1 Wed Sep 9 00:10:31 1998 Jeffrey A Law (law@cygnus.com)
3 * prefix.c (update_path): Correctly handle cases where PATH is
4 a substring of the builtin prefix, but specifies a different
7 Tue Sep 8 23:46:04 1998 Hans-Peter Nilsson <hp@axis.se>
9 * expr.c: Corrected comment about what MOVE_RATIO does.
10 * config/alpha/alpha.h: Ditto.
11 * config/1750a/1750a.h: Ditto.
12 * config/clipper/clipper.h: Ditto.
13 * config/i386/i386.h: Ditto.
15 Tue Sep 8 22:56:12 1998 Jeffrey A Law (law@cygnus.com)
17 * configure.in (m68k-next-nextstep3*): Use collect2.
18 Similarly for x86 NeXT configurations.
21 Tue Sep 8 01:38:57 1998 Nathan Sidwell <nathan@acm.org>
23 * configure.in: Don't assume srcdir is .../gcc
26 Sat Sep 5 16:34:34 EDT 1998 John Wehle (john@feith.com)
28 * global.c: Update comments.
29 (global_alloc): Assign allocation-numbers
30 even for registers allocated by local_alloc in case
31 they are later spilled and retry_global_alloc is called.
32 (mark_reg_store, mark_reg_clobber,
33 mark_reg_conflicts, mark_reg_death): Always record a
34 conflict with a pseudo register even if it has been
35 assigned to a hard register.
36 (dump_conflicts): Don't list pseudo registers already assigned to
37 a hard register as needing to be allocated, but do list their
39 * local-alloc.c: Update comment.
41 Mon Sep 7 23:38:01 1998 Jeffrey A Law (law@cygnus.com)
43 * configure.in: Check for bogus GCC_EXEC_PREFIX and LIBRARY_PATH.
46 Mon Sep 7 22:41:46 1998 Michael Meissner <meissner@cygnus.com>
48 * rs6000.c (rs6000_override_options): Fix name for ec603e, to add
50 * t-ppccomm (MULTILIB_MATCHES_FLOAT): Add support for -mcpu=xxx
51 for all targets that set -msoft-float.
53 Mon Sep 7 23:30:07 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
55 * toplev.c (print_switch_values): Make static to match prototype.
57 Mon Sep 7 19:13:59 1998 Jeffrey A Law (law@cygnus.com)
59 * configure.in: If we are unable to find the "gnatbind" program,
60 then do not configure the ada subdir.
63 Sun Sep 6 14:03:58 PDT 1998 Jeff Law (law@cygnus.com)
65 * version.c: Bump for snapshot.
67 Sun Sep 6 13:28:07 PDT 1998 Jeff Law (law@cygnus.com)
69 * version.c: Bump for snapshot.
71 Sun Sep 6 08:54:14 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
73 * Makefile.in (toplev.o): Depend on $(EXPR_H).
74 (insn-extract.o, insn-attrtab.o): Depend on toplev.h.
76 * gansidecl.h: Define ATTRIBUTE_NORETURN.
78 * genattrtab.c: Have insn-attrtab.c include toplev.h.
80 * genextract.c: Have insn-extract.c include toplev.h.
82 * rtl.h: Don't prototype `fatal_insn_not_found' and `fatal_insn'.
84 * toplev.c: Include expr.h.
85 (really_sorry, fancy_abort): Remove prototypes.
86 (set_target_switch): Add argument in prototype.
87 (vfatal): Mark prototype with ATTRIBUTE_NORETURN.
88 (v_really_sorry): Likewise.
89 (print_version, print_single_switch, print_switch_values): Make
90 static and add prototype arguments.
91 (decl_printable_name): Add prototype arguments.
92 (lang_expand_expr_t): New typedef.
93 (lang_expand_expr): Declare as a lang_expand_expr_t.
94 (incomplete_decl_finalize_hook): Add prototype argument.
95 (decl_name): Mark variable `verbosity' with ATTRIBUTE_UNUSED.
96 (botch): Likewise for variable `s'.
97 (rest_of_type_compilation): Mark variables `type' and `toplev'
98 with ATTRIBUTE_UNUSED if none of DBX_DEBUGGING_INFO,
99 XCOFF_DEBUGGING_INFO or SDB_DEBUGGING_INFO are defined.
100 (display_help): Make variable `i' an `unsigned long'.
101 (main): Remove unused parameter `envp'.
102 Cast assignment to `lang_expand_expr' to a `lang_expand_expr_t'.
103 Cast -1 when comparing it with a `size_t'.
105 * toplev.h (fatal, fatal_io_error, pfatal_with_name): Mark
106 prototype with ATTRIBUTE_NORETURN.
107 (fatal_insn_not_found, fatal_insn, really_sorry,
108 push_float_handler, pop_float_handler): Add prototypes.
109 (fancy_abort): Mark prototype with ATTRIBUTE_NORETURN.
110 (do_abort, botch): Add prototypes.
112 Sat Sep 6 12:05:18 1998 John Carr <jfc@mit.edu>
114 * final.c (final): If a label is reached only from a single jump,
115 call NOTICE_UPDATE_CC on the jump and its predecessor before
116 emitting the insn after the label.
118 * i386.h: Add AMD K6 support.
119 Change TARGET_* macros to use table lookup.
120 (INITIALIZE_TRAMPOLINE): Improve trampoline code.
121 (ADJUST_COST): Change definition to call function in i386.c.
122 (ISSUE_RATE): Define as 2 for anything newer than an 80486.
123 * i386.c: Add AMD K6 support.
124 Add constants for feature tests used by TARGET_* macros.
125 (split_di): If before reload, call gen_lowpart and gen_highpart.
126 (x86_adjust_cost): New function.
127 (put_jump_code): New function.
128 (print_operand): New codes 'D' and 'd'.
129 * i386.md: New insn types. New insn attribute "memory".
130 Redefine scheduling parameters to use new types and add AMD K6
131 support. Explicitly set type of most insns.
132 (move insns): K6 prefers movl $0,reg to xorl reg,reg. Pentium
133 Pro and K6 prefer movl $1,reg to incl reg.
134 (adddi3, subdi3): Set cc_status.
135 (DImode shift patterns): Change label counters from HOST_WIDE_INT
136 to int; x86 can't have more than 2^31 DImode shifts per file.
137 (setcc): Combine all setcc patterns. Allow writing memory.
138 Combine all jump patterns using match_operator.
139 (*bzero): Name pattern. Emit mutliple stos instructions when that
140 is faster than rep stos.
141 (xordi3, anddi3, iordi3): Simplify DImode logical patterns and
144 Sun Sep 6 11:17:20 1998 Dave Love <d.love@dl.ac.uk>
146 * config/m68k/x-next (BOOT_LDFLAGS): Define suitably for f771
149 Sat Sep 5 22:05:25 1998 Richard Henderson <rth@cygnus.com>
151 * alpha.c (alpha_ra_ever_killed): Inspect the topmost sequence,
152 not whatever we're generating now.
154 * alpha.c (set_frame_related_p, FRP): New.
155 (alpha_expand_prologue): Mark frame related insns.
156 (alpha_expand_epilogue): Likewise, but with a null FRP.
157 * alpha.h (INCOMING_RETURN_ADDR_RTX): New.
158 * alpha.md (exception_receiver): New.
159 * alpha/crtbegin.asm (.eh_frame): New beginning.
160 (__do_frame_setup, __do_frame_takedown): New.
161 * alpha/crtend.asm (.eh_frame): New ending.
162 * alpha/elf.h (DWARF2_DEBUGGING_INFO): Define.
163 (ASM_SPEC): Don't emit both dwarf2 and mdebug.
164 (ASM_FILE_START): Don't emit .file for dwarf2.
166 * rtl.h (enum reg_note): Add REG_FRAME_RELATED_EXPR.
167 * rtl.c (reg_note_name): Likewise.
168 * rtl.texi (REG_NOTES): Likewise.
169 * dwarf2out.c (dwarf2out_frame_debug): Use it. Recognize a store
172 Sat Sep 5 14:47:17 1998 Richard Henderson <rth@cygnus.com>
174 * i386.h (PREFERRED_RELOAD_CLASS): Standard fp constants load to TOS.
175 * i386.md (movsf, movdf, movxf): Validate memory address returned
176 from force_const_mem. Kill useless REG_EQUAL setting code.
178 Sat Sep 5 14:23:31 1998 Torbjorn Granlund <tege@matematik.su.se>
180 * m68k.md (zero_extendsidi2): Fix typo.
182 Sat Sep 5 13:40:24 1998 Krister Walfridsson <cato@df.lth.se>
184 * configure.in: Removed references to the removed file
185 * config/xm-netbsd.h. Use ${cpu_type}/xm-netbsd.h for
186 * arm*-*-netbsd* and ns32k-*-netbsd*.
187 * config/i386/xm-netbsd.h: Removed unnecessary file.
188 * config/m68k/xm-netbsd.h: Likewise.
189 * config/sparc/xm-netbsd.h: Likewise.
190 * config/mips/xm-netbsd.h: Likewise.
192 Sat Aug 29 13:32:58 1998 Mumit Khan <khan@xraylith.wisc.edu>
194 * i386/cygwin32.h (BIGGEST_ALIGNMENT): Define.
195 (PCC_BITFIELD_TYPE_MATTERS): Define to be 0.
197 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't check for
198 for exact section attributions.
200 * i386/mingw32.h (CPP_PREDEFINES): Add __MSVCRT__ for msvc
202 * i386/crtdll.h (CPP_PREDEFINES): Define.
204 Sat Sep 5 03:23:05 1998 Jeffrey A Law (law@cygnus.com)
206 * m68k.md (5200 movqi): Do not allow byte sized memory references
208 * m68k.c (output_move_qimode): Do not use byte sized operations on
211 * Makefile.in (pexecute.o): Use pexecute.c from libiberty. Provide
212 explicit rules for building. Similarly for alloca, vfprintf,
213 choose-temp and mkstemp, getopt, getopt1, and obstack.
214 (INCLUDES): Add $(srcdir)/../include.
215 * pexecute.c, alloca.c, vfprintf.c, choose-temp.c, mkstemp.c: Delete.
216 * getopt.h, getopt.c getopt1.c, obstack.c, obstack.h: Likewise.
218 Fri Sep 4 11:57:50 1998 Tom Tromey <tromey@cygnus.com>
220 * gcc.c (do_spec_1): [case 'o'] Account for
221 lang_specific_extra_outfiles.
222 (main): Correctly clear all slots in outfiles for
223 lang_specific_extra_outfiles. Set input_file_number before
224 calling lang_specific_pre_link.
226 Fri Sep 4 10:37:07 1998 Jim Wilson <wilson@cygnus.com>
228 * loop.c (load_mems): Fix JUMP_LABEL field after for_each_rtx call.
230 Fri Sep 4 02:01:05 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
232 * config/sparc/sparc.c (output_double_int): In all V9 symbolic
234 (sparc_output_deferred_case_vectors): If no work to do, return.
235 Fix thinko in Sept 1 change.
237 1998-09-03 SL Baur <steve@altair.xemacs.org>
239 * Makefile.in: add semicolon in BISON definition for portability.
241 Thu Sep 3 13:34:41 1998 Toon Moene <toon@moene.indiv.nluug.nl>
243 * config/nextstep.c (handle_pragma): Correct name of third
246 Tue Sep 1 11:30:33 1998 Nick Clifton <nickc@cygnus.com>
248 * config/m32r/m32r.md: Change (reg:CC 17) to (reg:SI 17).
249 * config/m32r/m32r.h: Make register 17 be fixed.
250 * config/m32r/m32r.c: Use SImode for cc operations.
252 Thu Sep 3 18:17:34 1998 Benjamin Kosnik <bkoz@cygnus.com>
254 * invoke.texi (Warning Options): Add -Wnon-template-friend
257 Thu Sep 3 18:16:16 1998 Michael Meissner <meissner@cygnus.com>
259 * rs6000.c (rs6000_override_options): Add -mcpu={401,e603e}.
261 Thu Sep 3 18:05:16 1998 David Edelsohn <edelsohn@mhpcc.edu>
263 * rs6000.md (movsf): Disable explicit secondary-reload-like
264 functionality if TARGET_POWERPC64.
265 (movdf): Remove TARGET_POWERPC64 explicit secondary-reload-like
269 Thu Sep 3 11:41:40 1998 Robert Lipe <robertl@dgii.com>
271 * fixinc.sco: Borrow code to wrap 'bool' typedefs from tinfo.h
272 and term.h from fixinc.wrap.
274 Thu Sep 3 09:47:31 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
276 * aclocal.m4 (GCC_HEADER_STRING): New macro to detect if it is
277 safe to include both string.h and strings.h together.
278 (GCC_NEED_DECLARATION): Test STRING_WITH_STRINGS when deciding
279 which headers to search for function declarations. Continue to
280 prefer string.h over strings.h when both are not acceptable.
282 * acconfig.h (STRING_WITH_STRINGS): Add stub.
284 * configure.in: Call GCC_HEADER_STRING.
286 * system.h: Test STRING_WITH_STRINGS when deciding which headers
287 to include. Continue to prefer string.h over strings.h when both
290 Wed Sep 2 23:56:29 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
292 * config/sparc/sparc.c (output_double_int): If V9 and MEDLOW, do
293 not assume top 32-bits of symbolic addresses are zero if
296 Thu Sep 3 00:23:21 1998 Richard Henderson <rth@cygnus.com>
298 * ginclude/va-alpha.h: Protect entire second portion of the
299 file against double inclusion.
301 Thu Sep 3 00:37:55 1998 Ovidiu Predescu <ovidiu@aracnet.com>
303 Added support for the Boehm's garbage collector.
304 * configure.in: Handle --enable-objc-gc.
305 * configure: Rebuilt.
306 * Makefile.in (CHECK_TARGETS): Add check-objc.
307 (check-objc): New rule.
308 * objc/Make-lang.in: Build a different Objective-C library that
309 runs with the Boehm's collector.
310 * objc/encoding.c (objc_round_acc_size_for_types): New function.
311 * objc/encoding.c: Correctly compute the size of compound types in
312 the presence of bitfields. Skip the variable name of the type if
313 any. Added support for long long.
314 * objc/encoding.h (_C_GCINVISIBLE): New specifier.
315 (_F_GCINVISIBLE): New mask.
316 * objc/gc.c: New file. Compute the type memory mask associated with
317 a class based on the runtime information.
318 * objc/misc.c: Added the hooks that use the Boehm's collector
319 allocation functions.
320 * objc/objc-act.c (build_class_template): Generate a new class
321 member (gc_object_type) to hold the class' type memory mask.
322 (build_shared_structure_initializer): Initialize the new member to
324 (encode_complete_bitfield): New function. Generate the new
326 (encode_field_decl): Generate the new encoding only for the GNU
328 * objc/objc-api.h (_C_LNG_LNG, _C_ULNG_LNG): New specifiers for the
330 (class_get_gc_object_type): New function to mark a pointer instance
331 variable as a weak pointer.
332 * objc/objc-features.texi: New file.
333 * objc/objc.h (gc_object_type): New class member.
334 * objc/objects.c (class_create_instance): Create a typed memory
335 object when compiled with Boehm's collector support.
336 * objc/sendmsg.c (__objc_init_install_dtable): Call
337 __objc_send_initialize instead of setting the initialize flag.
338 (__objc_send_initialize): Call __objc_generate_gc_type_description
339 to generate the class type memory mask. Rewrite the code that
340 sends the +initialize so that it is called only once (bug report
341 and fix from Ronald Pijnacker <Ronald.Pijnacker@best.ms.philips.com>).
342 * testsuite/objc: New testsuite for Objective-C type encoding.
343 * testsuite/lib/objc-torture.exp: New file.
344 * testsuite/lib/objc.exp: New file.
346 Wed Sep 2 14:47:36 1998 Jim Wilson <wilson@cygnus.com>
348 * jump.c (jump_optimize): In if/then/else transformations, add
349 another call to modified_between_p for the jump insn.
351 Wed Sep 2 14:16:49 1998 Jeffrey A Law (law@cygnus.com)
353 * fix-header.c (symlink): Treat like readlink.
355 Wed Sep 2 19:30:06 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
357 * dwarfout.c (fundamental_type_code): Encode 32 bit floats/doubles
360 Wed Sep 2 10:06:07 1998 Nick Clifton <nickc@cygnus.com>
362 * config/nextstep.h: Update HANDLE_PRAGMA macro.
363 * config/h8300/h8300.h: Update HANDLE_PRAGMA macro.
364 * config/i960/i960.h: Update HANDLE_PRAGMA macro.
366 * config/nextstep.c (handle_pragma): Take three arguments, as per
367 the new HANDLE_PRAGMA macro specification.
368 * config/h8300/h8300.c (handle_pragma): Take three arguments, as
369 per the new HANDLE_PRAGMA macro specification.
370 * config/i960/i960.c (process_pragma): Take three arguments, as
371 per the new HANDLE_PRAGMA macro specification.
373 Wed Sep 2 09:25:29 1998 Nick Clifton <nickc@cygnus.com>
375 * c-lex.c (check_newline): Call HANDLE_PRAGMA before
376 HANDLE_SYSV_PRAGMA if both are defined. Generate warning messages
377 if unknown pragmas are encountered.
378 (handle_sysv_pragma): Interpret return code from
379 handle_pragma_token (). Return success/failure indication rather
380 than next unprocessed character.
381 (pragma_getc): New function: retrieves characters from the
382 input stream. Defined when HANDLE_PRAGMA is enabled.
383 (pragma_ungetc): New function: replaces characters back into the
384 input stream. Defined when HANDLE_PRAGMA is enabled.
386 * c-pragma.c (handle_pragma_token): Return success/failure status
389 * c-pragma.h: Change prototype of handle_pragma_token().
391 * varasm.c: (handle_pragma_weak): Only create this function if
392 HANDLE_PRAGMA_WEAK is defined.
394 * c-common,c (decl_attributes): If defined call the expression
395 contained within the INSERT_ATTRIBUTES macro before adding
396 attributes to a decl.
398 * tm.texi (HANDLE_PRAGMA): Document the new verion of
399 HANDLE_PRAGMA, which takes three arguments.
400 (INSERT_ATTRIBUTES): Document this new macro.
402 * LANGUAGES: Document the new version of HANDLE_PRAGMA and the
403 new INSERT_ATTRIBUTES macro.
405 Wed Sep 2 02:03:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
407 * config/sparc/sparc.md (movdf): Only generate special RTL for
409 (move_label_di): Remove
410 (movdi_pic_label_ref, movdi_high_pic_label_ref,
411 movdi_lo_sum_pic_label_ref): New patterns for 64-bit label
413 * config/sparc/sparc.h (ASM_OUTPUT_ADDR_VEC_ELT,
414 ASM_OUTPUT_ADDR_DIFF_ELT): Don't do anything special for MEDLOW,
415 output an .xword for all 64-bit cases.
417 Tue Sep 1 15:55:17 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
419 * config/sparc/sparc.c (finalize_pic): Don't output arbitrary
420 alignment, use FUNCTION_BOUNDARY instead.
421 (sparc_output_deferred_case_vectors): Likewise.
423 Mon Aug 31 17:25:41 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
425 * config/sparc/sparc.md (movsf_const_intreg): Kill warning.
426 (movtf_insn_sp64, movtf_no_e_insn_sp64): Reorder alternatives.
428 Mon Aug 31 13:57:55 1998 Richard Henderson <rth@cygnus.com>
430 * alpha/va_list.h: New file.
431 * alpha/x-alpha (EXTRA_HEADERS): New. Add va_list.h.
433 Mon Aug 31 14:55:02 1998 Jeffrey A Law (law@cygnus.com)
435 * NEWS: Add SCO Openserver and Unixware 7 notes.
439 Mon Aug 31 15:42:18 1998 Dave Brolley <brolley@cygnus.com>
441 * varasm.c (compare_constant_1): Handle RANGE_EXPR.
442 (record_constant_1): Handle RANGE_EXPR.
444 Mon Aug 31 10:54:03 1998 Richard Henderson <rth@cygnus.com>
446 * print-rtl.c (print_rtx): NOTE_INSN_LIVE has an rtx not a bitmap.
447 * haifa-sched.c (sched_analyze): Handle NOTE_INSN_RANGE_START
448 and NOTE_INSN_RANGE_END specially.
449 (reemit_notes): Likewise.
451 Mon Aug 31 10:18:52 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
453 * sparc.c (TMASK, UMASK): Use `(unsigned)1' not `1U'.
454 (ultrasparc_sched_init): Remove unneeded &.
456 Mon Aug 31 10:47:16 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
458 * config/m68k/m68k.h (TARGET_SWITCHES): Don't remove MASK_68040
459 for m68020-60, to prevent the use of fintrz.
461 Sun Aug 30 22:17:20 1998 Mark Mitchell <mark@markmitchell.com>
463 * configure.in: If the native compiler is GCC use $(WARN_CFLAGS)
465 * Makefile.in: Likewise.
466 * configure: Regenerated.
468 Sun Aug 30 22:15:41 1998 H.J. Lu (hjl@gnu.org)
470 * configure.in (gxx_include_dir): Changed to
471 '${prefix}/include/g++'-${libstdcxx_interface}.
472 * configure: Rebuilt.
474 Sun Aug 30 20:19:43 1998 Hans-Peter Nilsson <hp@axis.se>
476 * expr.c (expand_expr): Change ">" to ">=" making MOVE_RATIO use
478 * tm.texi (Costs): Say MOVE_RATIO is number of mem-mem move
479 *sequences* *below* which scalar moves will be used.
481 Sun Aug 30 17:18:43 1998 Jeffrey A Law (law@cygnus.com)
483 * collect2.c (mktemp): Delete unused declaration.
485 * config/xm-netbsd.h: Remove unnecessary file.
486 * config/*/xm-netbsd.h: Do not include the generic xm-netbsd.h
487 file anymore, it is not needed.
489 Sun Aug 30 16:05:45 1998 Mark Mitchell <mark@markmitchell.com>
491 * convert.c (convert_to_integer): Issue an error on conversions to
494 Sun Aug 30 16:47:20 1998 Martin von Lvwis <loewis@informatik.hu-berlin.de>
496 * Makefile.in: Add lang_tree_files and gencheck.h.
497 * configure.in: Generate them.
498 * gencheck.c: Include gencheck.h.
500 Sat Aug 29 21:38:24 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
502 * config/sparc/sparc.md (pic_lo_sum_di, pic_sethi_di): Rename to
503 movdi_lo_sum_pic and movdi_high_pic and make visible.
504 * config/sparc/sparc.c (legitimize_pic_address): For -fPIC,
505 emit these when Pmode is not SImode.
506 * config/sparc/linux64.h (SPARC_DEFAULT_CMODEL): Make CM_MEDLOW.
508 Sat Aug 29 14:59:32 1998 Mumit Khan <khan@xraylith.wisc.edu>
510 * i386/cygwin32.h (ASM_OUTPUT_SECTION_NAME): Don't emit
511 .linkonce directive after the first time.
513 Sat Aug 29 12:39:56 1998 Jeffrey A Law (law@cygnus.com)
515 * m68k.md (beq0_di): Generate correct (and more efficient) code when
516 the clobbered operand overlaps with an input.
517 (bne0_di): Similarly.
519 * Makefile.in (INSTALL): Remove "--no-header" argument.
521 * NEWS: Various updates.
523 Fri Aug 28 19:00:44 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
525 * config/sparc/sparc.c (arith_operand, const64_operand,
526 const64_high_operand, arith_double_4096_operand): Mark mode as
528 (create_simple_focus_bits): Remove unused arg highest_bit_set, all
530 (sparc_emit_set_const64): Remove unused variable i.
531 (sparc_splitdi_legitimate): Likewise for addr_part.
532 (ultra_code_from_mask): Likewise for mask.
533 (ultra_cmove_results_ready_p): Fixup entry modulo calc. and
534 reverse return values so it matches usage and comments.
535 (ultra_flush_pipeline): Likewise.
536 (ultra_fpmode_conflict_exists): Likewise, remove unused variable
537 this_type, and allow loads and stores of differing FP modes as
538 they do not create a conflict.
539 (ultra_find_type): Initialize fpmode to SFmode, fix
540 parenthesization thinkos in large conditional.
541 (ultrasparc_sched_init): Mark dump and sched_verbose as unused.
542 Init free_slot_mask after ultra_cur_hist is reset, not before.
543 (ultrasparc_rescan_pipeline_state): Remove unused variable ucode.
544 (ultrasparc_sched_reorder): Don't bzero current pipeline state,
545 use ultra_flush_pipeline instead, then re-init group pointer.
546 Fix statement with no effect. If no progress made in, and no
547 instructions scheduled at all, advance to new pipeline cycle else
548 we get into an endless loop.
549 (ultrasparc_adjust_cost): Remove previous arg.
550 * config/sparc/sparc.h (ADJUST_COST): Update to reflect that.
552 Fri Aug 28 13:52:35 1998 Jim Wilson <wilson@cygnus.com>
554 * sparc.md (DImode, DFmode, TFmode splits): Delete self_reference
555 code. Use reg_overlap_mentioned_p to detect when source and
557 (negtf2_notv9+1): Use DFmode instead of SFmode in last two operands.
559 1998-08-28 Brendan Kehoe <brendan@cygnus.com>
561 * loop.c (check_dbra_loop): Pass COMPARISON_VALUE, not
562 COMPARISON_VAL, into invariant_p.
564 Fri Aug 28 15:13:25 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
566 * regmove.c (regclass_compatible_p): New function.
567 (regmove_optimize): Use it.
569 Use NREGS parameter insted of calling max_reg_num.
571 (fixup_match_1): Don't use code = MINUS when later tieing with
572 a hard register is likely.
574 Fri Aug 28 14:54:07 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
576 * loop.c (check_dbra_loop): Fix calculation of FINAL_VALUE when
577 COMPARISON_VAL was normalized.
579 Thu Aug 27 20:10:46 1998 Jeffrey A Law (law@cygnus.com)
581 * loop.c (check_dbra_loop): The loop ending comparison value
582 must be an invariant or we can not reverse the loop.
584 * loop.c (scan_loop): Count down from max_reg_num - 1 to
585 FIRST_PSEUDO_REGISTER to avoid calling max_reg_num each iteration
587 (load_mems_and_recount_loop_regs_set): Likewise.
589 * i386.c (print_operand): Remove obsolete 'c' docs.
591 Wed Aug 26 17:13:37 1998 Tom Tromey <tromey@cygnus.com>
593 * gthr.h: Document __GTHREAD_MUTEX_INIT_FUNCTION.
594 * frame.c (init_object_mutex): New function.
595 (init_object_mutex_once): Likewise.
597 (__register_frame_info): Likewise.
598 (__register_frame_info_table): Likewise.
599 (__deregister_frame_info): Likewise.
601 Thu Aug 27 15:14:18 1998 Jeffrey A Law (law@cygnus.com)
603 * haifa-sched.c (sched_analyze_insn): Fix thinko in last change.
605 Thu Aug 27 16:34:51 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
607 * loop.c (check_dbra_loop): Enable code for reversal
608 of some loops without a known constant loop end.
610 Wed Aug 26 18:38:15 1998 Richard Henderson <rth@cygnus.com>
612 * haifa-sched.c (last_clock_var): New.
613 (schedule_block): Initialize it.
614 (schedule_insn): Use it to fill insn modes with issue information.
616 * alpha.c (alpha_handle_trap_shadows): Remove do-nothing exit.
617 Tag trapb and next insn with TImode.
618 (alphaev5_insn_pipe, alphaev5_next_group, alphaev5_align_insns): New.
619 (alpha_reorg): Add conditional for alpha_handle_trap_shadows.
620 Invoke alphaev5_align_insns as appropriate.
621 * alpha.h (LABEL_ALIGN_AFTER_BARRIER): Was ALIGN_LABEL_AFTER_BARRIER.
622 (MD_SCHED_VARIABLE_ISSUE): New.
623 * alpha.md (attr type): Add multi.
624 (define_asm_attributes): New.
625 (prologue_stack_probe_loop, builtin_setjmp_receiver): Set type multi.
626 (arg_home): Likewise.
627 (fnop, unop, realign): New.
629 Wed Aug 26 15:55:41 1998 Jim Wilson <wilson@cygnus.com>
631 * iris5.h (PREFERRED_DEBUGGING_TYPE): Undef.
632 * iris5gas.h (PREFERRED_DEBUGGING_TYPE): Define.
634 * configure.in (powerpc-ibm-aix4.[12]*): Change from 4.[12].*.
635 (rs6000-ibm-aix4.[12]*): Likewise.
636 * configure: Regnerate.
638 Wed Aug 26 09:30:59 1998 Nick Clifton <nickc@cygnus.com>
640 * config/arm/thumb.c (thumb_exit): Do not move a4 into lr if it
641 already contains the return address.
643 Wed Aug 26 12:57:09 1998 Jeffrey A Law (law@cygnus.com)
645 * calls.c (expand_call): Use bitfield instructions to extract/deposit
646 word sized hunks when loading unaligned args into registers.
648 * haifa-sched.c (sched_analyze_insn): Only create scheduling
649 barriers for LOOP, EH and SETJMP notes on the loop_notes list.
651 * mn10300.h (RTX_COSTS): Handle UDIV and UMOD too.
653 Wed Aug 26 16:35:37 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
655 * loop.c (check_dbra_loop): Add some code that would allow reversal
656 of some loops without a known constant loop end if it were enabled.
658 Wed Aug 26 11:08:44 1998 Gavin Romig-Koch <gavin@cygnus.com>
660 * mips.md (lshrsi3_internal2+2): Fix type-o.
662 Wed Aug 26 10:53:03 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * system.h: Include stdarg.h/varargs.h, make sure they are ordered
665 correctly with regards to stdio.h.
667 * calls.c: Remove stdarg.h/varargs.h.
670 * combine.c: Likewise.
671 * cpperror.c: Likewise.
672 * cpplib.c: Likewise.
673 * cpplib.h: Likewise.
674 * doprint.c: Likewise.
675 * emit-rtl.c: Likewise.
677 * fix-header.c: Likewise.
679 * genattr.c: Likewise.
680 * genattrtab.c: Likewise.
681 * gencodes.c: Likewise.
682 * genconfig.c: Likewise.
683 * genemit.c: Likewise.
684 * genextract.c: Likewise.
685 * genflags.c: Likewise.
686 * genopinit.c: Likewise.
687 * genoutput.c: Likewise.
688 * genpeep.c: Likewise.
689 * genrecog.c: Likewise.
690 * mips-tfile.c: Likewise.
691 * prefix.c: Likewise.
692 * protoize.c: Likewise.
693 * regmove.c: Likewise.
694 * toplev.c: Likewise.
697 Wed Aug 26 05:09:27 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
699 * config/sparc/sparc.c (sparc_override_options): If not
700 TARGET_FPU, turn off TARGET_VIS.
701 * config/sparc/sparc.h (TARGET_SWITCHES): Add no-vis.
702 (LEGITIMATE_CONSTANT_P): Allow SF/DF mode zero when TARGET_VIS.
703 * config/sparc/sparc.md (movsi_insn): Use fzeros not fzero.
704 (movdi_insn_sp64): Add VIS fzero alternative.
705 (clear_sf, clear_df): New VIS patterns.
706 (movsf, movdf expanders): Allow fp_zero_operand flat out when
708 (one_cmpldi2_sp64): Provide new fnot1 VIS alternative.
710 Tue Aug 25 10:57:41 1998 Mark Mitchell <mark@markmitchell.com>
712 * loop.c (n_times_set, n_times_used, may_not_optimize,
713 reg_single_usage): Convert to varrays. All uses changed.
714 (insert_loop_mem): Return a value.
715 (scan_loop): Tweak AVOID_CC_MODE_COPIES code.
716 (load_mems_and_recount_loop_regs_set): Likewise. Grow the arrays, if
719 Tue Aug 25 23:57:12 1998 Jeffrey A Law (law@cygnus.com)
722 * configure.in: Do not set thread_file to "irix" since no such
725 * sparc.md (float abs/neg splits): Check reload_completed before
726 calling alter_subreg.
728 Tue Aug 25 19:17:59 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
730 * config/sparc/sparc.c (sparc_absnegfloat_split_legitimate): New
732 * config/sparc/sparc.h: Declare it.
733 * config/sparc/sparc.md (float abs/neg splits): Use it.
734 (all other splits): Handle SUBREGs properly where necessary.
735 (unnamed (1<<x)-1 V8PLUS pattern): Disable for now.
737 Tue Aug 25 19:48:46 1998 Jeffrey A Law (law@cygnus.com)
739 * reorg.c (fill_simple_delay_slots): Do not abort if we encounter
740 an insn on the unfilled_slots_list that has no delay slots.
741 (fill_eager_delay_slots): Similarly.
743 Tue Aug 25 13:35:20 1998 Nick Clifton <nickc@cygnus.com>
745 * config/v850/v850.c (movsi_source_operand): Treat CONSTANT_P_RTX
746 as an ordinary operand.
748 Tue Aug 25 12:54:57 1998 Jason Merrill <jason@yorick.cygnus.com>
750 * tree.c (valid_machine_attribute): Don't apply attributes to both
753 Tue Aug 25 12:23:20 PDT 1998 Richard Henderson <rth@cygnus.com>
755 * reload.c (operands_match_p): Handle rtvecs.
757 * i386.c (legitimate_pic_address_disp_p): New.
758 (legitimate_address_p): Use it.
759 (legitimize_pic_address): Use unspecs to represent @GOT and @GOTOFF.
760 Handle constant pool symbols just like statics.
761 (emit_pic_move): Use Pmode not SImode for clarity.
762 (output_pic_addr_const) [SYMBOL_REF]: Remove @GOT and @GOTOFF hacks.
763 [UNSPEC]: New, handling what we killed above.
764 [PLUS]: Detect and abort on invalid symbol arithmetic.
765 * i386.h (CONSTANT_ADDRESS_P): Remove HIGH.
767 Tue Aug 25 12:02:23 1998 Mark Mitchell <mark@markmitchell.com>
769 * alias.c: Include output.h.
770 (DIFFERENT_ALIAS_SETS_P): Don't treat alias sets as
771 different if we're in a varargs function.
772 * Makefile.in (alias.o): Depend on output.h
774 Tue Aug 25 19:20:12 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
776 * sh.h (GIV_SORT_CRITERION): Delete.
778 Tue Aug 25 13:19:46 1998 Dave Brolley <brolley@cygnus.com>
780 * regclass.c (regclass): Use xmalloc/free instead of alloca.
781 * stupid.c (stupid_life_analysis): Ditto.
782 * reload1.c (reload): Ditto.
784 Tue Aug 25 05:48:18 1998 Jakub Jelinek <jj@sunsite.ms.mff.cuni.cz>
786 * config/sparc/sparc.c (arith_4096_operand, arith_add_operand,
787 arith_double_4096_operand, arith_double_add_operand): New
789 * config/sparc/sparc.h (PREDICATE_CODES): Add them, declare them.
790 * config/sparc/sparc.md (adddi3, addsi3, subdi3, subsi3): Use
791 them to transform add/sub 4096 into add/sub -4096.
793 Mon Aug 24 23:31:03 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
795 * loop.c (scan_loop): Allocate some slop to handle pseudos
796 generated by move_movables.
797 (load_mems_and_recount_loop_regs_set): Honor AVOID_CC_MODE_COPIES
800 Mon Aug 24 19:45:40 1998 Jim Wilson <wilson@cygnus.com>
802 * tree.def (DECL_RESULT): Correct documentation.
804 Tue Aug 25 01:15:27 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
806 * reload1.c (reload_reg_free_before_p): New argument EQUIV; Changed
807 all callers. Abort for RELOAD_FOR_INSN. RELOAD_FOR_OUTADDR_ADDR:
808 conflicts will all RELOAD_FOR_OUTPUT reloads.
810 * reload1.c (reload_cse_regs_1): When deleting a no-op move that
811 loads the function result, substitute with a USE.
813 Mon Aug 24 15:20:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
815 * rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Use TARGET_POWERPC64
816 when testing LEGITIMATE_INDEXED_ADDRESS_P DFmode and DImode.
817 (LEGITIMIZE_ADDRESS): Use TARGET_POWERPC64 for INDEXED fixup.
818 * rs6000.c (print_operand, case 'L'): Add UNITS_PER_WORD, not 4.
819 (print_operand, cases 'O' and 'T'): Fix typos in lossage strings.
820 * rs6000.md (fix_truncdfsi2_store): Remove %w from non-CONST_INT
822 (movdf_softfloat32, movdf_hardfloat64, movdf_softfloat64): Change
823 'o' to 'm' for GPR variant constraints.
825 Mon Aug 24 10:25:46 1998 Jeffrey A Law (law@cygnus.com)
827 * loop.c (scan_loop): Honor AVOID_CC_MODE_COPIES.
829 * h8300.h (STRIP_NAME_ENCODING): Fix typo.
831 * sparc.md (TFmode splits): Use reg_overlap_mentioned_p to detect
832 when the source and destination overlap.
834 * stmt.c (emit_case_nodes): Change rtx_function to rtx_fn to avoid
835 clash with global type.
837 Mon Aug 24 00:53:53 1998 Jason Merrill <jason@yorick.cygnus.com>
839 * fixinc.irix: Add curses.h handling from fixinc.wrap.
841 * c-common.c (combine_strings): Also set TREE_READONLY.
842 Change warn_write_strings to flag_const_strings.
843 * c-decl.c, c-tree.h: Likewise.
845 Sun Aug 23 18:39:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
847 * config/sparc/sparc.c (sparc_emit_set_const32): If outputting a
848 CONST_INT, not a symbolic reference, don't use a HIGH/LO_SUM
849 sequence, use SET/IOR instead so CSE can see it.
850 * config/sparc/sparc.md (movhi_const64_special,
851 movsi_const64_special): New patterns necessitated by that change.
852 (movhi_high): Remove.
853 (movhi_lo_sum): Change to match an IOR.
854 (movdf_insn_sp32): Test TARGET_V9 not TARGET_ARCH64.
855 (movdf_insn_v9only): New pattern for when V9 but not ARCH64.
856 (movdf_insn_sp64): Test both TARGET_V9 and TARGET_ARCH64.
857 (movdf splits): Allow when not V9 or when not ARCH64 and integer
858 registers are involved.
859 (snesi_zero_extend split): Remove reload_completed test.
860 (unnamed plus and minus zero_extend sidi splits): Add it.
862 Sun Aug 23 11:56:08 1998 Mark Mitchell <mark@markmitchell.com>
864 * extend.texi: Remove description of extension to explicit
865 instantiation that is now endorsed by standard C++.
867 Sun Aug 23 09:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
869 * config/arc/arc.c (arc_initialize_pic): Remove.
870 * config/arc/arc.h (INITIALIZE_PIC): Similarly, this routine does
871 nothing on any platform and is invoked by no-one, it does not even
872 appear in the documentation.
873 * config/sparc/sparc.h (INITIALIZE_PIC): Likewise.
874 * config/sparc/sparc.c (initialize_pic): Likewise.
875 (find_addr_reg): Remove this as well, no longer referenced after
878 Sun Aug 23 00:17:14 1998 Jeffrey A Law (law@cygnus.com)
880 * recog.c (validate_replace_rtx_group): New function.
881 * recog.h (validate_replace_rtx_group): Declare it.
882 * regmove.c (optimize_reg_copy_3): If any substitution fails, then undo
883 the entire group of substitutions.
885 Sat Aug 22 23:31:00 1998 Klaus-Georg Adams (Klaus-Georg.Adams@chemie.uni-karlsruhe.de)
887 * loop.c (load_mems): Fix initializers.
889 Fri Aug 21 23:07:46 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
891 * config/sparc/sparc.md (TFmode splits): Handle destination
892 registers being referenced in the address correctly.
894 * expmed.c (make_tree) [CONST_INT]: Sign extend even if
895 TREE_UNSIGNED, when bitsize of type's mode is larger than
896 HOST_BITS_PER_WIDE_INT.
898 Fri Aug 21 19:31:31 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
900 * tree.def (LABELED_BLOCK_EXPR, EXIT_BLOCK_EXPR): New tree nodes.
901 * tree.h (LABELED_BLOCK_LABEL, LABELED_BLOCK_BODY,
902 EXIT_BLOCK_LABELED_BLOCK, EXIT_BLOCK_RETURN, LOOP_EXPR_BODY): New
904 * expr.c (expand_expr): Handle LABELED_BLOCK_EXPR and
907 Thu Aug 20 19:43:44 1998 Jeffrey A Law (law@cygnus.com)
909 * h8300.c (h8300_encode_label): Use '&' for tiny data items.
910 * h8300.h (TINY_DATA_NAME_P): Likewise.
911 (STRIP_NAME_ENCODING): Handle '&'.
913 * mn10200.h (REG_OK_FOR_INDEX_P): Do not check the mode of the
914 register (it could be accessed via an outer SUBREG).
915 (REG_OK_FOR_BASE_P): Likewwise.
916 (GO_IF_LEGITIMATE_ADDRESS): Consistently use REGNO_OK_FOR_BASE_P.
918 * remove.c (optimize_reg_copy_3): Abort instead of silently generating
921 * jump.c (rtx_renumbered_equal_p): Do not consider PLUS commutative.
923 Thu Aug 20 17:35:20 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
925 * config/sparc/sparc.md (movtf_insn_sp32): All memory operands
926 must be offsettable so the splits can be made.
928 Thu Aug 20 13:56:53 1998 Michael Meissner <meissner@cygnus.com>
930 * config/i386/winnt.c: Include system.h, not stdio.h to get
931 sys/param.h pulled in before rtl.h in case the system defines MIN
934 Thu Aug 20 13:44:20 1998 David Edelsohn <edelsohn@mhpcc.edu>
936 * rs6000.md (movqi, movhi): Add CONSTANT_P_RTX.
938 Thu Aug 20 13:15:11 1998 Dave Brolley <brolley@cygnus.com>
940 * stor-layout.c (layout_type): Compute TYPE_SIZE_UNIT correctly for
942 * cpplib.c (cpp_define): Handle macros with parameters.
944 Wed Aug 19 21:33:19 1998 David Edelsohn <edelsohn@mhpcc.edu>
946 * rs6000.c (rs6000_output_load_toc_table): Use ld for 64-bit.
947 (output_toc): Use single TOC slot or llong minimal-toc for DFmode
948 and DImode 64-bit. Use llong for minimal-toc SFmode and
949 SYMBOL_REF / LABEL_REF 64-bit.
950 (output_function_profiler): Use llong for profiler label and ld to
951 load 64-bit label address.
953 Wed Aug 19 17:52:27 1998 Nick Clifton (nickc@cygnus.com)
955 * config/arm/thumb.md (extendqisi2_insn): Cope with REG +
958 Wed Aug 19 14:13:31 PDT 1998 Jeff Law (law@cygnus.com)
960 * version.c: Bump for snapshot.
962 Wed Aug 19 13:10:30 PDT 1998 Jeff Law (law@cygnus.com)
964 * version.c: Bump for snapshot.
966 Wed Aug 19 13:06:47 1998 Jason Merrill <jason@yorick.cygnus.com>
968 * collect2.c (extract_init_priority): Use atoi instead of strtoul.
970 Wed Aug 19 13:51:35 1998 Hans-Peter Nilsson <hp@axis.se>
972 * tm.texi (Misc): Fix typo "teh".
974 * tm.texi (PIC): Fix typo "PPIC".
976 * tm.texi (Caller Saves): Say that DEFAULT_CALLER_SAVES has no
977 effect when -O2 and higher.
978 * invoke.texi (Optimize Options): Likewise for -fcaller-saves.
980 1998-08-19 Michael Hayes <michaelh@ongaonga.chch.cri.nz>
982 * regclass.c: Changed register set documentation to be consistent
985 * final.c (final_start_function) Removed redundant test for
988 Wed Aug 19 13:28:41 1998 Mark Mitchell <mark@markmitchell.com>
990 * rtl.h (rtx_function): New type.
991 (for_each_rtx): New function.
992 * rtlanal.c (for_each_rtx): Define it.
994 * recog.c (change_t): New type.
995 (change_objects, change_old_codes, change_locs, change_olds):
997 (changes): New variable.
998 (validate_change): Dynamically allocate room for more changes, if
999 necessary. Uses changes array instead of change_objects, etc.
1000 (apply_change_group): Use changes array instead of
1001 change_objects, etc.
1003 * loop.c (loop_mem_info): New type.
1004 (loop_mems): New variable.
1005 (loop_mems_idx): Likewise.
1006 (looop_mems_allocated): Likewise.
1007 (scan_loop): Remove nregs parameter.
1008 (next_insn_in_loop): New function.
1009 (load_mems_and_recount_loop_regs_set): Likewise.
1010 (load_mems): Likewise.
1011 (insert_loop_mem): Likewise.
1012 (replace_loop_mem): Likewise.
1013 (replace_label): Likewise.
1014 (INSN_IN_RANGE_P): New macro.
1015 (loop_optimize): Don't pass max_reg_num() to scan_loop.
1016 (scan_loop): Remove nregs parameter, compute it after any new
1017 registers are created by load_mems. Use INSN_IN_RANGE_P and
1018 next_insn_in_loop rather than expanding them inline. Call
1019 load_mems to load memory into pseudos, if appropriate.
1020 (prescan_loop): Figure out whether or not there are jumps from the
1021 loop to targets other than the label immediately following the
1022 loop. Call insert_loop_mem to notice all the MEMs used in the
1023 loop, if it could be safe to pull MEMs into REGs for the duration
1025 (strength_reduce): Use next_insn_in_loop. Tweak comments.
1027 Wed Aug 19 08:29:44 1998 Richard Earnshaw (rearnsha@arm.com)
1029 * arm.c (arm_override_options): Remove lie about ignoring PIC flag.
1031 Wed Aug 19 07:08:15 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1033 * config/sparc/sparc.c (finalize_pic): Check for the correct
1034 nonlocal_goto_receiver UNSPEC number.
1035 * config/sparc/sparc.md (nonlocal_goto_receiver): Add comment
1036 making note of this dependency existing in sparc.c
1037 (negtf2_notv9 split): Give NEG SFmode.
1038 (negsf2): Fix insn output string.
1040 Tue Aug 18 12:40:27 1998 Richard Henderson <rth@cygnus.com>
1042 * c-common.c (decl_attributes): Issue an error if the argument
1043 to alias is not a string.
1045 Tue Aug 18 10:33:30 1998 Jeffrey A Law (law@cygnus.com)
1047 * haifa-sched.c (sched_analyze): Put all JUMP_INSNs on the last
1048 pending memory flush list.
1050 * combine.c (can_combine_p): Allow combining insns with REG_RETVAL
1052 (try_combine): Allow combining insns with REG_LIBCALL notes.
1054 * expr.c (emit_block_move): Do not call memcpy as a libcall
1055 instead build up a CALL_EXPR and call it like any other
1057 (clear_storage): Similarly for memset.
1059 * regmove.c (fixup_match_2): Do not call reg_overlap_mentioned_p
1062 * Makefile.in (cplus-dem.o): Provide explicit rules for building
1065 * regmove.c (optimize_reg_copy_1): Update REG_N_CALLS_CROSSED
1066 and REG_LIVE_LENGTH as successful substitutions are made.
1068 Tue Aug 18 07:15:27 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1070 * config/sparc/sparc.c (ultra_find_type): Add empty semicolon
1071 statement after end of loop label.
1073 Tue Aug 18 07:13:27 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1075 * config/sparc/sparc.c (ultra_types_avail): New variable.
1076 (ultra_build_types_avail): New function to record mask of insn
1077 types in ready list at this cycle.
1078 (ultrasparc_sched_reorder): Call it.
1079 (ultra_find_type): Use it to quicken the search. Also simplif
1080 dependency check, don't use rtx_equal_p because we know exactly
1081 what we are looking for.
1083 Tue Aug 18 03:20:53 1998 Richard Earnshaw (rearnsha@arm.com)
1085 * arm.h (SECONDARY_INPUT_RELOAD_CLASS): Return NO_REGS if compiling
1086 for architecture v4.
1088 Mon Aug 17 21:26:38 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1090 * config/sparc/sparc.md (sltu, sgeu): Don't FAIL, call
1092 (movsf_const_intreg, movsf_const_high, movsf_const_lo,
1093 movdf_const_intreg and helper splits): New patterns to move float
1094 constants into integer registers.
1095 (negtf2, negdf2, abstf2, absdf2): Rework using new patterns and
1098 Mon Aug 17 11:46:19 1998 Jeffrey A Law (law@cygnus.com)
1101 * tree.c (build_index_type): Copy TYPE_SIZE_UNIT from sizetype
1103 * c-decl.c (finish_enum): Copy TYPE_SIZ_UNIT from enumtype to tem.
1105 * rs6000.c (secondary_reload_class): For TARGET_ELF, indicate that
1106 a BASE_REGS register is needed as an intermediate when copying
1107 a symbolic value into any register class other than BASE_REGS.
1109 * expr.c (move_by_pieces): No longer static. Remove prototype.
1110 * rtl.h (move_by_pieces): Add extern prototype.
1111 * mips.c (expand_block_move): Handle aligned straight line copy by
1112 calling move_by_pieces.
1114 * expr.c (expand_expr): Allow assignments from TImode PARM_DECLs
1117 Mon Aug 17 10:28:52 1998 Mark Mitchell <mark@markmitchell.com>
1119 * stmt.c (expand_end_loop): Tidy. Allow unconditional
1120 jumps out of the loop to be treated as part of the exit test.
1122 Mon Aug 17 10:06:11 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1123 Jeff Law <law@cygnus.com>
1125 * Makefile.in (cplus-dep.o): Use cplus-dem.c from libiberty.
1126 * cplus-dem.c: Delete.
1128 * Makefile.in (fold-const.o): depend on $(RTL_H).
1130 * fold-const.c: Include rtl.h to get the prototype for
1131 `set_identifier_local_value'.
1133 * loop.c (express_from_1): Remove unused variable `tmp'.
1134 (combine_givs): cast the first argument of bzero to char *.
1136 * toplev.c (display_help): Remove unused variable `looking_for_start'.
1138 * c-decl.c (init_decl_processing): Remove unneeded &.
1140 * alpha.h (alpha_initialize_trampoline): Provide prototype.
1142 * except.c (set_exception_lang_code, set_exception_version_code):
1143 Change parameter from `short' to `int' to avoid using a gcc
1146 * except.h (set_exception_lang_code, set_exception_version_code):
1147 Likewise for prototypes.
1149 * flow.c (count_reg_references): Remove unused variables `regno'
1152 * gcse.c (hash_scan_insn): Declare parameter `in_libcall_block'.
1154 * prefix.c (translate_name): Cast the result of `alloca'.
1156 * varray.h (VARRAY_FREE): Reimplement as a `do-while(0)' statement.
1158 Mon Aug 17 09:23:42 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1160 * config/m68k/m68k.c: Include "system.h" instead of <stdio.h>.
1162 (valid_dbcc_comparison_p): Mark mode argument as unused.
1163 (symbolic_operand): Likewise.
1164 (legitimize_pic_address): Likewise.
1165 (const_uint32_operand): Likewise.
1166 (const_sint32_operand): Likewise.
1167 * sched.c [!INSN_SCHEDULING]: Define only dummy function
1168 schedule_insns and comment out rest of file.
1170 * m68k.c (output_move_simode_const): Use subl to move a zero into an
1172 (output_move_[hq]imode): Likewise.
1174 Mon Aug 17 09:15:47 1998 Jeffrey A Law (law@cygnus.com)
1176 * toplev.c (main): Enable -fstrict-aliasing for -O2 and above.
1177 * invoke.texi: Corresponding changes.
1179 Mon Aug 17 02:03:55 1998 Richard Henderson <rth@cygnus.com>
1181 * regclass.c (allocate_reg_info): Respect MIN when clearing data.
1183 Sun Aug 16 17:37:06 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1185 * config/sparc/sparc.c (ultra_code_from_mask,
1186 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
1187 ultra_find_type, ultra_schedule_insn, ultra_flush_pipeline,
1188 ultrasparc_sched_init, ultrasparc_variable_issue,
1189 ultra_rescan_pipeline_state, ultrasparc_sched_reorder): New
1190 functions to describe UltraSPARC pipeline exactly to Haifa.
1191 (ultrasparc_adjust_cost): Indicate IMUL type insns have zero cost,
1192 as there is nothing the scheduler can do about it. Indicate that
1193 REG_DEP_OUTPUT's collide. Fixup formatting.
1194 * config/sparc/sparc.h (RTX_COSTS): Fixup integer multiply and
1195 divide costs on Ultra for DImode.
1196 (MD_SCHED_INIT, MD_SCHED_REORDER, MD_SCHED_VARIABLE_ISSUE):
1198 * config/sparc/sparc.md (ieu_unnamed function unit): Rename to
1199 ieuN and add call_no_delay_slot to type list.
1200 (cti function unit): New unit for branches on UltraSPARC.
1201 (subx/addx insns): Set type to misc.
1202 (sidi zero/sign extension insns on arch64): Set type to shift.
1203 (sign_extendhidi2_insn): Set type to sload.
1205 Sun Aug 16 13:52:00 1998 David Edelsohn <edelsohn@mhpcc.edu>
1207 * rs6000.c (rs6000_stack_info): Use if == 0 for sizes.
1208 (output_epilog): Use if != 0 for offset.
1209 (rs6000_fatal_bad_address): Prepare for Intl.
1210 * rs6000.h (rs6000_fatal_bad_address): Declare.
1211 * rs6000.md (movsfcc, movdfcc): Use else if.
1212 (elf_high): Use {liu|lis}.
1213 (elf_low): Use {cal|la}. Remove %a template from old mnemonics.
1214 (movsi): Use rs6000_fatal_bad_address.
1216 Sun Aug 16 01:53:21 1998 Richard Henderson <rth@cygnus.com>
1218 * reload.c (find_equiv_reg): Reject equivalences separated
1219 by a volatile instruction.
1221 Sun Aug 16 00:21:44 1998 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1223 * rs6000/linux.h (CPP_OS_DEFAULT_SPEC): Define.
1225 Sat Aug 15 20:51:35 1998 Richard Henderson <rth@cygnus.com>
1227 * alpha.md (movsicc): Fix mode mismatch.
1229 Sat Aug 15 20:22:33 1998 H.J. Lu (hjl@gnu.org)
1231 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Handle aggregated
1233 * config/alpha/win-nt.h (ASM_OUTPUT_MI_THUNK): Likewise.
1235 Sat Aug 15 08:39:49 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1237 * config/sparc/sparc.md (movsi_lo_sum_pic_label_reg): Remove
1238 write-only modifier from operand 1 constraint.
1240 Sat Aug 15 06:28:19 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1242 * config/sparc/sparc.c (sparc_emit_set_const64_quick1): If
1243 emitting a XOR of -1 at the end, emit a NOT instead for combine's
1245 (sparc_emit_set_const64): Likewise, also when computing trailing
1246 bits do not negate low_bits and make fast_int an int.
1248 Fri Aug 14 21:07:03 1998 Jeffrey A Law (law@cygnus.com)
1250 * loop.c (add_label_notes): Do not ignore references to labels
1251 before dispatch tables. Mirrors Apr 8 change to mark_jump_label.
1252 * gcse.c (add_label_notes): Similarly.
1254 * pa.h (ASM_OUTPUT_MI_THUNK): Strip name encoding.
1256 * m68k.md (adddi_dilshr32): One of the operands must be a register.
1257 (adddi_dishl32): Similarly.
1259 Fri Aug 14 14:12:59 1998 Jason Merrill <jason@yorick.cygnus.com>
1261 * i386.h (MODES_TIEABLE_P): Reorganize to shut up warnings.
1262 * alias.c (memrefs_conflict_p): Add braces to shut up warnings.
1263 * cse.c (cse_basic_block): Add parens to shut up warnings.
1265 Fri Aug 14 12:58:21 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1267 * config/sparc/sparc.c (sparc_emit_set_const64_quick2,
1268 sparc_emit_set_const64_longway, const64_is_2insns,
1269 create_simple_focus_bits, sparc_emit_set_const64): Fix more bugs
1270 in 64-bit constant formation.
1271 * config/sparc/sparc.md (snesi_zero_extend split): Generate
1272 rtl for addx not subx.
1273 (define_insn movdi_const64_special): Make available even when
1274 HOST_BITS_PER_WIDE_INT is not 64.
1275 (movdi_lo_sum_sp64_cint, movdi_high_sp64_cint): Remove.
1276 (losum_di_medlow, sethm, setlo): Make op2 symbolic_operand.
1277 (cmp_siqi_trunc_set, cmp_diqi_trunc_set): Encapsulate both
1278 instances of operand 1 inside a QI subreg.
1279 (xordi3_sp64_dbl): Remove '%' constraint for op1.
1280 (one_cmpldi2_sp64): Fix output string.
1281 (one_cmplsi2_not_liveg0): Rewrite to remove unneeded extra
1283 (unnamed arch64 ashift DI): Truncate shift count if greater than
1286 Fri Aug 14 21:52:53 1998 J"orn Rennecke <amylaar@cygnus.co.uk>
1288 * expr.c (store_expr): Don't optimize away load-store pair
1289 when either source or destination have a side effect.
1291 Fri Aug 14 16:50:10 1998 John Carr <jfc@mit.edu>
1293 * genrecog.c (add_to_sequence): Fatal error if the modes of the
1294 operands of SET are incompatible.
1296 * alpha.md: Fix max and min patterns so modes of SET operands match.
1298 Fri Aug 14 12:22:55 1998 Ian Lance Taylor <ian@cygnus.com>
1300 * configure.in: Avoid [[ by using test and changequote.
1301 * configure: Rebuild.
1303 Fri Aug 14 01:22:31 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1305 * rtl.def (CONSTANT_P_RTX): Fix typo in string name.
1307 * config/sparc/sparc.md (seqdi_special_trunc, snedi_special_trunc,
1308 seqsi_special_extend, snesi_special_extend, snesi_zero_extend and
1309 split, snedi_zero_trunc and split, seqsi_zero_extend and split,
1310 seqdi_zero_trunc and split, pic_lo_sum_di, pic_sethi_di,
1311 movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc, addx_extend_sp32 and
1312 split, addx_extend_sp64, subx_extend_sp64, subx_extend and split):
1313 Fix mismatching modes in SET operands.
1314 (conditional move patterns): Fix formatting.
1315 (unnamed subx arch64 pattern): Remove duplicate insn.
1317 Fri Aug 14 00:34:34 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1319 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1320 Get it right when HOST_BITS_PER_WIDE_INT is not 64.
1321 (input_operand): Fixup test for what we accept for constant
1323 (sparc_emit_set_const32, sparc_emit_set_symbolic_const64): Give
1325 (safe_constDI): Remove.
1326 (sparc_emit_set_safe_HIGH64, gen_safe_SET64, gen_safe_OR64,
1327 gen_safe_XOR64): New functions.
1328 (sparc_emit_set_const64_quick1, sparc_emit_set_const64_quick2,
1329 sparc_emit_set_const64_longway, sparc_emit_set_const64): Use
1331 * config/sparc/sparc.md (define_insn xordi3_sp64_dbl): Only make
1332 available when HOST_BITS_PER_WIDE_INT is not 64.
1333 (define_insn movdi_sp64_dbl, movdi_const64_special): Likewise and
1334 move before movdi_insn_sp64 pattern.
1335 (define_insn movdi_lo_sum_sp64_dbl, movdi_high_sp64_dbl): Remove.
1336 (define_insn sethi_di_medlow, seth44, setm44, sethh): Use
1337 symbolic_operand as predicate for second operand.
1338 (DImode minus split on arch32, negsi2 expander, one_cmplsi2
1339 expander): Give set VOIDmode.
1341 Fri Aug 14 01:45:06 1998 Mumit Khan <khan@xraylith.wisc.edu>
1343 * i386/cygwin32 (DEFAULT_PCC_STRUCT_RETURN): Define.
1345 Fri Aug 14 01:40:21 1998 Geoffrey Keating <geoffk@ozemail.com.au>
1347 * rs6000/linux.h (LINK_SPEC): Pass -G args to the linker.
1349 Fri Aug 14 01:23:23 1998 Richard Earnshaw (rearnsha@arm.com)
1351 * arm/netbsd.h (TARGET_DEFAULT): Default includes software floating
1353 (CPP_FLOAT_DEFAULT_SPEC): Re-define accordingly.
1355 Fri Aug 14 01:19:08 1998 Robert Lipe <robertl@dgii.com>
1357 * install.texi: Various SCO OpenServer tweaks.
1359 Thu Aug 13 20:14:40 1998 Jim Wilson <wilson@cygnus.com>
1361 * reload1.c (eliminate_regs_in_insn): Handle another case when
1362 eliminating the frame pointer to the hard frame pointer. Add
1363 missing ep->to_rtx check to one existing case.
1365 * mips/mips.md (movhi_internal2+2): Fix typo mem:SI -> mem:HI.
1367 Thu Aug 13 17:08:11 1998 Jason Merrill <jason@yorick.cygnus.com>
1369 * tree.h: De-conditionalize init_priority code.
1371 * mips.h (NM_FLAGS): Change from -Bp to -Bn.
1372 * collect2.c (NM_FLAGS): Change from -p to -n.
1374 * configure.in: Turn on collect2 for mipstx39-elf.
1375 Handle use_collect2=no properly.
1377 * c-common.c: De-conditionalize init_priority code.
1378 * collect2.c (extract_init_priority, sort_ids): New fns.
1379 (main): Call sort_ids.
1380 Move sequence_number to file scope.
1382 * configure.in: Handle --enable-init-priority.
1383 * c-common.c (attrs): Add A_INIT_PRIORITY.
1384 (init_attributes, decl_attributes): Likewise.
1385 * tree.h (DEFAULT_INIT_PRIORITY, MAX_INIT_PRIORITY): New macros.
1386 * tree.c (get_file_function_name_long): Split out...
1387 (get_file_function_name): ...from here.
1389 Thu Aug 13 16:09:53 1998 Martin von Loewis <loewis@informatik.hu-berlin.de>
1391 * expr.c (safe_from_p): Change code to ERROR_MARK only when not
1394 Thu Aug 13 15:24:48 1998 Jason Merrill <jason@yorick.cygnus.com>
1396 * toplev.c (display_help): Add braces to shut up warnings.
1397 * tree.c (simple_cst_equal): Likewise.
1399 * fold-const.c (non_lvalue): Don't deal with null pointer
1401 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
1403 * c-typeck.c (initializer_constant_valid_p): Allow conversion of 0
1404 of any size to a pointer.
1406 Thu Aug 13 12:53:13 1998 Jim Wilson <wilson@cygnus.com>
1408 * i386/winnt.c (i386_pe_asm_file_end): Check TREE_SYMBOL_REFERENCED.
1410 Wed Aug 12 17:25:18 1998 Jeffrey A Law (law@cygnus.com)
1412 * mn10300.c (REG_SAVE_BYTES): Only reserve space for registers
1413 which will be saved.
1414 * mn10300.md (prologue insn): Only save registers which need saving.
1415 (epilogue insn): Similarly.
1417 * mn10300.c, mn10300.h, mn10300.md: Remove "global zero register"
1420 Wed Aug 12 12:39:16 1998 Gavin Romig-Koch <gavin@cygnus.com>
1422 * mips/mips.h (ENCODE_SECTION_INFO): Set SYMBOL_REF_FLAG for
1423 VAR_DECL's in gp addressable sections.
1425 Tue Aug 11 23:02:31 1998 John Carr <jfc@mit.edu>
1427 * sparc.c: Change return <exp> to <exp>; return; in functions
1429 * sparc.md: Add empty semicolon statement after final label in
1432 Tue Aug 11 22:42:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1434 * config/sparc/sparc.md (define_insn addx_extend): Rename to
1435 addx_extend_sp64, only allow when TARGET_ARCH64.
1436 (define_insn addx_extend_sp32 and split): Version that works when
1438 (define_insn subx_extend): Likewise.
1439 (define_split adddi3 and subdi3 with zero extension): Fixup and
1440 correct bugs when not TARGET_ARCH64.
1442 Tue Aug 11 16:04:34 1998 John Carr <jfc@mit.edu>
1444 * except.c (set_exception_lang_code, set_exception_version_code):
1445 Use prototype-style definition if __STDC__, to match declaration
1448 * genemit.c: Change FAIL and DONE macros not to use loops.
1450 Tue Aug 11 12:27:03 1998 Jim Wilson <wilson@cygnus.com>
1452 * dwarf2out.c (ASM_OUTPUT_DWARF_ADDR_CONST): Use
1453 ASM_OUTPUT_DWARF2_ADDR_CONST if defined.
1455 * mips/mips.md (reload_outsi): Use M16_REG_P when TARGET_MIPS16.
1457 Tue Aug 11 18:12:53 1998 Dave Love <d.love@dl.ac.uk>
1459 * README.g77: Update from Craig.
1461 Tue Aug 11 04:46:01 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1463 * config/sparc/sparc.c (sparc_emit_set_const32): INTVAL is of
1465 (safe_constDI sparc_emit_set_const64_quick1,
1466 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1467 analyze_64bit_constant, const64_is_2insns,
1468 create_simple_focus_bits): Fix some bugs when compiled on real
1470 (function_arg_record_value_3, function_arg_record_value_2,
1471 function_arg_record_value): Add fully prototyped forward decls.
1472 * config/sparc/sparc.md (define_insn cmpsi_insn_sp32): Rename back
1473 to cmpsi_insn and use on both 64 and 32 bit targets.
1474 (define_insn cmpsi_insn_sp64): Remove.
1475 (define_expand zero_extendsidi2): Allow for 32-bit target too.
1476 (define_insn zero_extendsidi2_insn): Rename to
1477 zero_extendsidi2_insn_sp64.
1478 (define_insn zero_extendsidi2_insn_sp32): New pattern and
1479 assosciated forced split for it.
1481 * config/sparc/sparc.c (const64_operand, const64_high_operand):
1483 * config/sparc/sparc.h: Declare them.
1484 (PREDICATE_CODES): Add them.
1485 * config/sparc/sparc.md (movdi_lo_sum_sp64_dbl,
1486 movdi_high_sp64_dbl, xordi3_sp64_dbl): Use them.
1488 Mon Aug 10 22:57:24 1998 John Carr <jfc@mit.edu>
1490 * config/sparc/sparc.md (define_insn jump): Output ba,pt not b,pt
1491 in v9 case as the latter makes the Solaris assembler crash.
1493 Mon Aug 10 22:39:09 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1495 * config/sparc/sparc.c (input_operand): Do not accept a LO_SUM MEM
1496 for TFmode when !v9. We require offsettable memory addresses.
1497 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Handle TFmode to
1498 DFmode register number conversions.
1499 * config/sparc/sparc.md (define_split DFmode moves): If register
1500 is a SUBREG do alter_subreg on it before using.
1501 (define_expand movtf): Fixup comment about alignment on v9.
1502 (define_split TFmode moves): Don't use gen_{high,low}part, create
1503 explicit SUBREGs instead.
1505 Mon Aug 10 19:02:55 1998 John Carr <jfc@mit.edu>
1507 * Makefile.in (mbchar.o): Depend on mbchar.c.
1509 Mon Aug 10 04:28:13 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1510 Richard Henderson <rth@cygnus.com>
1512 Rewrite Sparc backend for better code generation and
1513 improved sparc64 support.
1514 * config/sparc/sp64-elf.h: Set JUMP_TABLES_IN_TEXT_SECTION to
1516 * config/sparc/sysv4.h: Likewise.
1517 * config/sparc/sparc.c (v8plus_regcmp_p, sparc_operand,
1518 move_operand, v8plus_regcmp_op, emit_move_sequence,
1519 singlemove_string, doublemove_string, mem_aligned_8,
1520 output_move_double, output_move_quad, output_fp_move_double,
1521 move_quad_direction, output_fp_move_quad, output_scc_insn):
1523 (small_int_or_double): New predicate.
1524 (gen_compare_reg): Remove TARGET_V8PLUS cmpdi_v8plus emission.
1525 (legitimize_pic_address): Emit movsi_{high,lo_sum}_pic instead of
1526 old pic_{sethi,lo_sum}_si patterns.
1527 (mem_min_alignment): New generic function to replace
1528 mem_aligned_8, which uses REGNO_POINTER_ALIGN information when
1529 available and can test for arbitrary alignments. All callers
1531 (save_regs, restore_regs, build_big_number,
1532 output_function_prologue, output_cbranch, output_return,
1533 sparc_flat_save_restore, sparc_flat_output_function_prologue,
1534 sparc_flat_output_function_epilogue): Prettify
1536 (output_function_epilogue): Likewise and add code to output
1537 deferred case vectors.
1538 (output_v9branch): Likewise, add new arg INSN and use it to tack
1539 on branch prediction settings. All callers changed.
1540 (print_operand): Likewise and output %l44 for LO_SUMs when
1542 (sparc_splitdi_legitimate): New function to make sure DImode
1543 splits can be run properly when !arch64.
1544 (sparc_initialize_trampoline, sparc64_initialize_trampoline):
1545 Reformat example code in comments.
1546 (set_extends): Remove UNSPEC/v8plus_clear_high case.
1547 (sparc_addr_diff_list, sparc_addr_list): New statics to keep track
1548 of deferred case vectors we need to output.
1549 (sparc_defer_case_vector): Record a case vector.
1550 (sparc_output_addr_vec, sparc_output_addr_diff_vec,
1551 sparc_output_deferred_case_vectors): New functions to output them.
1552 (sparc_emit_set_const32): New function to form 32-bit constants in
1553 registers when that requires more than one instruction.
1554 (safe_constDI, sparc_emit_set_const64_quick1,
1555 sparc_emit_set_const64_quick2, sparc_emit_set_const64_longway,
1556 analyze_64bit_constant, const64_is_2insns,
1557 create_simple_focus_bits, sparc_emit_set_const64): New functions
1558 which do the same for 64-bit constants when arch64.
1559 (sparc_emit_set_symbolic_const64): New function to emit address
1560 loading for all code models on v9.
1561 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Do not make
1562 %g1 fixed when arch64, unfix %g0 when TARGET_LIVE_G0.
1563 (ALTER_HARD_SUBREG): Fix thinko, return REGNO + 1 not 1.
1564 (SECONDARY_INPUT_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS): Fix
1565 inaccuracies in comments, add symbolic and text_segment operands
1566 when TARGET_CM_MEDANY and TARGET_CM_EMBMEDANY respectively. Use
1567 GENERAL_REGS in these cases as a temp REG is needed to load these
1568 addresses into a register properly.
1569 (EXTRA_CONSTRAINT): Document more accurately, remove Q case as it
1571 (GO_IF_LEGITIMATE_ADDRESS): Allow TFmode for LO_SUM on v9 since fp
1572 quads are guarenteed to have 16-byte alignment.
1573 (LEGITIMIZE_ADDRESS): For SYMBOL_REF, CONST, and LABEL_REF use
1574 copy_to_suggested_reg instead of explicit LO_SUM and HIGH.
1575 (ASM_OUTPUT_ADDR_VEC, ASM_OUTPUT_ADDR_DIFF_VEC): New macros for
1576 deferred case vector implementation.
1577 (ASM_OUTPUT_ADDR_VEC_ELT): Use fputc to output newline.
1578 (ASM_OUTPUT_ADDR_DIFF_ELT): Parenthesize LABEL in macro calls.
1579 Generate "internal label - label" instead of "label - 1b".
1580 (PRINT_OPERAND_ADDRESS): For LO_SUM use %l44 on TARGET_CM_MEDMID.
1581 (PREDICATE_CODES): Remove sparc_operand, move_operand,
1582 v8plus_regcmp_op. Add small_int_or_double, input_operand, and
1584 (doublemove_string, output_block_move, output_fp_move_double,
1585 output_fp_move_quad, output_move_double, output_move_quad,
1586 output_scc_insn, singlemove_string, mem_aligned_8, move_operand,
1587 sparc_operand, v8plus_regcmp_op, v8plus_regcmp_p): Remove externs.
1588 (sparc_emit_set_const32, sparc_emit_set_const64,
1589 sparc_emit_set_symbolic_const64, input_operand, zero_operand,
1590 mem_min_alignment, small_int_or_double): Add externs.
1591 * config/sparc/sparc.md: Document the many uses of UNSPEC and
1592 UNSPEC_VOLATILE in this backend.
1593 (define_function_unit ieu): Rename to ieu_unnamed. Add move and
1594 unary to types which execute in it.
1595 (define_function_unit ieu_shift): Rename to ieu0.
1596 (define_function_unit ieu1): New, executes compare, call, and
1597 uncond_branch type insns.
1598 (define_function_units for type fdivs, fdivd, fsqrt): These
1599 execute in the fpu multiply unit not the adder on UltraSparc.
1600 (define_expand cmpdi): Disallow TARGET_V8PLUS.
1601 (define_insn cmpsi_insn): Rename to cmpsi_insn_sp32.
1602 (define_insn cmpsi_insn_sp64): New, same as sp32 variant except it
1603 allows the arith_double_operand predicate and rHI constraint when
1605 (define_insn cmpdi_sp64, cmpsf_fpe, cmpdf_fpe, cmptf_fpe,
1606 cmpsf_fp, cmpdf_fp, cmptf_fp, sltu_insn, neg_sltu_insn,
1607 neg_sltu_minux_x, neg_sltu_plus_x, sgeu_insn, neg_sgeu_insn,
1608 sltu_plus_x, sltu_plus_x, sltu_plus_x_plus_y, x_minus_sltu,
1609 sgeu_plus_x, x_minus_sgeu, movqi_cc_sp64, movhi_cc_sp64,
1610 movsi_cc_sp64, movdi_cc_sp64, movsf_cc_sp64, movdf_cc_sp64,
1611 movtf_cc_sp64, movqi_cc_reg_sp64, movhi_cc_reg_sp64,
1612 movsi_cc_reg_sp64, movdi_cc_reg_sp64, movsf_cc_reg_sp64,
1613 movdf_cc_reg_sp64, movtf_cc_reg_sp64, zero_extendhisi2_insn,
1614 cmp_siqi_trunc, cmp_siqi_trunc_set, sign_extendhisi2_insn,
1615 sign_extendqihi2_insn, sign_extendqisi2_insn,
1616 sign_extendqidi2_insn, sign_extendhidi2_insn,
1617 extendsfdf2, extendsftf2, extenddftf2, truncdfsf2, trunctfsf2,
1618 trunctfdf2, floatsisf2, floatsidf2, floatsitf2, floatdisf2,
1619 floatdidf2, floatditf2, fix_truncsfsi2, fix_truncdfsi2,
1620 fix_trunctfsi2, fix_truncsfdi2, fix_truncdfdi2, fix_trunctfdi2,
1621 adddi3_sp64, addsi3, cmp_ccx_plus, cmp_cc_plus_set, subdi_sp64,
1622 subsi3, cmp_minus_ccx, cmp_minus_ccx_set, mulsi3, muldi3,
1623 muldi3_v8plus, cmp_mul_set, mulsidi3, mulsidi3_v8plus,
1624 const_mulsidi3_v8plus, mulsidi3_sp32, const_mulsidi3,
1625 smulsi3_highpart_v8plus, unnamed subreg mult,
1626 const_smulsi3_highpart_v8plus, smulsi3_highpart_sp32,
1627 const_smulsi3_highpart, umulsidi3_v8plus, umulsidi3_sp32,
1628 const_umulsidi3, const_umulsidi3_v8plus, umulsi3_highpart_v8plus,
1629 const_umulsi3_highpart_v8plus, umulsi3_highpart_sp32,
1630 const_umulsi3_highpart, divsi3, divdi3, cmp_sdiv_cc_set, udivsi3,
1631 udivdi3, cmp_udiv_cc_set, smacsi, smacdi, umacdi, anddi3_sp64,
1632 andsi3, and_not_di_sp64, and_not_si, iordi3_sp64, iorsi3,
1633 or_not_di_sp64, or_not_si, xordi3_sp64, xorsi3, xor_not_di_sp64,
1634 xor_not_si, cmp_cc_arith_op, cmp_ccx_arith_op,
1635 cmp_cc_arith_op_set, cmp_ccx_arith_op_set, cmp_ccx_xor_not,
1636 cmp_cc_xor_not_set, cmp_ccx_xor_not_set, cmp_cc_arith_op_not,
1637 cmp_ccx_arith_op_not, cmp_cc_arith_op_not_set,
1638 cmp_ccx_arith_op_not_set, negdi2_sp64, cmp_cc_neg, cmp_ccx_neg,
1639 cmp_cc_set_neg, cmp_ccx_set_neg, one_cmpldi2_sp64, cmp_cc_not,
1640 cmp_ccx_not, cmp_cc_set_not, cmp_ccx_set_not, addtf3, adddf3,
1641 addsf3, subtf3, subdf3, subsf3, multf3, muldf3, mulsf3,
1642 muldf3_extend, multf3_extend, divtf3, divdf3, divsf3, negtf2,
1643 negdf2, negsf2, abstf2, absdf2, abssf2, sqrttf2, sqrtdf2, sqrtsf2,
1644 ashlsi3, ashldi3, unnamed DI ashift, cmp_cc_ashift_1,
1645 cmp_cc_set_ashift_1, ashrsi3, ashrdi3, unnamed DI ashiftrt,
1646 ashrdi3_v8plus, lshrsi3, lshrdi3, unnamed DI lshiftrt,
1647 lshrdi3_v8plus, tablejump_sp32, tablejump_sp64, call_address_sp32,
1648 call_symbolic_sp32, call_address_sp64, call_symbolic_sp64,
1649 call_address_struct_value_sp32, call_symbolic_struct_value_sp32,
1650 call_address_untyped_struct_value_sp32,
1651 call_symbolic_untyped_struct_value_sp32, call_value_address_sp32,
1652 call_value_symbolic_sp32, call_value_address_sp64,
1653 call_value_symbolic_sp64, branch_sp32, branch_sp64,
1654 flush_register_windows, goto_handler_and_restore,
1655 goto_handler_and_restore_v9, goto_handler_and_restore_v9_sp64,
1656 flush, all ldd/std peepholes, return_qi, return_hi, return_si,
1657 return_addsi, return_di, return_adddi, return_sf, all call+jump
1658 peepholes, trap, unnamed trap insns): Prettify output strings.
1659 (define_insn anddi3_sp32, and_not_di_sp32, iordi3_sp32,
1660 or_not_di_sp32, xordi3_sp32, xor_not_di_sp32, one_cmpldi2):
1661 Likewise and force + implement splits for integer cases.
1662 (define_insn return_sf_no_fpu): Likewise and allow to match when
1663 no-fpu because of our subreg SFmode splits.
1664 (define_insn zero_extendqihi2, zero_extendqisi2_insn,
1665 zero_extendqidi2_insn, zero_extendhidi2_insn,
1666 zero_extendsidi2_insn, sign_extendsidi2_insn): Likewise and use
1667 input_operand for second operand.
1668 (cmp_minus_cc, cmp_minus_cc_set): Likewise and use
1669 reg_or_0_operand for operand 2 so new splits can use it.
1670 (cmp_zero_extendqisi2, cmp_zero_extendqisi2_set, cmp_cc_plus,
1671 cmp_cc_xor_not): Likewise and don't forget to check TARGET_LIVE_G0
1673 (cmp_zero_extract, cmp_zero_extract_sp64): Likewise and allow
1674 CONST_DOUBLEs for operand 2.
1675 (define_insn move_label_di): Likewise and label distance
1676 optimization because it no longer works with new deferred case
1677 vector scheme. To be revisited.
1678 (define_insn x_minus_y_minus_sltu, x_minus_sltu_plus_y): Likewise
1679 and allow reg_or_0_operand and J constraint for second operand.
1680 (define_insn jump): Set branch predict taken on V9.
1681 (define_insn tablejump): Emit LABEL_REF + PLUS memory address for
1682 new deferred case vector scheme.
1683 (define_insn pic_tablejump_32, pic_tablejump_64): Remove.
1684 (define_insn negdi2_sp32): Force + implement splits.
1685 (define_insn negsi2, one_cmplsi2): Rename to negsi2_not_liveg0 and
1686 one_cmplsi2_not_liveg0 respectively, and create expander of original
1687 names which emit special rtl for TARGET_LIVE_G0.
1688 (define_insn cmpdi_v8plus, scc_si, scc_di): Remove.
1689 (define_insn seq, sne, slt, sge, sle, sltu, sgeu): Don't do
1690 gen_compare_reg, FAIL instead.
1691 (define_insn sgtu, sleu): Likewise and check gen_s*() return
1692 values when trying to reverse condition codes, if they FAIL then
1694 (define_insn snesi_zero, neg_snesi_zero, snesi_zero_extend,
1695 snedi_zero, neg_snedi_zero, snedi_zero_trunc, seqsi_zero,
1696 neg_seqsi_zero, seqsi_zero_extend, seqdi_zero, neg_seqdi_zero,
1697 seqdi_zero_trunc, x_plus_i_ne_0, x_minus_i_ne_0, x_plus_i_eq_0,
1698 x_minus_i_eq_0): Add new splits to perform these multi-insn cases,
1699 set output string to # to indicate they are mandatory splits.
1700 (define_insn pic_lo_sum_si, pic_sethi_si, pic_lo_sum_di,
1701 pic_sethi_di, move_pic_label_si): Remove.
1702 (define_insn movsi_low_sum, movsi_high, movsi_lo_sum_pic,
1703 movsi_high_pic, movsi_pic_label_reg): New patterns to take their
1705 (define_expand movsi_pic_label_ref, define_insn
1706 movsi_high_pic_label_ref, movsi_lo_sum_pic_label_ref): New
1707 expander and insns to handle PIC label references and deferred
1709 (define_insn get_pc_via_rdpc): Comment out as it is no longer
1711 (define_expand movqi, movhi, movsi, movdi, movsf, movdf, movtf):
1712 Rewrite to not use emit_move_sequence, make use of new constant
1713 formation code, and new splits for all multi-insn cases.
1714 (define_insn movqi_insn): Remove sethi case, it can never happen.
1715 Use reg_or_zero_operand instead of const0_rtx explicit test,
1716 use input_operand instead of move_operand for source, and use
1717 general_operand now for dest.
1718 (define_insn movhi_insn): Similar but leave sethi case.
1719 (define_insn lo_sum_qi, store_qi, store_hi): Remove.
1720 (define_insn sethi_hi lo_sum_hi): Rename to movhi_high and
1721 movhi_lo_sum respectively, prettify output string.
1722 (define_insn movsi_zero_liveg0): New pattern to put zero into a
1723 register when needed on TARGET_LIVE_G0.
1724 (define_insn movsi_insn): Use general_operand and input_operand
1725 for dest and src respectively. Simplify applicability test.
1726 Prettify output strings, and add clr alternative for J
1728 (define_insn movdi_sp32_v9, movdi_sp32, define_splits for
1729 deprecated std and reg-reg DI moves): Remove and...
1730 (define_insn movdi_insn_sp32, movdi_insn_sp64): Replace with new
1731 implementation which uses forced splits for all non-single insn
1733 (define_split DI move cases on !arch64): New splits to handle all
1734 situations of 64-bit double register DImode on 32bit, and
1735 unaligned registers and memory addresses for all subtargets.
1736 (define_insn movsf_const_insn, movdf_const_insn, store_sf):
1738 (define_insn movsf_insn, movsf_no_f_insn): Use general_operand and
1739 input_operand for dest and src respectively, prettify output
1741 (define_insn movdf_insn, movdf_no_e_insn, store_df,
1742 movtf_const_insn, movtf_insn, movtf_no_e_insn, store_tf): Remove
1744 (define_insn movdf_insn_sp32, movdf_no_e_insn_sp32,
1745 movdf_insn_sp64, movdf_no_e_insn_sp64, movtf_insn,
1746 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_sp64,
1747 movtf_no_e_insn_sp64) Replace with new
1748 implementation which uses forced splits for all non-single insn
1750 (define_split DF move cases): New splits in similar vein to DI
1752 (define_insn sethi_di_medlow, sethi_di_medium_pic,
1753 sethi_di_embmedany_data, sethi_di_embmedany_text, sethi_di_sp64,
1754 movdi_sp64_insn): Remove old v9 code model and constant loading
1756 (define_insn pic_lo_sum_di, pic_sethi_di,
1757 sethi_di_medlow_embmedany_pic, sethi_di_medlow, losum_di_medlow,
1758 seth44, setm44, setl44, sethh, setlm, sethm, setlo,
1759 embmedany_sethi, embmedany_losum, embmedany_brsum,
1760 embmedany_textuhi, embmedany_texthi, embmedany_textulo,
1761 embmedany_textlo, movdi_lo_sum_sp64_cint, movdi_lo_sum_sp64_dbl,
1762 movdi_high_sp64_cint, movdi_high_sp64_dbl): Replace with new
1763 scheme, using unspecs, secondary reloads, and one to one sparc
1764 insn to rtl insn mapping for better scheduling and code gen.
1765 (define_expand reload_indi, reload_outdi): Reload helpers for
1766 MEDANY and EMBMEDANY symbol address loading cases which require a
1768 (define_expand movsicc): Remove v8plus_regcmp cases.
1769 (define_insn movdi_cc_sp64_trunc, movdi_cc_reg_sp64_trunc,
1770 cmp_zero_extendqidi2, cmp_zero_extendqidi2_set, cmp_qidi_trunc,
1771 cmp_diqi_trunc_set): New patterns used by some of the new scc
1773 (define_insn xordi3_sp64_dbl): New pattern used for constant
1774 formation when crossing from 32-bit targets.
1775 (define_insn movsi_cc_reg_v8plus, v8plus_clear_high, and helper
1777 (define_insn addx, subx): Make visible and prettify.
1778 (define_insn adddi3_insn_sp32): Likewise and force split.
1779 (define_insn addx_extend, subx_extend, unnamed): New patterns for
1780 64bit scc split usage.
1781 (define_insn unnamed plusDI zero_extend, unnamed minusDI
1782 zero_extend, subdi3): Force and implement splits.
1784 * final.c (final_scan_insn): Don't output labels if target
1785 specifies ASM_OUTPUT_ADDR_{DIFF}_VEC. Do these macro operations
1788 * reorg.c (dbr_schedule): When taking on BR_PRED notes at the end,
1789 don't forget to walk inside SEQUENCESs too as these are what the
1790 delay slot scheduler will create.
1792 Mon Aug 10 01:21:01 1998 Richard Henderson <rth@cygnus.com>
1794 * alpha.md (extxl+1,+2): New patterns to work around
1797 Sat Aug 8 19:20:22 1998 Gary Thomas (gdt@linuxppc.org)
1799 * rs6000.c (rs6000_allocate_stack_space) Fix typo which
1800 caused bad assembly code to be generated.
1802 Sat Aug 8 18:53:28 1998 Jeffrey A Law (law@cygnus.com)
1804 * netbsd.h: Fix typo.
1806 Mon Aug 3 00:06:42 1998 Robert Lipe <robertl@dgii.com>
1808 * config.sub: Fix typo.
1810 Sun Aug 2 22:39:08 1998 Hans-Peter Nilsson <hp@axis.se>
1812 * invoke.texi (Environment Variables): Typo: Change "ascpects"
1814 (Running Protoize): Typo: Change "ther" into "other".
1816 Sun Aug 2 00:42:50 1998 Jeffrey A Law (law@cygnus.com)
1818 * i386/netbsd.h: Undo previous change to DWARF2_UNWIND_INFO.
1819 * m68k/netbsd.h: Likewise.
1820 * ns32k/netbsd.h: Likewise.
1821 * sparc/netbsd.h: Likewise.
1823 Sat Aug 1 17:59:30 1998 Richard Henderson <rth@cygnus.com>
1825 * ginclude/va-alpha.h (va_list): Use a typedef, not a define.
1826 * ginclude/va-clipper.h (va_list): Likewise.
1828 Fri Jul 31 20:22:02 1998 Michael Meissner <meissner@cygnus.com>
1830 * rs6000.c (rs6000_override_options): If big endian and -Os, use
1831 load/store multiple instructions unless user overrides.
1833 Fri Jul 31 17:08:59 1998 Jeffrey A Law (law@cygnus.com)
1835 * ns32k/netbsd.h: Fix typo.
1837 Fri Jul 31 10:23:55 1998 Doug Evans <devans@canuck.cygnus.com>
1839 * m32r/m32r.h (ASM_OUTPUT_SOURCE_LINE): Always output line number
1840 labels with .debugsym if no parallel insns.
1842 Thu Jul 30 19:15:53 1998 Richard Henderson <rth@cygnus.com>
1844 * alpha.md (fp cmp): Replicate patterns for ALPHA_TP_INSN.
1845 (fcmov): Remove ALPHA_TP_INSN patterns -- fcmov doesn't trap.
1847 Thu Jul 30 19:50:15 1998 David Edelsohn <edelsohn@mhpcc.edu>
1849 * rs6000/x-aix43 (AR_FOR_TARGET_FLAGS): Delete.
1850 (AR_FOR_TARGET): Define.
1852 Thu Jul 30 12:29:12 1998 Mark Mitchell <mark@markmitchell.com>
1854 * dyn-string.h: New file.
1855 * dyn-string.c: Likewise.
1856 * Makefile.in (OBJS): Add dyn-string.o.
1857 (dwarf2out.o): Add dyn-string.h dependency.
1858 (dyn-string.o): List dependencies.
1859 * dwarf2out.c: Include dyn-string.h.
1860 (ASM_NAME_TO_STRING): Use dyn_string_append, rather than strcpy.
1861 (addr_const_to_string): Take a dyn_string_t, not a char* as a
1862 prototype. Use dyn_string_append rather than strcat, throughout.
1863 (addr_to_string): Use dyn_string_t.
1865 Thu Jul 30 13:08:07 1998 Ken Raeburn <raeburn@cygnus.com>
1867 Function entry/exit profiling instrumentation:
1868 * expr.h (profile_function_entry_libfunc,
1869 profile_function_exit_libfunc): Declare new variables.
1870 * optabs.c: Define them here.
1871 (init_optabs): Initialize them.
1872 * tree.h (struct tree_decl): New flag
1873 no_instrument_function_entry_exit.
1874 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT): New accessor macro.
1875 * c-decl.c (duplicate_decls): Merge it.
1876 * c-common.c (enum attrs): New value A_NO_INSTRUMENT_FUNCTION.
1877 (init_attributes): Use it for "no_instrument_function".
1878 (decl_attributes): Handle it, for functions that have not yet been
1879 compiled. Set decl flag.
1880 * flags.h (flag_instrument_function_entry_exit): Declare new
1882 * toplev.c (flag_instrument_function_entry_exit): Define it here.
1883 (f_options): New option "instrument-functions".
1884 * function.h (struct function): New field instrument_entry_exit.
1885 * function.c (current_function_instrument_entry_exit): New
1887 (push_function_context_to, pop_function_context_from): Save and
1889 (expand_function_start): Set current_ variable, maybe emit return
1890 label and entry profile call.
1891 (expand_function_end): Maybe emit exit profile call.
1893 Thu Jul 30 00:58:34 1998 Jeffrey A Law (law@cygnus.com)
1895 * i386.md (movqi): When optimizing a load of (const_int 1) into a
1896 NON_QI_REG_P, pretend the register is SImode.
1898 Wed Jul 29 23:49:23 1998 Todd Vierling <tv@netbsd.org>
1900 * configure.in: Use xm-netbsd.h as the NetBSD xm file (not xm-siglist).
1901 Accept arm32 as arm, m68k4k as m68k, mipsle as mips-dec, and any
1902 manufacturer id for ns32k.
1903 * configure: Regenerated.
1904 * config/netbsd.h: When using ASM_WEAKEN_LABEL, make it global too.
1905 * config/t-netbsd: Don't compile libgcc1-test as the fns are in libc.
1906 * config/i386/netbsd.h: Undefine DWARF2_UNWIND_INFO, not define as 0.
1907 * config/m68k/netbsd.h: Same.
1908 * config/ns32k/netbsd.h: Same.
1909 * config/sparc/netbsd.h: Same.
1911 Wed Jul 29 22:39:21 1998 Jeffrey A Law (law@cygnus.com)
1913 * unroll.c (unroll_loop): Do not abort for an UNROLL_MODULO
1914 or UNROLL_COMPLETELY loop that starts with a jump to its
1917 Wed Jul 29 22:18:14 1998 David Edelsohn <edelsohn@mhpcc.edu>
1919 * rs6000/rs6000.md (absdi2 define_split): Swap operands of MINUS.
1920 * rs6000/rs6000.c (mask64_operand): Use HOST_BITS_PER_WIDE_INT.
1921 (print_operand, case 'B'): Don't fall through.
1922 (print_operand, case 'S'): Correct mask begin/end computation.
1923 Use HOST_BITS_PER_WIDE_INT.
1924 * rs6000/rs6000.h (CPP_PREDEFINES): Define _LONG_LONG.
1925 (CONDITIONAL_REGISTER_USAGE): GPR13 fixed if TARGET_64BIT.
1926 * rs6000/aix41.h (CPP_PREDEFINES): Same.
1927 * rs6000/aix43.h (CPP_PREDEFINES): Same.
1929 Wed Jul 29 11:47:10 1998 Nick Clifton <nickc@cygnus.com>
1931 * config/arm/thumb.md (extendqisi2_insn): Remove earlyclobber
1932 constraint from second alternative.
1934 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1936 * configure.in: Fix --without/--disable cases for local-prefix,
1937 gxx-include-dir and checking.
1939 Tue Jul 28 22:01:23 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
1941 * configure.in (enable_haifa): Set by default for sparc64 too.
1944 Tue Jul 28 23:29:04 1998 Jason Merrill <jason@yorick.cygnus.com>
1946 * i386/cygwin32.h (VALID_MACHINE_TYPE_ATTRIBUTE): New macro.
1947 * i386/winnt.c (associated_type): New fn.
1948 (i386_pe_valid_type_attribute_p): New fn.
1949 (i386_pe_check_vtable_importexport): Remove.
1950 (i386_pe_dllexport_p): Use associated_type.
1951 (i386_pe_dllimport_p): Likewise.
1953 From Antonio M. O. Neto <anmendes@cruzeironet.com.br>:
1954 * i386.c (i386_valid_type_attribute_p): Also accept
1955 attributes for METHOD_TYPEs.
1957 Tue Jul 28 23:17:39 1998 Peter Gerwinski <peter@gerwinski.de>
1959 * tree.c (build_range_type): Copy TYPE_SIZE_UNIT.
1961 Tue Jul 28 22:31:12 1998 Craig Burley <burley@gnu.org>
1963 * gcc.c: Fix commentary describing %g, %u, %U, and %O.
1965 * gcc.c (do_spec_1): Fix handling of %g%O and %U%O to prevent
1966 them from generating a new base name for each occurence of
1969 1998-07-28 Vladimir N. Makarov <vmakarov@cygnus.com>
1971 * cse.c (cse_insn): Enable subsitution inside libcall only for REG,
1973 * rtlanal.c (replace_rtx): Prohibit replaces in CONST_DOUBLE.
1977 * cplus-dem.c (type_kind_t): New type.
1978 (demangle_template_value_parm): Add type_kind_t parameter. Rely
1979 on this paramter, rather than demangling the type again.
1980 (demangle_integral_value): Pass tk_integral.
1981 (demangle_template_: Pass the value returned from do_type.
1982 (do_type): Return a type_kind_t. Pass tk_integral to
1983 demangle_template_value_parm for array bounds.
1984 (demangle_fund_type): Likewise.
1986 Mon Jul 27 00:54:41 1998 Jason Merrill <jason@yorick.cygnus.com>
1988 * tree.c (simple_cst_equal, case CONSTRUCTOR): OK if the elts are
1991 Mon Jul 27 22:18:36 1998 Jeffrey A Law (law@cygnus.com)
1993 * pa.c (move_operand): Accept CONSTANT_P_RTX.
1995 Mon Jul 27 17:18:52 1998 Dave Brolley <brolley@cygnus.com>
1997 * stor-layout.c (layout_type): Handle arrays of bits, for Chill.
1999 * expr.c (get_inner_reference): Handle zero-based, unsigned, array
2002 Mon Jul 27 14:51:33 1998 Jeffrey A Law (law@cygnus.com)
2004 * mn10300.h (DEBUGGER_AUTO_OFFSET): Define.
2005 (DEBUGGER_ARG_OFFSET): Likewise.
2007 * mn10300.md (movsf): Remove last change. Not needed.
2009 Mon Jul 27 14:22:36 1998 Dave Brolley <brolley@cygnus.com>
2011 * c-lex.c (yylex): Fix boundary conditions in character literal and
2012 string literal loops.
2014 Mon Jul 27 11:43:54 1998 Stan Cox <scox@cygnus.com>
2016 * longlong.h (count_leading_zeros): Sparclite scan instruction was
2017 being invoked incorrectly.
2019 * i386.c (ix86_prologue): Added SUBTARGET_PROLOGUE invocation.
2020 * i386/cygwin32.h (STARTFILE_SPEC, LIB_SPEC, SUBTARGET_PROLOGUE):
2022 * i386/win32.h: New file. Hybrid mingw32.h/cygwin32.h configuration.
2023 * configure.in: Added i[34567]86-*-win32
2024 * config.sub: Ditto.
2025 * configure: Rebuilt.
2027 Sun Jul 26 01:11:12 1998 H.J. Lu (hjl@gnu.org)
2029 * i386.h (CONST_DOUBLE_OK_FOR_LETTER_P): Return 0 when eliminating
2030 the frame pointer and compiling PIC code and reload has not completed.
2032 * i386.c (output_to_reg): Add code to emulate non-popping DImode
2035 Sun Jul 26 01:01:32 1998 Jeffrey A Law (law@cygnus.com)
2037 * regmove.c (regmove_optimize): Fix typo initializing regmove_bb_head.
2039 Sat Jul 25 23:29:23 1998 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2041 * Makefile.in (install-info): Only try to update the info
2042 directory file if it exists in the first place.
2044 Fri Jul 24 18:58:37 1998 Klaus Espenlaub <kespenla@student.informatik.uni-ulm.de>
2046 * rs6000.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR): Delete.
2048 Fri Jul 24 14:20:26 1998 Jeffrey A Law (law@cygnus.com)
2050 * mn10300.md (movqi, movhi, movsi, movsf): Correctly handle
2051 CONST_DOUBLE source.
2053 Fri Jul 24 11:17:04 1998 Nick Clifton <nickc@cygnus.com>
2055 * config/arm/thumb.c (thumb_print_operand): Decode %_ in asm
2056 strings as the insertion of USER_LABEL_PREFIX.
2057 * config/arm/thumb.h (PRINT_OPERAND_PUNCT_VALID_P): Accept _ as a
2059 * config/arm/thumb.md: Use %_ as a prefix to gcc library function
2062 Thu Jul 23 18:53:20 1998 Jim Wilson <wilson@cygnus.com>
2064 * dbxout.c (dbxout_range_type): Only call dbxout_type_index for
2065 already defined type.
2067 Thu Jul 23 13:49:41 1998 Jeffrey A Law (law@cygnus.com)
2069 * expr.c (check_max_integer_computation_mode): Allow conversions
2070 of constant integers to MAX_INTEGER_COMPUTATION_MODE.
2071 (expand_expr): Likewise.
2073 Thu Jul 23 11:12:06 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2075 * expr.c (expand_expr): Expand RETURN_EXPR.
2077 Thu Jul 23 11:00:29 1998 Jim Wilson <wilson@cygnus.com>
2079 * dwarf2out.c (dwarf2out_finish): Call stripattributes on TEXT_SECTION.
2081 Wed Jul 22 19:10:00 1998 Catherine Moore <clm@cygnus.com>
2083 * dwarf2out.c (output_aranges): Call stripattributes
2084 for TEXT_SECTION references.
2085 (output_line_info): Likewise.
2087 Wed Jul 22 14:08:54 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2089 * profile.c (branch_prob): Call allocate_reg_info after outputting
2090 profile rtl in instrument_arcs.
2092 Wed Jul 22 12:47:49 1998 Jim Wilson <wilson@cygnus.com>
2094 * fixinc.irix (math.h): Install wrapper instead of copying.
2096 Wed Jul 22 12:37:14 1998 Alexandre Petit-Bianco <apbianco@cygnus.com>
2098 * tree.def (EXPR_WITH_FILE_LOCATION): Defined as an 'e' expression
2099 so WFL are expanded correctly when contained in a COMPOUND_EXPR.
2100 * tree.h (EXPR_WFL_EMIT_LINE_NOTE): Change macro not to use
2101 lang_flag_0. Added documentation in the flag table.
2103 Tue Jul 21 23:28:35 1998 Klaus Kaempf <kkaempf@rmi.de>
2105 * cccp.c (do_include): Fix vax c style include handling.
2107 Tue Jul 21 13:28:19 1998 Jason Merrill <jason@yorick.cygnus.com>
2109 * cplus-dem.c (do_type): Use demangle_template_value_parm for arrays.
2111 Sun Jul 12 01:27:05 1998 Jason Merrill <jason@yorick.cygnus.com>
2113 * fold-const.c (non_lvalue): Don't deal with null pointer
2115 (fold, case COMPOUND_EXPR): Wrap a constant 0 in a NOP_EXPR.
2117 Tue Jul 21 15:49:31 1998 David Edelsohn <edelsohn@mhpcc.edu>
2119 * rs6000.h (PREDICATE_CODES): Add CONSTANT_P_RTX.
2120 * rs6000.md (movsi, movdi): Add CONSTANT_P_RTX.
2121 * rs6000.c (short_cint_operand): Add CONSTANT_P_RTX.
2122 (u_short_cint_operand): Same.
2123 (reg_or_cint_operand): Same.
2124 (logical_operand): Same.
2125 (input_operand): Same.
2126 (reg_or_short_operand): Use u_short_cint_operand.
2128 Tue Jul 21 08:56:42 1998 Richard Henderson <rth@cygnus.com>
2130 * alpha.md (fix_truncdfsi2, fix_truncsfsi2): Remove the define_expands,
2131 but keep the insns and splits. Adjust so when the ultimate destination
2132 is memory, use cvtql.
2134 Tue Jul 21 08:55:09 1998 Richard Henderson <rth@cygnus.com>
2136 * flow.c (regno_uninitialized): Fixed regs are never uninitialized.
2138 Tue Jul 21 00:31:01 1998 Jeffrey A Law (law@cygnus.com)
2140 * gcc.c (do_spec): Call "error" not "warning".
2142 * configure.in: Fix minor problems with gas feature detection code.
2143 * configure: Rebuilt.
2145 * gcc.c (do_spec): Issue a warning for '%[]' usage.
2148 * gcc.c: Delete %[spec] support.
2149 (do_spec_1, case '('): Likewise.
2150 (do_spec_1, case '['): Call error.
2152 Mon Jul 20 22:34:17 1998 Richard Henderson <rth@cygnus.com>
2154 * alpha.h (CPP_SPEC): Tidy. Hook to cpp_cpu and cpp_subtarget.
2155 (CPP_SUBTARGET_SPEC): Default to empty string.
2156 (CPP_AM_*, CPP_IM_*, CPP_CPU_*, CPP_CPU_SPEC): New.
2157 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): New.
2158 * alpha/elf.h (LD_SPEC): Use %(elf_dynamic_linker).
2159 * alpha/linux-elf.h (SUBTARGET_EXTRA_SPECS): New.
2161 * alpha/linux.h (CPP_PREDEFINES): Tidy.
2162 * alpha/netbsd-elf.h (SUBTARGET_EXTRA_SPECS): New.
2163 * alpha/netbsd.h (CPP_PREDEFINES): Tidy.
2164 * alpha/osf.h (CPP_PREDEFINES): Remove bits subsumed by CPP_CPU_SPEC.
2165 * alpha/win-nt.h (CPP_PREDEFINES): Likewise.
2166 * alpha/vsf.h (CPP_PREDEFINES): Likewise.
2167 (CPP_SUBTARGET_SPEC): New. Do this instead of overriding CPP_SPEC.
2168 * alpha/vxworks.h: Likewise.
2170 Mon Jul 20 22:51:57 1998 Ken Raeburn <raeburn@cygnus.com>
2172 * mips.md (reload_outsi): Added missing REGNO call.
2173 (smulsi3_highpart, umulsi3_highpart): Provide prototype for
2175 (mul_acc_di, mul_acc_64bit_di): Don't use match_op_dup, use
2176 another match_operator and compare the codes.
2178 * mips.h (MASK_DEBUG_E, MASK_DEBUG_I): Set to zero.
2180 * MIPS multiply pattern fixes:
2181 * mips.h (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
2182 Add union classes for HI, LO, or HILO plus general registers.
2183 (GENERATE_MADD): Deleted.
2184 * mips.md (mulsi3_mult3): Don't disparage output-LO alternative.
2185 Add TARGET_MAD to condition.
2186 (mulsi3): Test HAVE_mulsi3_mult3, not specific flags.
2187 (mul_acc_si): Expand GENERATE_MADD here; it's the only use. Use
2188 "*d" for accumulator, to give preference to LO initially but not
2191 Mon Jul 20 16:16:38 1998 Dave Brolley <brolley@cygnus.com>
2193 * configure.in (enable_c_mbchar): New configure option.
2194 (extra_cpp_objs): Always available now.
2196 * cexp.y (mbchar.h): #include it.
2197 (yylex): Handle Multibyte characters in character literals.
2199 * cccp.c (mbchar.h): #include it.
2200 (main): Set character set based on LANG environment variable.
2201 (rescan): Handle multibyte characters in comments.
2202 (skip_if_group): See above.
2203 (validate_else): See above.
2204 (skip_to_end_of_comment): See above.
2205 (macarg1): See above.
2206 (discard_comments): See above.
2207 (rescan): Handle multibyte characters in string and character literals.
2208 (collect_expansion): See above.
2209 (skip_quoted_string): See above.
2210 (macroexpand): See above.
2211 (macarg1): See above.
2212 (discard_comments): See above.
2213 (change_newlines): See above.
2215 * c-lex.c (mbchar.h): #include it.
2216 (GET_ENVIRONMENT): New macro.
2217 (init_lex): Set character set based on LANG environment variable.
2218 (yylex): Handle multibyte characters in character literals.
2219 (yylex): Handle multibyte characters in string literals.
2221 * Makefile.in (mbchar.o): New target.
2222 (cccp$(exeext)): @extra_cpp_objs@ is always available.
2223 (cppmain$(exeext)): @extra_cpp_objs@ is always available.
2225 * mbchar.[ch]: New files for multibyte character handling.
2227 Mon Jul 20 01:11:11 1998 David S. Miller <davem@pierdol.cobaltmicro.com>
2229 * jump.c (jump_optimize): When simplifying noop moves and
2230 PUSH_ROUNDING, fix thinko so we use same criterion for identifying
2231 the PUSHes to rewrite in second loop as we did in the first.
2233 Sun Jul 19 08:23:53 1998 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2235 * cplus-dem.c (demangle_nested_args): Make function definition
2236 static to match the prototype.
2238 Fri Jul 17 14:58:44 1998 Richard Henderson <rth@cygnus.com>
2240 * alloca.c: Respect USE_C_ALLOCA.
2241 * gencheck.c (xmalloc): Ignore __GNUC__ for definition.
2242 * gengenrtl.c (xmalloc): Likewise.
2244 Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
2246 * loop.h (struct induction): Add no_const_addval.
2247 * loop.c (the_movables, reg_address_cost): New variables.
2248 (init_loop): Init reg_address_cost.
2249 (loop_optimize): Call end_alias_analysis.
2250 (scan_loop): Init the_movables.
2251 (record_giv): Init induction->no_const_addval.
2252 (basic_induction_var) [PLUS]: Use rtx_equal_p instead of ==.
2253 [REG]: Rearrange loop search test to catch more cases.
2254 (general_induction_var): Return success not benefit; take an extra
2255 argument for that. Change all callers.
2256 (simplify_giv_expr) [PLUS]: Always combine invariants. Use sge_plus.
2257 [MULT]: Use rtx_equal_p instead of ==. Combine simple invariants.
2258 [default]: Search the_movables for additional combinations.
2259 (sge_plus_constant, sge_plus): New functions.
2260 (express_from_1): New function.
2261 (express_from): Always define. Rewrite using express_from_1.
2262 (combine_givs_p): Handle more cases. Ignore address cost.
2263 (cmp_combine_givs_stats): New function.
2264 (combine_givs_used_once, combine_givs_benefit_from): New functions.
2265 (combine_givs): Rewrite to do best-fit combination.
2267 * fold-const.c (operand_equal_p): Handle RTL_EXPR.
2268 (fold): Do a complete (A*C)+(B*C) association check.
2270 Fri Jul 17 11:21:55 1998 Jim Wilson <wilson@cygnus.com>
2272 * function.c (fixup_var_refs_insns): Handle CLOBBER of a CONCAT.
2274 Fri Jul 17 11:48:55 1998 Jeffrey A Law (law@cygnus.com)
2276 * mn10300.c (MODES_TIEABLE_P): Fix typo.
2278 Fri Jul 17 03:26:12 1998 Rihcard Earnshaw (rearnsha@arm.com)
2280 * tree.c (valid_machine_attribute): Only create a new type variant if
2281 there is a decl to use it.
2283 Thu Jul 16 14:48:04 1998 Nick Clifton <nickc@cygnus.com>
2285 * gcc.c (do_spec_1): Cope with %g/%u/%U options which do not have
2288 Fri Jul 17 03:24:40 1998 Hans-Peter Nilsson <hp@axis.se>
2290 * extend.texi (Explicit Reg Vars): Typo: change "may deleted" into "may
2293 Thu Jul 16 14:48:47 1998 Jeffrey A Law (law@cygnus.com)
2295 * mn10300.c (count_tst_insns): New arg oreg_countp. Callers changed.
2296 Simplify tests for clearing an address register.
2297 (expand_prologue): Corresponding changes.
2299 * mn10300.md (movXX patterns): Make sure the destination is an
2300 ADDRESS_REG when substituting "zero_areg" for (const_int 0).
2301 (logical patterns): Split into expanders + patterns
2302 (zero and sign extension patterns): Similarly.
2303 (shift patterns): Similarly.
2305 Thu Jul 16 01:17:44 1998 Richard Henderson <rth@cygnus.com>
2307 * loop.c (emit_iv_add_mult): Scan the entire insn list generated
2308 for the sequence, recording base values.
2310 Wed Jul 15 10:49:55 1998 Richard Henderson <rth@cygnus.com>
2312 * i386.h (CPP_CPU_SPEC): Remove -Asystem(unix).
2314 Tue Jul 14 14:15:30 1998 Nick Clifton <nickc@cygnus.com>
2316 * gcc.c: Remove ANSI-C ism from --help code.
2318 * toplev.c: Support --help with USE_CPPLIB.
2320 Tue Jul 14 14:46:08 1998 Jeffrey A Law (law@cygnus.com)
2322 * configure.in: Rework gas feature code to work with symlink based
2325 * extend.texi: Clarify some issues related to local variables
2326 assigned to explicit registers.
2328 * mn10300.md (mulsi): Turn into expander + pattern.
2330 * mn10300.md (movsi, movsf, movdi, movdf): Remove "x" from I -> a
2333 Tue Jul 14 07:41:59 1998 Richard Earnshaw (rearnsha@arm.com)
2335 * arm/tcoff.h (USER_LABEL_PREFIX): Make it empty to match coff.h.
2337 Tue Jul 14 03:02:44 1998 Jeffrey A Law (law@cygnus.com)
2339 * version.c: Bump again to distinguish mainline tree from the
2342 See ChangeLog.0 for earlier changes.
2345 add-log-time-format: current-time-string
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