug 20 11:57:11 1997 Michael Meissner <meissner@cygnus.com>
8734 * rs6000.h (ISSUE_RATE): Define instead of MACHINE_issue_rate.
8736 Tue Aug 19 17:10:56 1997 Jason Merrill <jason@yorick.cygnus.com>
8738 * cplus-dem.c: Add 'extern' to prepends_underscore.
8740 Tue Aug 19 09:34:57 1997 Jeffrey A Law (law@cygnus.com)
8742 * haifa-sched.c (ISSUE_RATE): Renamed from MACHINE_issue_rate.
8743 (get_issue_rate): Delete.
8744 * pa.h (ISSUE_RATE): Define.
8746 * configure.in: Turn on haifa by default for the PA.
8747 * configure: Rebuilt.
8748 * pa.c (override_options): Accept -mschedule=7200 option.
8749 (pa_adjust_cost): No longer need to scale costs for newer
8751 * pa.h (enum processor_type): Add PROCESSOR_7200.
8752 * pa.md: Revamp scheduling parameters to work better with
8753 haifa. Add scheduling parameters for the 7200.
8755 * haifa-sched.c (move_insn): Reemit notes for SCHED_GROUP_P
8757 (schedule_block): When adjusting basic_block_{head,end}, account
8758 for movement of SCHED_GROUP_P insns too.
8760 * haifa-sched.c (debug_dependencies): Fix thinko.
8762 * Makefile.in (EXPECT, RUNTEST, RUNTESTFLAGS): Define.
8763 (site.exp, check, check-g++, check-gcc): New targets.
8765 * haifa-sched.c: Make lots of variables static.
8767 Tue Aug 19 07:18:34 1997 H.J. Lu (hjl@gnu.ai.mit.edu)
8769 * expr.h, real.h: Finish prototyping.
8771 Mon Aug 18 21:49:02 1997 Jim Wilson <wilson@cygnus.com>
8773 * reload.c (find_reloads): Add code to convert RELOAD_FOR_OPADDR_ADDR
8774 reloads to RELOAD_FOR_OPERAND_ADDRESS reloads.
8775 * reload1.c: Undo bugfix from Aug 11.
8777 Mon Aug 18 17:39:02 1997 Mike Meissner <meissner@cygnus.com>
8779 * configure.in ({powerpc,rs6000}*-*-*, --with-cpu): Remove single
8780 quotes around the name.
8781 * configure: Regenerate.
8783 Mon Aug 18 13:46:47 1997 Jim Wilson <wilson@cygnus.com>
8785 * Makefile.in (stmp-multilib-sub): Fix typo in last change.
8787 Thu Aug 7 10:33:13 1997 Manfred Hollstein <manfred@s-direktnet.de>
8789 * Makefile.in (sub-makes): Pass the current value of LANGUAGES down
8790 to sub-makes to avoid building more passes than the user might have
8791 requested on the command line.
8793 Sun Aug 17 15:42:17 1997 Dave Love (d.love@dl.ac.uk)
8795 * configure.in: Expurgate `broken_install' (install is
8798 * configure.lang: Substitute autoconfed ${INSTALL} (not currently
8801 Sat Aug 16 01:08:12 1997 Jeffrey A Law (law@cygnus.com)
8803 * loop.c (is_power_of_2, is_conditional_branch): Delete unused
8804 functions and declarations.
8805 (analyze_loop_iterations): Use condjump_p.
8806 (insert_bct): Likewise. Use exact_log2.
8808 Fri Aug 15 23:48:32 1997 Jeffrey A Law (law@cygnus.com)
8810 * haifa-sched.c (find_post_sched_live): Call FREE_REG_SET as needed.
8811 (schedule_region): Likewise.
8812 (schedule_insns): Likewise.
8814 * PROJECTS: Update with Haifa stuff.
8816 Fri Aug 15 12:49:56 1997 Jeffrey A Law (law@cygnus.com)
8818 * version.c: Change the version string to look like:
8819 egcs-2.90.00 970814 (gcc2-970802 experimental).
8821 * loop.c (is_conditional_branch): Make definition match declaration.
8823 * gcc.c: Take out experimental snapshot warning message.
8825 Fri Aug 15 13:43:39 1997 Michael Meissner <meissner@cygnus.com>
8827 * haifa-sched.c (debug_dependencies): Use GET_NOTE_INSN_NAME to
8828 print out the names of the notes. Print out the name of the insn
8829 that is not a note, and not an {,CALL_,JUMP_}INSN.
8831 Wed Aug 13 17:32:38 1997 Jason Merrill <jason@yorick.cygnus.com>
8833 * expr.c (expand_expr, case TARGET_EXPR): Call mark_addressable
8834 again for the slot after we give it RTL.
8836 Wed Aug 13 01:03:37 1997 Doug Evans <dje@canuck.cygnus.com>
8838 * configure.in (haifa configury): Fix typo.
8839 * configure: Regenerate.
8841 Tue Aug 12 10:20:36 1997 Jeffrey A Law (law@cygnus.com)
8843 * version.c: Bump version to "gcc-3.0.0 970802 experimental".
8845 * gcc.info*: Rebuilt.
8847 * COPYING.g77, README.g77: New files.
8848 * real.c (ereal_unto_float, ereal_unto_double): New functions.
8849 * real.h (ereal_unto_float, ereal_unto_double): Declare them.
8850 (REAL_VALUE_UNTO_TARGET_DOUBLE, REAL_VALUE_UNTO_TARGET_SINGLE): Define.
8852 Mon Aug 11 14:50:55 1997 Jeffrey A Law (law@cygnus.com)
8854 * Integrate Haifa instruction scheduler.
8855 * Makefile.in (ALL_CFLAGS): Add SCHED_CFLAGS. Prefix all references
8856 to sched with $(SCHED_CFLAGS.
8857 * configure.in: Handle --enable-haifa.
8858 * configure: Rebuilt.
8859 * flags.h: Add new flags for haifa instruction scheduler.
8860 * genattrtab.c (expand_units): For haifa, don't subtract one
8861 when computing blockage.
8862 * toplev.h (flag_schedule_interblock): Haifa scheduler flag.
8863 (flag_schedule_speculative): Ditto.
8864 (flag_schedule_speculative_load): Ditto.
8865 (flag_schedule_speculative_load_dangerous): Ditto.
8866 (flag_schedule_reverse_before_reload): Ditto.
8867 (flag_schedule_reverse_after_reload): Ditto.
8868 (flag_branch_on_count_reg): Ditto.
8869 (f_options): Add Haifa switches.
8870 (main): Turn off some Haifa options if appropriate macro is
8871 defined. Process Haifa switches.
8872 * unroll.c (iteration_info): No longer static, since Haifa
8874 (unroll_loop): Inform HAIFA scheduler about loop unrolling factor.
8875 * unroll.c (unroll_loop): Set loop_unroll_iter, loop_start_value.
8876 * loop.h (loop_unroll_factor, loop_number): Add HAIFA decls.
8877 * loop.h (loop_initial_value,loop_unroll_iter): New globals.
8878 * loop.c (loop_optimize): If HAIFA is defined, allocate additional
8879 storage for the Haifa scheduler.
8880 (mark_loop_jump): If HAIFA defined, set LABEL_OUTSIDE_LOOP_P and
8882 (strength_reduce): If HAIFA and HAVE_decrement_and_branch_on_count
8883 are defined, call analyze_loop_iterations and insert_bct to use
8885 (record_giv): Refine test for jumps out of loops if HAIFA is
8887 (analyze_loop_iterations): New function to identify if we can use
8889 (insert_bct): Insert countdown loop.
8890 (instrument_loop_bct): Low level code to insert countdown loop.
8891 (loop_number): Calculate UID of loop.
8892 (indirect_jump_in_function_p): Return true if an indirect jump is
8894 (is_power_of_2): Return true if value is a power of 2.
8895 (is_conditional_branch): Return true if insn is a conditional
8897 (fix_bct_param): Process -fbct-{min,max}-N switches.
8898 (check_bct_param): Return true if loop should be instrumented.
8899 * loop.c (loop_initial_value,loop_unroll_iter): New globals.
8900 (loop_optimize): Initialize.
8901 (get_condition_for_loop): Ditto.
8902 * loop.c (strength_reduce): Inside of code that uses #ifdef
8903 HAVE_decrement_and_branch_on_count code, test it to make sure the
8905 (instrument_loop_bct): Ditto.
8906 * haifa-sched.c: New file.
8909 * Integrate regmove pass.
8910 * Makefile.in (OBJS): Add regmove.o
8911 (regmove.o): Add dependencies.
8912 * flow.c (find_use_as_address): No longer static.
8913 * rtl.h (find_use_as_address): Declare.
8914 * toplev.c (regmove_dump, flag_regmove): Define.
8915 (f_options): Add -fregmove.
8916 (regmove_dump_file, regmove_time): Define.
8917 (fatal_insn): Close the regmove dump file.
8918 (compile_file): Initialize regmove_time; open/close the regmove dump
8919 file as needed. Print regmove time as needed.
8920 (rest_of_compilation): Run regmove pass if requested, dump
8921 RTL after regmove if requested.
8922 (main): If -O2 or more, turn on regmove. Handle dump switches.
8923 * regmove.c: New file.
8925 Mon Aug 11 14:15:02 1997 Jeffrey A Law (law@cygnus.com)
8927 * Integrate tlink patch from jason@cygnus.com
8928 * gcc.c (SWITCH_TAKES_ARG): Add 'V', 'B' and 'b'.
8929 (process_command): Increment n_switches for them. Don't discard
8930 their args. Validate them.
8931 (main): Escape " marks when creating COLLECT_GCC_OPTIONS.
8933 (process_command): Set include_prefixes from COMPILER_PATH.
8934 (main): Set COLLECT_GCC_OPTIONS sooner.
8935 * confiugre.in: Link ../ld/ld.new to collect-ld rather than real-ld.
8936 * tlink.c, hash.c, hash.h: New files.
8937 * Makefile.in (USE_COLLECT2): Always use collect2.
8938 (collect2): Depend on and link in hash.o and tlink.o.
8939 (tlink.o, hash.o): Add dependencies.
8941 Mon Aug 11 10:04:49 1997 Jeffrey A Law (law@cygnus.com)
8943 * Integrate alias analysis changes from jfc@mit.edu
8944 * Makefile.in (OBJS): Add alias.o
8945 (alias.o): Add dependencies.
8946 * alias.c: New file.
8947 * sched.c: Remove alias analysis code. It lives in alias.c now.
8948 (sched_analyze_2): Add new arguments to true_dependence.
8949 (schedule_insns): Always call init_alias_analysis.
8950 * calls.c (expand_call): Note calls to malloc, calloc, and realloc;
8951 mark return value from such functions as a pointer and keep track of
8952 them for alias analysis. If a return value from a function is a
8953 pointer, mark it as such.
8954 * combine.c (distribute_notes): Handle REG_NOALIAS.
8955 * cse.c (struct write_data): Delete. No longer needed.
8956 (invalidate): Don't call set_nonvarying_address_components anymore.
8957 Use true_dependence to decide if an entry should be removed from
8959 (invalidate_memory): Remove WRITES argument, simplify appropriately.
8961 (note_mem_written): Similarly for WRITE_PTR argument.
8962 (invalidate_from_clobbers): Similarly for W argument.
8963 (invalidate_for_call): Remove memory elements from the hash table.
8964 (refers_to_mem_p, cse_rtx_addr_varies_p): Deleted.
8965 (cse_rtx_varies_p): New function. Derived from old
8966 cse_rtx_addr_varies_p.
8967 (cse_insn): Remove WRITES_MEMORY and INIT variables and all references.
8968 Don't call note_mem_written anymore. Stack pushes invalidate the stack
8969 pointer if PUSH_ROUNDING is defined. No longer need to call
8970 cse_rtx_addr_varies_p to decide if a MEM should be invalidated.
8971 (skipped_writes_memory): Remove variable.
8972 (invalidate_skipped_set): Simplify and wewrite to use invalidate_memory.
8973 (invalidate_skipped_block): Simplify for new alias analysis code.
8974 (cse_set_around_loop): Likewise.
8975 (cse_main): Call init_alias_analysis.
8976 * flags.h (flag_alias_check, flag_argument_noalias): Declare.
8977 * toplev.c (flag_alias_check, flag_argument_noalias): Define.
8978 (f_options): Add new alias checking arguments.
8979 (main): Set flag_alias_check when optimizing.
8980 * local_alloc (validate_equiv_mem_from_store): Add new arguments
8982 (memref_referenced_p): Likewise.
8983 * loop.c (NUM_STORES): Increase to 30.
8984 (prescan_loop): Only non-constant calls set unknown_address_altered.
8985 (invariant_p): Add new arguments to true_dependence.
8986 (record_giv): Initialize unrolled and shared fields.
8987 (emit_iv_add_mult): Call record_base_value as needed.
8988 * loop.h (struct induction): Add unrolled and shared fields.
8989 * unroll.c (unroll_loop): Call record_base_value as needed.
8990 (copy_loop_body): Likewise.
8991 (final_biv_value): Likewise.
8992 (final_giv_value): Likewise.
8993 (find_splittable_regs): Likewise. Only create one new pseudo
8994 if we have multiple address GIVs that were combined with the same
8995 dst_reg GIV. Note when a new register is created due to unrolling.
8996 * rtl.c (reg_note_name): Add REG_NOALIAS.
8997 * rtl.h (enum reg_note): Similarly.
8998 (rtx_varies_p, may_trap_p, side_effects_p): Declare.
8999 (volatile_refs_p, volatile_insn_p, remove_note): Likewise.
9000 (note_stores, refers_to_regno_p, reg_overlap_mentioned_p): Likewise.
9001 (true_dependence, read_dependence, anti_dependence): Likewise.
9002 (output_dependence, init_alias_analysis, end_alias_analysis): Likewise.
9003 (mark_user_reg, mark_reg_pointer): Likewise.
9006 * Integrate reload bugfix from Wilon which enables the PA port
9008 * reload1.c (reload): Sum needs for both OPADDR_ADDR and
9009 OPERAND_ADDRESS when computing how many registers an insn needs.
9010 (reload_reg_free_p): OPADDR_ADDR and OPERAND_ADDRESS reloads do
9012 (reload_reg_free_before_p): Treat OPERAND_ADDRESS reloads just like
9014 (reload_reg_reaches_end_p): For RELOAD_FOR_OPADDR_ADDR insns, registers
9015 in reload_reg_use_in_op_addr do not reach the end.
9016 do not reach the end.
9017 (reloads_conflict): RELOAD_FOR_OPADDR_ADDR conflicts with
9018 RELOAD_FOR_OPERAND_ADDRESS.
9020 Sun Aug 10 12:00:20 1997 Jeffrey A Law (law@cygnus.com)
9022 * egcs project officially starts.
9025 add-log-time-format: current-time-string