1 2001-08-16 Joel Sherrill <joel@OARcorp.com>
3 * config/rs6000/rtems.h: Set STARTFILE_DEFAULT_SPEC and
4 ENDFILE_DEFAULT_SPEC to correctly include ecrti and ecrtn.
5 * config/arm/rtems-elf.h: Remove bad -Darm and -Darm_elf.
7 2001-08-14 Ulrich Weigand <uweigand@de.ibm.com>
9 * config/s390/linux64.h (CPP_PREDEFINES): Define __s390__
10 also on 64-bit s390x targets.
12 2001-08-14 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14 * doc/install.texi (Specific, avr): Fix markup.
15 (Specific, c4x): Ditto.
17 2001-08-13 Andreas Jaeger <aj@suse.de>
19 * config.gcc: Use t-slibgcc-elf to build shared libgcc_s on
22 2001-08-13 Roman Zippel <zippel@linux-m68k.org>
23 Richard Henderson <rth@redhat.com>
25 * regmove.c (regmove_optimize): Avoid setting a register twice in
28 2001-08-12 David Edelsohn <edelsohn@gnu.org>
31 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
32 * gcc.c (set_collect_gcc_options): New function, split out from
34 Ignore elided switches.
35 (do_spec_1): Invoke before executing command.
38 * gcc.h (set_input): ... here.
39 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
42 2001-08-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
44 * doc/install.texi (Specific, c4x): Fix cross-reference to the
45 main manual to work both for info and HTML versions.
47 2001-08-10 Ulrich Weigand <uweigand@de.ibm.com>
49 * glimits.h (__LONG_MAX__): Add s390x as 64-bit architecture.
51 * config/s390/s390.c (legitimize_pic_address): Don't generate
52 unnecessary moves (to avoid confusing loop optimization).
53 (check_and_change_labels): Replace jump_long by indirect_jump.
54 (s390_final_chunkify): Don't start a new literal pool on section
55 switch in 64-bit code.
56 (s390_va_start, s390_va_arg): Fixed incorrect sizes for 64-bit.
58 * config/s390/s390.h (HARD_REGNO_MODE_OK, RETURN_IN_MEMORY):
59 Support complex integer modes correctly.
60 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Remove CC_REGS.
61 (EH_RETURN_HANDLER_RTX): Fixed incorrect offset for 64-bit.
62 (CONST_COSTS): Fixed incorrect costs.
64 * config/s390/s390.md (divsi3, modsi3): Clobber low word of
65 divmoddisi3 before shifting (to avoid confusing flow analysis).
66 (cjump_long, icjump_long, jump_long, indirect_jump, casesi_jump):
67 Never use "address_operand" without "p" or "memory_operand"
69 (builtin_setjmp_setup, builtin_setjmp_receiver, builtin_longjmp):
70 Fixed broken setjmp/longjmp handling.
71 (do_builtin_setjmp_setup): Removed.
73 2001-08-10 John David Anglin <dave@hiauly1.hia.nrc.ca>
75 * doc/install.texi (vax-dec-ultrix): Change `Vax' to VAX.
77 2001-08-10 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
79 * doc/install.texi (Specific, avr): Fix cross-reference to the
80 main manual to work both for info and HTML versions.
82 2001-08-09 Jakub Jelinek <jakub@redhat.com>
84 * config/ia64/fde-glibc.c: Require glibc 2.2.4+ headers.
85 (find_fde_for_dso): Remove.
86 (_Unwind_IteratePhdrCallback): New.
87 (_Unwind_FindTableEntry): Use dl_iterate_phdr.
88 * config/ia64/crtbegin.asm (__ia64_app_header): Remove.
90 2001-08-08 Kelley Cook <kelley.cook@home.com>
92 * Makefile.in: Move many of the *_H definitions eariler in the file,
93 so that rules in t-* files that use them for dependencies will work
95 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
97 2001-08-08 Mark Mitchell <mark@codesourcery.com>
99 * except.c (remove_fixup_regions): Fix typo.
101 2001-08-07 Daniel Jacobowitz <drow@mvista.com>
103 * config.gcc: Quote target_cpu_default2 correctly for
104 powerpc*-*-* targets.
106 2001-08-07 David Edelsohn <edelsohn@gnu.org>
108 * doc/install.texi: Document fine-grained multilib configuration.
110 2001-08-06 Richard Henderson <rth@redhat.com>
112 * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
113 * function.c (expand_main_function): Implement it.
114 * doc/tm.texi: Document it.
116 * i386-protos.h, i386.c, i386.h, osf1elf.h, osfrose.h: Revert 08-01
117 ix86_output_main_function_alignment_hack patch.
119 2001-08-06 Richard Henderson <rth@redhat.com>
121 2001-07-23 Richard Henderson <rth@redhat.com>
122 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
124 * config/i386/i386.md: New setcc+movzbl peephole2.
126 2001-07-22 Richard Henderson <rth@redhat.com>
127 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
128 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
131 2001-08-06 John David Anglin <dave@hiauly1.hia.nrc.ca>
133 * varasm.c (output_constant_def_contents): Use for the length of a
134 string constant either its TREE_STRING_LENGTH or its int_size_in_bytes
135 depending on which is larger.
137 2001-08-04 Hans-Peter Nilsson <hp@bitrange.com>
139 * doc/extend.texi (Other Builtins): Fix typo in last change.
141 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
143 * config/m68hc11/m68hc11.md ("cmphi_1", "cmpqi_1"): Allow memory
144 and soft register for operand 0.
145 ("cmphi_z_used", "cmpqi_z_used"): Allow memory for operand 0.
147 2001-08-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
149 * config/m68hc11/m68hc11.md ("bitcmpqi"): Allow memory and soft
150 register for operand 0.
151 ("bitcmpqi_z_used"): Allow memory for operand 0.
152 (split "bitcmpqi"): New split to handle address reg as operand 1.
154 2001-08-03 Zack Weinberg <zackw@stanford.edu>
156 * builtins.c (fold_builtin_constant_p): Return integer_zero_node
157 for complex expressions when cfun == 0.
158 * doc/extend.texi: Document that __builtin_constant_p can be
159 used in data initializers as well as functions.
161 2001-08-03 Richard Henderson <rth@redhat.com>
163 * except.c (collect_one_action_chain): Add an explicit cleanup
164 action if regions surrounding a catch were encoded entirely
165 within the call-site entry.
167 2001-08-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
169 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Add _ctor and _dtor.
170 * config/m68hc11/larith.asm (_exit): Split in several sub-sections
171 merged by linker script to get a final _exit().
172 (__do_global_dtors): New for destructor handling in specific exit
174 (__do_global_ctors): New for constructors in specific install section.
175 (__map_data_section): Map data sections before running constructors.
176 * config/m68hc11/m68hc11.h (INT_ASM_OP): Define to use .word.
177 (CTORS_SECTION_ASM_OP): Define to put in readonly section.
178 (DTORS_SECTION_ASM_OP): Likewise.
179 (CTORS_SECTION_FUNCTION): Define to force a reference to
181 (DTORS_SECTION_FUNCTION): Likewise for __do_global_dtors.
183 2001-08-03 Ulrich Weigand <uweigand@de.ibm.com>
185 * config.gcc (s390-*-linux*, s390x-*-linux*): Added.
186 * doc/install.texi: Add s390 and s390x targets.
187 * doc/invoke.texi: Add s390 and s390x target options.
188 * doc/md.texi: Add s390 and s390x extra constraints.
189 * config/s390/s390.c: New. Subroutines for code generation.
190 * config/s390/s390.h: New. Definitions for S/390.
191 * config/s390/s390-protos.h: New. Prototypes.
192 * config/s390/linux.h: New. Definitions for Linux for S/390.
193 * config/s390/linux64.h: New. Definitions for Linux for zSeries.
194 * config/s390/t-linux: New. Makefile fragment.
195 * config/s390/s390.md: New. Machine description for S/390 and zSeries.
196 * config/s390/xm-390.h: New. Host definitions for S/390.
197 * config/s390/xm-390x.h: New. Host definitions for zSeries.
198 * config/s390/fixdfdi.h: New. Fix L_fix*di.
200 2001-08-03 Neil Booth <neil@cat.daikokuya.demon.co.uk>
202 * cpplex.c (parse_string): Warn once per string.
203 * cpplib.c (_cpp_do_file_change): Call hook correctly.
205 2001-08-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
207 * doc/install.texi (Configuration): Fix markup.
208 (Specific, i?86-*-udk): Likewise.
209 (Specific, alpha*-dec-osf*): Warn against --with-gnu-as,
211 Document --enable-threads and --enable-libgcj status.
212 (Specific, mips-sgi-irix*): Canonicalize triples.
213 (Specific, mips-sgi-irix5): Warn about problems with this config.
214 Mention required GNU as patch.
215 Native assembler problems are fixed.
216 (Specific, mips-sgi-irix6): Update O32 ABI support status.
217 Document --enable-threads and --enable-libgcj status.
219 2001-08-02 David Edelsohn <edelsohn@gnu.org>
221 * doc/install.texi (Install GCC: Binaries): Update Bull info.
223 2001-08-02 Nathan Sidwell <nathan@codesourcery.com>
226 * doc/invoke.texi (C++ Dialect Options): Remove -fno-honor-std.
228 2001-08-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
230 * gcc.c (set_collect_gcc_options): New function, split out from
232 Ignore elided switches.
233 (do_spec_1): Invoke before executing command.
236 * gcc.h (set_input): ... here.
237 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %U.s to refer to input
240 2001-08-01 Hartmut Penner <hpenner@de.ibm.com>
242 * varasm.c (decode_rtx_const): Allow unspec (symbol_ref) in
243 constant pool to be identical by string address and index.
245 2001-08-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
247 * params.def (PARAM_MAX_INLINE_INSNS): Change default to 600.
248 Correct comment that had been missed in the previous change.
250 2001-08-01 Robert Lipe <robertl@caldera.com>
252 * dwarfout.c: Remove reference to README.DWARF.
254 2001-08-01 Richard Henderson <rth@redhat.com>
256 * rtl.c (read_name): Consider \r whitespace.
258 2001-08-01 Mark Kettenis <kettenis@gnu.org>
260 * unwind-pe.h (base_of_encoded_value, read_encoded_value): Define
261 only if NO_BASE_OF_ENCODED_VALUE isn't defined.
262 * unwind-dw2-fde.c (NO_BASE_OF_ENCODED_VALUE): Define before
263 including "unwind-pe.h".
265 Wed Aug 1 20:15:33 CEST 2001 Jan Hubicka <jh@suse.cz>
267 * i386-protos.h (ix86_output_main_function_alignment_hack): Declare.
268 * i386.c (ix86_output_main_function_alignment_hack): New global
270 * i386.h (FUNCTION_PROLOGUE): New macro.
271 * osf1elf.h (FUNCTION_PROLOGUE): Call new function.
272 * osfrose.h (FUNCTION_PROLOGUE): Likewise.
274 2001-08-01 H.J. Lu <hjl@gnu.org>
276 * config/mips/linux.h (ASM_OUTPUT_IDENT): Defined.
278 2001-08-01 H.J. Lu <hjl@gnu.org>
280 * gcc/config/mips/linux.h (ASM_OUTPUT_SOURCE_LINE): Defined.
282 2001-07-31 Jeff Sturm <jsturm@one-point.com>
284 * except.c (duplicate_eh_regions): Test n_array[i] for NULL.
286 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
288 * config/m68k/m68k.md: Replace all general_operand with
289 nonimmediate_operand for all destinations.
290 * config/m68k/m68k.c: Include expr.h and reload.h.
291 (not_sp_operand): Check nonimmediate_operand.
293 2001-07-30 Roman Zippel <zippel@linux-m68k.org>
295 * config/m68k/m68k.h (TARGET_SWITCHES/TARGET_OPTIONS):
296 Add missing doc strings.
297 * config/m68k/linux-aout.h (SUBTARGET_SWITCHES): Likewise.
298 * config/m68k/linux.h (SUBTARGET_SWITCHES): Likewise.
300 2001-07-30 H.J. Lu <hjl@gnu.org>
302 * config/mips/linux.h (CPLUSPLUS_CPP_SPEC): Add -D_GNU_SOURCE.
303 (ASM_DECLARE_FUNCTION_NAME): Defined.
304 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
305 (FUNCTION_NAME_ALREADY_DECLARED): Likewise.
307 2001-07-30 Janis Johnson <janis@us.ibm.com>
309 * profile.c (branch_prob): Fix .bbg info for computed gotos
312 2001-07-28 Golubev I. N. <gin@mo.msk.ru>
314 * config/i386/sco5.h (DWARF2_DEBUGGING_INFO): Define.
316 2001-07-27 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
318 * doc/install.texi (Configuration): Properly link the host
319 specific instructions also when generating HTML.
321 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
323 * glimits.h (_MACH_MACHLIMITS_H_): Delete.
325 Thu Jul 26 22:01:30 2001 Denis Chertykov <denisc@overta.ru>
327 * cse.c (cse_process_notes): Replace any registers if the address
330 2001-07-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
332 * Makefile.in (LIBICONV): Define.
334 2001-07-26 Andrew MacLeod <amacleod@redhat.com>
336 * params.def (PARAM_MAX_PENDING_LIST_LENGTH): Add parameter to
337 limit length of dependancy flush list.
338 * params.h (MAX_PENDING_LIST_LENGTH): Define.
339 * sched-int.h (struct deps): Add pending_flush_length field.
340 * sched-deps.c (flush_pending_lists): Last_pending_memory_flush now
342 (sched_analyze_1): Use MAX_PENDING_LIST_LENGTH.
343 (sched_analyze): After a jump, if the pending memory flush list is too
344 large, flush the pending lists.
345 (init_deps): Initialize pending_flush_length to 0.
346 * doc/invoke.texi (max_pending_list_length): Document parameter.
348 2001-07-25 Richard Henderson <rth@redhat.com>
350 * varasm.c (assemble_variable): Create DECL_RTL before setting
353 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
354 Janis Johnson <janis@us.ibm.com>
356 * stmt.c (expand_goto): A nonlocal goto can be a call too.
357 * builtins.c (expand_builtin_longjmp): Reverse label and static chain
358 pointer parameters to match documented usage of nonlocal_goto.
359 * config/ia64/ia64.md (nonlocal_goto): Revert label and static chain
360 parameters to their correct order.
361 * config/sparc/sparc.md (nonlocal_goto): Revert label and static chain
362 parameters to their correct order.
364 2001-07-25 Andrew MacLeod <amacleod@redhat.com>
366 * config/ia64/ia64.h (STRIP_NAME_ENCODING): Strip out '*' as well.
368 2001-07-24 Joel Sherrill <joel@OARcorp.com>
370 * config/i960/i960.h (CPP_SPEC): Define _SOFT_FLOAT for -msoft-float.
372 2001-07-24 Joel Sherrill <joel@OARcorp.com>
374 * config/sparc/rtems.h (CPP_PREDEFINES): Remove redundant
375 -Acpu and -Amachine.h.
376 * config/sparc/rtemself.h (CPP_PREDEFINES): Likewise.
377 Corrected header to say ELF not a.out.
378 * config/sparc/sparc.h (CPP_CPU_SPEC): Define _SOFT_FLOAT
379 when given -msoft-float.
381 2001-07-24 Joel Sherrill <joel@OARcorp.com>
383 * config.gcc (arm*-*-rtems*): Include crtinit.o and crtfini.o as
384 extra multilib parts like arm-elf.
385 (i960-*-coff*, i960-*-rtems): Should not use collect2.
386 (m68020-*-elf*, m68k-*-elf*, m68k-*-rtems*): Include crtinit.o and
387 crtfini.o as extra multilib parts.
389 2001-07-24 Joel Sherrill <joel@OARcorp.com>
391 * configure.in: Add rtems as a supported thread model.
392 * gthr-rtems.h: Add missing entry point __gthread_active_p.
393 * configure: Rebuilt.
395 2001-07-24 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
397 * config/mips/irix6-libc-compat.c: New file.
398 * config/mips/t-iris6 (LIB2FUNCS_STATIC_EXTRA): Use it.
399 * doc/install.texi (Specific, mips*-sgi-irix6): Mention structure
402 2001-07-23 Kazu Hirata <kazu@hxi.com>
404 * reload.c: Fix comment typos.
406 2001-07-23 Richard Henderson <rth@redhat.com>
408 * config/i386/i386.c (ix86_expand_setcc): Don't use method 0
410 * config/i386/i386.md: New setcc+movzbl peephole2.
412 2001-07-23 lars brinkhoff <lars@nocrew.org>
414 * tm.texi (TARGET_FLOAT_FORMAT): Document IBM_FLOAT_FORMAT
415 and C4X_FLOAT_FORMAT.
416 (BOOL_TYPE_SIZE): Document.
418 2001-07-22 Richard Henderson <rth@redhat.com>
420 * fold-const.c (fold): Test vs FLOAT_TYPE_P instead of
421 INTEGRAL_TYPE_P when folding comparisons with operand_equal_p
424 2001-07-22 Alexandre Oliva <aoliva@redhat.com>
426 * config/i386/freebsd-aout.h (ASM_PREFERRED_EH_DATA_FORMAT): Use
427 the definition in defaults.h.
429 2001-07-22 Richard Henderson <rth@redhat.com>
431 * regrename.c (regrename_optimize): Compute nregs for each
432 potential target register.
434 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
436 * config/m68hc11/m68hc11.md ("andqi3"): Accept d as second operand.
437 ("iorqi3"): Likewise.
438 ("xorqi3"): Likewise.
439 ("*addhi3"): Fix constraint to avoid reloading in a soft register.
440 ("*subhi3_sp): Likewise.
441 ("*subhi3"): Likewise.
442 ("extendhisi2"): Accept D, X and Y as source operand to avoid
445 2001-07-20 Bruce Korb <bkorb@gnu.org>
447 * fixinc/fixincl.c(test_for_changes): force unsigned char comparisons
448 because getc() and char* may disagree on signedness.
450 2001-07-20 Richard Henderson <rth@redhat.com>
452 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
453 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
454 handling of two-address insns.
456 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
458 * config/m68hc11/m68hc11.md ("movdi", "movdi_internal"): Use an
459 expand to emit the pattern; put a REG_INC note for push/pop
461 ("movdf", "movdf_internal"): Likewise.
462 ("movsi", "movsi_internal"): Likewise.
463 ("movsf", "movsf_internal"): Likewise.
464 ("movhi", "movqi"): Emit a REG_INC note for push/pop instructions.
466 2001-07-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
468 * config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Don't use
471 2001-07-20 Daniel Berlin <dan@cgsoftware.com>
473 * params.def: Change default max inline insns to 100.
475 2001-06-20 Kelley Cook <kelley.cook@home.com>
477 * doc/install.texi (sparc-sun-solaris*): Add in 4.x assembler bug
478 information. Move rest into ...
479 (*-*-solaris): ... here. Eliminate redundant information and
480 reword necessary packages section. Delete 4.x assembler bug info.
481 (sparc-sun-*): Merge into ...
482 (sparc-sun-sunos*): here.
484 2001-07-19 Mark Mitchell <mark@codesourcery.com>
486 * reorg.c (fill_simple_delay_slots): If an instruction might throw
487 an exception that will be caught within this function, do not fill
488 its delay slot with any subsequent instruction.
490 2001-07-19 Mark Kettenis <kettenis@wins.uva.nl>
491 Jakub Jelinek <jakub@redhat.com>
493 * unwind-dw2.c (_Unwind_FrameState): Add eh_ptr.
494 (extract_cie_info): Handle "eh" augmentation properly,
496 (struct frame_state, __frame_state_for): New.
498 2001-07-19 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
500 * config/alpha/osf.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL,
501 HANDLE_SYSV_PRAGMA): Define.
502 * mips-tfile.c (add_ext_symbol): Pass complete symbol ptr, inline
504 (copy_object): Caller changed.
506 2001-07-19 Andreas Schwab <schwab@suse.de>
508 * configure.in (assembler dwarf2 debug_line support): Define nop
510 * configure: Regenerated.
512 2001-07-18 Jeff Sturm <jsturm@one-point.com>
514 * dwarf2out.c (dwarf2out_abstract_function): Don't emit
515 in-class declaration at -g1. Fixes c++/2814.
517 2001-07-18 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
519 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Check for ASM_WEAKEN_LABEL.
521 2001-07-18 Andreas Schwab <schwab@suse.de>
523 * configure.in (assembler eh_frame optimization): Handle big
525 * configure: Regenerated.
527 2001-07-18 Tom Tromey <tromey@redhat.com>
530 * configure: Rebuilt.
531 * configure.in: Don't check for iconv.h or iconv(); use AM_ICONV
533 * aclocal.m4 (AM_ICONV): New macro from Bruno Haible.
535 Wed Jul 18 12:05:29 2001 Nicola Pero <n.pero@mi.flashnet.it>
537 * gthr-posix.h (__gthread_objc_mutex_trylock): Fixed return value
538 on error. We can't blindly return the result of
539 pthread_mutex_trylock because it returns a positive number on
540 error, while we must return -1 on error.
541 (__gthread_objc_mutex_lock, __gthread_objc_mutex_unlock): Similar
543 Reported by Stephen Brandon <stephen@brandonitconsulting.co.uk>.
545 2001-07-17 H.J. Lu <hjl@gnu.org>
546 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
548 * c-pragma.h (HANDLE_PRAGMA_WEAK): Define iff ASM_WEAKEN_LABEL and
549 ASM_OUTPUT_WEAK_ALIAS are defined.
550 * defaults.h (ASM_OUTPUT_WEAK_ALIAS): Define if possible.
551 * config/mips/iris6.h (ASM_OUTPUT_WEAK_ALIAS, ASM_WEAKEN_LABEL):
553 * config/mips/iris5.h: ... here.
554 (HANDLE_SYSV_PRAGMA): Defined as 1.
555 * varasm.c (weak_finish): Use ASM_OUTPUT_WEAK_ALIAS.
556 * doc/tm.texi (ASM_OUTPUT_WEAK_ALIAS): Support the undefined weak
559 2001-07-15 Richard Henderson <rth@redhat.com>
561 * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use CCmode
562 instead of COMPARE for the EQUIV expression.
564 2001-07-14 David Edelsohn <edelsohn@gnu.org>
566 * rs6000.c (reg_or_{add,sub}_cint64_operand): New predicates.
567 (add_operand): Compare CONST_INT with fewer function calls.
568 (print_operand, case 'p'): Ensure positive operand.
569 * rs6000.h (CONST_OK_FOR_LETTER_P, case 'N'): Ensure positive value.
570 (PREDICATE_CODES): Add new predicates.
571 * rs6000.md (addsi3): Split 32-bit constants more correctly.
572 (divsi3, modsi3): Ensure positive power-of-2.
573 (adddi3): Use new predicate. Split 32-bit constants more
574 correctly. Re-arrange splitter to handle any constant.
575 (subdi3): Use new predicate.
576 (divdi3, moddi3): Ensure positive power-of-2.
578 2001-07-13 Kazu Hirata <kazu@hxi.com>
580 * jump.c (reversed_comparison_code_parts): Fix comment typos.
582 2001-07-13 Marc Espie <espie@cvs.openbsd.org>
584 * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
585 correctly for shared configurations.
586 * config/t-libgcc-pic: New.
587 * config/{i386,m68k,sparc}/t-openbsd: New.
588 * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
589 Support -shared. Support debugging libraries with -g.
590 * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
591 frame information does not emit pointer diffs.
592 * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
595 2001-07-13 David Edelsohn <edelsohn@gnu.org>
597 * combine.c (try_combine): Ensure const_int pow2 is positive.
599 2001-07-11 Kazu Hirata <kazu@hxi.com>
601 * recog.c (validate_change): Fix a comment typo.
603 2001-07-11 Mark Mitchell <mark@codesourcery.com>
605 * stmt.c (parse_output_constraint): New function, split out
607 (expand_asm_operands): ... here. Use parse_output_constraint.
608 * tree.h (parse_output_constraint): Declare it.
610 2001-07-10 Kazu Hirata <kazu@hxi.com>
612 * calls.c (emit_library_call_value_1): Fix a comment typo.
613 * dwarf2out.c (mem_loc_descriptor): Likewise.
615 2001-07-09 Kazu Hirata <kazu@hxi.com>
617 * config/h8300/t-h8300 (LIB1ASMFUNCS): Add _floatdisf and _fixsfdi.
618 * config/mn10200/t-mn10200 (LIB1ASMFUNCS): Likewise.
620 2001-07-09 Joseph S. Myers <jsm28@cam.ac.uk>
622 * doc/c-tree.texi: Document representation of attributes.
624 2001-07-08 Joseph S. Myers <jsm28@cam.ac.uk>
626 * doc/tm.texi: Fix typo.
628 2001-07-07 Stephane Carrez <Stephane.Carrez@worldnet.fr>
630 * config/m68hc11/m68hc11.c (m68hc11_initial_elimination_offset):
631 Take into account m68hc11_sp_correction for FRAME_POINTER_REGNUM
633 * config/m68hc11/m68hc11.h (STARTING_FRAME_OFFSET): Use 0.
635 2001-07-06 Richard Henderson <rth@redhat.com>
637 * except.h (MUST_USE_SJLJ_EXCEPTIONS): Examine the value of
638 DWARF2_UNWIND_INFO not just whether it is defined.
640 2001-07-06 DJ Delorie <dj@redhat.com>
642 * doc/gcc.texi (Makefile): Rename to be a more general purpose
643 chapter about various build hints and history. Add section
644 talking about the various types of native and cross builds.
646 2001-07-05 David Edelsohn <edelsohn@gnu.org>
648 * doc/install.texi (Install GCC: Binaries): Fix typo.
650 2001-07-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
652 * config/m68hc11/m68hc11.md ("*ashlsi3"): Operand 1 can be a memory
653 reference using the stack pointer, adjust it since we push Y
655 ("*ashrsi3"): Likewise.
656 ("*lshrsi3"): Likewise.
658 2001-07-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
660 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Fix return address
661 when -fomit-frame-pointer is used.
663 2001-07-05 Brad Lucier <lucier@math.purdue.edu>
664 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
666 * doc/invoke.texi (Optimize Options): Document that -fgcse may
667 cause programs using computed gotos to run more slowly.
669 2001-07-04 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
671 * doc/install.texi (Specific): Markup, spelling and typo fixes.
673 Consistently require binutils 2.11.2, not prereleases.
674 (Specific, decstation-*): Canonicalize as mips-dec-*.
675 (Specific, i?86-*-sco3.2v5*): Remove make bootstrap requirement,
677 (Specific, m68k-altos): Removed reference to README.altos, deleted.
678 (Specific, mips-*): Reword MIPS C compiler requirements.
679 (Specific, powerpc*-*-*): New, mention --with-cpu once.
680 (Specific, sunv5): Removed, obsolete.
682 2001-07-04 Kazu Hirata <kazu@hxi.com>
684 * config/h8300/h8300.c (get_shift_alg): Remove an extra operand
687 2001-07-04 Joseph S. Myers <jsm28@cam.ac.uk>
689 * doc/include: New directory.
690 * doc/fdl.texi: Move to doc/include/fdl.texi.
691 * doc/texinfo.tex: Move to doc/include/texinfo.tex.
692 * doc/include/funding.texi, doc/include/gpl.texi: New files.
693 * doc/gcc.texi: Use funding.texi and gpl.texi.
694 * Makefile.in ($(docdir)/cpp.info, $(docdir)/gcc.info,
695 $(docdir)/cppinternals.info, cpp.dvi. gcc.dvi. cppinternals.dvi):
696 Update dependencies and use -I $(docdir)/include.
698 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
700 * doc/install.texi (sparc64-*-*): Remove garbage.
702 2001-07-04 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
704 * doc/install.texi (Specific): Update information for *-*-solaris*.
706 2001-07-03 Jan Hubicka <jh@suse.cz>
708 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
710 2001-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
712 * config/i386/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
713 Fixes PRs bootstrap/3067, bootstrap/3249, bootstrap/3275.
715 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
717 * doc/cppinternals.texi: Improve formatting and logical markup.
719 2001-07-03 Joseph S. Myers <jsm28@cam.ac.uk>
721 * doc/cppinternals.texi: Merge from mainline.
723 * doc/extend.texi, doc/gcc.texi, doc/invoke.texi, doc/md.texi,
724 doc/rtl.texi, doc/tm.texi: Improve formatting. Improve
725 documentation of -std and -Wwrite-strings.
726 * doc/cpp.1, doc/gcc.1: Regenerate.
728 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
730 * doc/install.texi: Various spelling and markup fixes.
731 (Installing GCC): Component specific installation instructions are
734 Warn about removing old install dir in the presence of shared libs.
735 (Configuration): Invoke with options target to match configure
737 Consistently refer to gas, gld pathnames.
738 Invert --enable-multilib documentation.
739 Remove references to old compiler versions.
741 2001-07-02 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
743 * doc/install.texi (Specific, mips*-sgi-irix4): Split from IRIX 5
745 (Specific, mips*-sgi-irix5): Note IDO download.
746 Reworded MIPS C hints.
747 Use GNU as instead of GAS.
749 Removed SGI Freeware reference, IRIX 6 only.
750 (Specific, mips*-sgi-irix6): Removed ranlib caveats, obsolete.
751 Note N64 library requirement/workaround.
753 Complete list of structure passing bug victims.
755 2001-07-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
757 * doc/install.texi: Remove CVS Id.
759 2001-07-01 Mark Mitchell <mark@codesourcery.com>
761 * expr.c (expand_expr, case ARRAY_REF): Correct check for
762 side-effects in the value of an array element.
764 2001-06-29 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
766 * objc/objc-act.c (handle_class_ref): Always place decl in
768 (handle_impent): Always place decl in readonly data section.
769 Fixes PRs libobjc/917, libobjc/3237, bootstrap/3251.
771 2001-06-29 Alan Modra <amodra@bigpond.net.au>
773 * recog.c (validate_replace_rtx_1): Exit early if nothing changed
774 in args of commutative of comparison operations.
776 2001-06-28 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
778 * gthr-posix.h [LIBOBJC]: Add weak definitions of
779 sched_get_priority_max, sched_get_priority_min.
781 Thu Jun 28 11:32:24 CEST 2001 Jan Hubicka <jh@suse.cz>
783 * i386.c (x86_use_loop): Disable for K6 temporarily.
785 2001-06-27 Bruce Korb <bkorb@gnu.org>
787 * fixinc/inclhack.def(hpux11_cpp_pow_inline): new, but real similar to
788 hpux10_cpp_pow_inline. Not similar enough.
789 (solaris_mutex_init): renamed. PTHREAD_*_INITIALIZER is a problem for
790 all Solaris versions. This fix patches MUTEX and COND initializers,
791 the RWLOCK one will wait for someone to complain. For now, anyway.
792 (uw7_byteorder_fix): It was looking for the byteorder.h file in the
795 Thu Jun 28 00:31:24 2001 Denis Chertykov <denisc@overta.ru>
797 * config/avr/avr.md (strlenhi): PARALLEL keyword removed.
798 * config/avr/avr.c (legitimate_address_p): Return value changed
799 from letter to register classes. For better debugging.
801 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
803 * doc/c-tree.texi, doc/contrib.texi, doc/cpp.texi,
804 doc/cppinternals.texi, doc/extend.texi, doc/gcc.texi,
805 doc/gcov.texi, doc/install-old.texi, doc/install.texi,
806 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Replace
807 . at end of sentences preceded by a capital letter with @..
809 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
811 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
812 (emit_block_move): Likewise.
814 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
816 * doc/cpp.texi, doc/cppinternals.texi, doc/extend.texi,
817 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
818 doc/tm.texi: Use @: where necessary when a full stop does not end
821 2001-06-27 Joseph S. Myers <jsm28@cam.ac.uk>
823 * doc/gcc.texi, doc/install.texi, doc/invoke.texi: Remove trailing
826 2001-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
828 * doc/c-tree.texi, doc/cpp.texi, doc/extend.texi, doc/gcc.texi,
829 doc/install.texi, doc/invoke.texi, doc/objc.texi, doc/rtl.texi,
830 doc/tm.texi: Use two spaces after ends of sentences.
832 2001-06-26 Daniel Berlin <dan@cgsoftware.com>
834 * toplev.c (display_help): Fix param thinko.
835 * Makefile.in: Fix params.h dependencies.
837 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
839 * config/i386/sol2.h (CPP_SPEC): Pass -P for .S files.
841 2001-06-26 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
843 * config/mips/iris5.h (UNALIGNED_INT_ASM_OP,
844 UNALIGNED_SHORT_ASM_OP): Define.
845 * config/mips/iris6.h (UNALIGNED_INT_ASM_OP,
846 UNALIGNED_SHORT_ASM_OP): Undef.
848 2001-06-26 Aldy Hernandez <aldyh@redhat.com>
850 * config/sh/sh.md (interrupt_function): Use
851 current_function_interrupt.
852 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
853 an interrupt function.
855 * config/sh/sh.h (current_function_interrupt): Define extern.
857 * config/sh/sh.c (current_function_interrupt): New global.
858 (sh_expand_prologue): Set current_function_interrupt.
860 2001-06-25 Neil Booth <neil@daikokuya.demon.co.uk>
862 * cppmacro.c (make_string_token): Null terminate.
863 * doc/cpp.texi: Update.
864 * doc/cpp.1: Regenerate.
866 2001-06-25 Joseph S. Myers <jsm28@cam.ac.uk>
868 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
869 doc/gcc.texi, doc/gcov.texi, doc/install.texi, doc/invoke.texi,
870 doc/md.texi, doc/rtl.texi, doc/tm.texi: Be more consistent about
871 the use of "GCC" and related terms.
872 * doc/gcc.1, doc/gcov.1: Regenerate.
874 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
876 * doc/extend.texi, doc/gcc.texi, doc/install-old.texi,
877 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Remove
880 2001-06-24 Joseph S. Myers <jsm28@cam.ac.uk>
882 * doc/install-old.texi: Remove more documentation of configure
884 * doc/install.texi: Add it here.
886 2001-06-23 Joseph S. Myers <jsm28@cam.ac.uk>
888 * doc/install.texi: Merge from mainline:
889 2001-06-21 Phil Edwards <pme@sources.redhat.com>
890 * doc/install.texi: Add 'c' to list of --enable-languages choices.
891 2001-06-21 Stan Shebs <shebs@apple.com>
892 * doc/install.texi: Use the correct name "Objective-C" everywhere
893 instead of "Objective C".
894 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
895 * doc/install.texi: Use correct markup hints.
896 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
897 * doc/install.texi: Update --enable-threads to match reality.
899 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
901 * doc/gcc.texi: Update documentation of source files of C
904 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
906 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
907 instead of const1_rtx for true case.
909 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
911 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
912 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
913 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
914 "back end" as nouns and "front-end" and "back-end" as adjectives.
916 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
918 * config/v850/v850.c (v850_mark_machine_status): Don't mark the
919 p->machine->ra_rtx for GC if p->machine has already been
922 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
924 * c-common.c (verify_tree): Check for x being NULL.
925 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
929 2001-06-21 Geoff Keating <geoffk@redhat.com>
931 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
933 (minsf3): Use rs6000_emit_minmax.
934 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
936 (movsfcc): Use rs6000_emit_cmove.
937 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
938 Don't generate emit_fselsfsf4.
939 (fseldfsf4): Likewise.
940 (maxdf3): Use rs6000_emit_minmax.
942 (mindf3): Use rs6000_emit_minmax.
943 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
945 (movdfcc): Use rs6000_emit_cmove.
946 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
947 Don't generate emit_fselsfsf4.
948 (fselsfdf4): Likewise.
949 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
950 (min_max_operator): New predicate.
951 (rs6000_emit_cmove): New function.
952 (rs6000_emit_minmax): New function.
953 * config/rs6000/rs6000-protos.h: Prototype new functions.
954 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
955 and min_max_operator.
957 * config/rs6000/rs6000.c (output_cbranch): Handle all
958 conditional types in the switch statement.
960 20010617 Release Manager
964 2001-06-15 Andreas Jaeger <aj@suse.de>
966 * doc/install.texi (Specific): Mention that glibc cannot be
967 compiled with GCC 3.0.
969 2001-06-15 Zack Weinberg <zackw@stanford.edu>
971 * doc/cpp.texi: Formatting corrections.
972 Correct buggy example of use of __GNUC__ etc.
973 Clarify $ in identifiers.
974 * doc/cpp.1: Regenerate.
976 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
978 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
980 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
981 Added Tru64 UNIX V5.1 bootstrap hints.
982 (Specific, alpha*-*-osf*): Removed old section, obsolete.
984 2001-06-15 Zack Weinberg <zackw@stanford.edu>
986 * doc/cpp.texi: Revised and brought up to date.
987 * doc/cpp.1: Regenerate.
989 2001-06-14 Bruce Korb <bkorb@gnu.org>
991 * fixinc/inclhack.def(hpux10_cpp_pow_inline): add a phoney file for
993 * fixinc/fixincl.x: regenerate with the phoney file
994 * fixinc/tests/base/fixinc-test-limits.h: Add new test results
996 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
998 * doc/install.texi: Update for C4x.
999 * README.C4X: Remove.
1001 2001-06-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1003 * objc-act.c (handle_class_ref): Put the class reference in the
1004 variable section for hpux only.
1005 (handle_impent): Put the objc class and category name labels in
1006 the readonly data section for hpux only.
1008 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1010 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1011 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
1012 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
1013 Consistently use "built-in" and "bit-field". Minor logical markup
1015 * doc/gcc.1: Regenerate.
1017 2001-06-14 Richard Henderson <rth@redhat.com>
1019 * config/mips/mips.h (ASM_OUTPUT_ASCII): Rename local variables
1020 to avoid shadowing parameters.
1022 * config/mips/mips.md (exception_receiver): New.
1024 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
1026 * doc/gcc.texi: Update passes documentation to be more in tune
1029 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
1031 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
1032 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
1033 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
1034 logical markup. Use TeX quotes and dashes. Use @dots{} and
1035 @minus{}. Avoid spaces inside @var. Update last modification
1037 * doc/gcc.1, doc/gcov.1: Regenerate.
1039 2001-06-14 John David Anglin <dave@hiauly1.hia.nrc.ca>
1041 * fixinc/inclhack.def (hpux10_cpp_pow_inline): New hack.
1042 * fixinc/fixincl.x: Rebuilt.
1044 2001-06-13 Richard Henderson <rth@redhat.com>
1046 * ifcvt.c (dead_or_predicable): Fix return value last patch.
1048 2001-06-13 Philip Blundell <philb@gnu.org>
1050 * config/arm/arm.c (add_minipool_backward_ref): Check that the
1051 entire object will be reachable in the constant pool.
1053 2001-06-13 Mark Mitchell <mark@codesourcery.com>
1057 2001-06-13 Richard Henderson <rth@redhat.com>
1059 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
1060 (cond_exec_process_if_block, dead_or_predicable): Likewise.
1062 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1064 * mips-tfile.c (copy_object): Always pass indexNil for symbol
1067 2001-06-13 Kazu Hirata <kazu@hxi.com>
1069 * config/h8300/h8300.h (OK_FOR_T): Remove.
1070 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
1071 * config/h8300/h8300.md: Remove alternatives involving inc and dec
1072 in the helper patterns for addhi3 and addsi3.
1074 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
1076 * gthr-dce.h (UNUSED): Attribute unused macro.
1077 (__GTHREAD_MUTEX_INIT_FUNCTION and __GTHREAD_MUTEX_INIT_DEFAULT): New
1078 macros for mutex initialization.
1079 (__gthread_key_dtor): Make arguments UNUSED.
1080 (__gthread_key_delete): Unsupported. Argument UNUSED.
1081 (__gthread_mutex_init_function): New function for mutex initialization.
1083 2001-06-13 Phil Edwards <pme@sources.redhat.com>
1085 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
1087 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1089 * doc/install.texi: Use more logical markup. Include @node
1090 commands in the source when generating any non-HTML.
1092 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1094 * README: Remove. Some of the contents moved to ../README.
1096 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1098 * doc/install.texi (--enable-shared): List package names
1101 2001-06-13 Richard Earnshaw (rearnsha@arm.com)
1103 * arm.c (arm_reload_in_hi): Handle the scratch operand overlapping
1104 with the output operand.
1106 2001-06-12 Zack Weinberg <zackw@stanford.edu>
1108 * Makefile.in: Move _bb and __gcc_bcmp from LIB2FUNCS to
1110 * libgcc-std.ver: Don't export __bb* or __gcc_bcmp.
1111 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
1112 config/alpha/t-osf4, config/mips/t-iris6: Bump libgcc soname
1115 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
1117 * doc/texinfo.texi: Copied from mainline.
1119 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
1120 (*-*-solaris*): Document problem in /bin/sh that affects
1121 configuring libraries.
1122 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
1123 (*-sun-solaris2.8): Document linker problem that explains why
1124 libjava is disabled by default.
1126 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1129 * toplev.c (rest_of_compilation): Remove dead code before
1132 2001-06-12 Jim Wilson <wilson@redhat.com>
1134 * loop.c (strength_reduce): Move bl->all_reduced set before
1135 check_ext_dependant_givs call.
1136 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
1138 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
1141 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1142 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1143 * configure: Rebuilt.
1145 * doc/extend.texi (Function Attributes): Document SH's sp_switch
1148 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
1150 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
1153 2001-06-12 Zack Weinberg <zackw@stanford.edu>
1155 * configure.in (ALL_LINGUAS): Set to nothing.
1156 * configure: Regenerate.
1158 2001-06-12 Richard Henderson <rth@redhat.com>
1160 * config/i386/i386.c (ix86_expand_prologue): Always use
1161 gen_pro_epilogue_adjust_stack; update arguments.
1162 (ix86_emit_epilogue_esp_adjustment): Likewise.
1163 (ix86_expand_epilogue): Likewise.
1164 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
1165 clobber of scratch memory instead of a modification of EBP as the
1166 barrier. Update all peepholes to match.
1168 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1170 * doc/gcc.texi: Change the font used for @def... commands to a
1172 * doc/extend.texi: Use more logical markup. Use "built-in"
1173 instead of "builtin". Use @deftypefn to mark up built-in
1174 functions; specify their types in the @deftypefn and not in the
1175 descriptive text. Use TeX quotes and dashes. Add more index
1178 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1180 * doc/install.texi (--exec-prefix, --bindir, --libdir,
1181 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
1183 (--enable-cpp): Change to document --disable-cpp instead; update
1184 to reflect current default.
1185 (--without-fast-fixincludes): Remove documentation.
1186 (Final install): Document installation directories in more
1187 detail. Document use of make dvi.
1189 2001-06-12 lars brinkhoff <lars@nocrew.org>
1191 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
1192 (DIR_SEPARATOR_2): Likewise.
1194 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1196 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
1198 * c-typeck.c (c_start_case): Likewise.
1200 2001-06-12 Mark Mitchell <mark@codesourcery.com>
1202 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
1203 in a structure at a variable address.
1205 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
1207 * doc/gcov.texi: Use more logical markup.
1209 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1211 * config/m68hc11/m68hc11.c: Remove ifdef'ed gcc-2.95 code.
1212 (m68hc11_reorg): Remove the gcc-2.95 compatible code.
1213 (m68hc11_split_all_insns): Likewise, delete.
1214 * config/m68hc11/m68hc11.h: Remove ifdef'ed gcc-2.95 code.
1215 * config/m68hc11/m68hc11-protos.h: Likewise.
1217 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1219 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
1220 as an early clobber to make sure it is not used by reload in
1221 one of the operands.
1223 2001-06-11 Mark Mitchell <mark@codesourcery.com>
1225 * toplev.c (lang_independent_f_options): Remove
1226 -feliminate-dwarf2-dups, -fbounded-pointers, and -fbounds-check.
1227 * doc/c-tree.texi: Update information about flag_honor_std.
1228 * doc/install.texi: Note that binutils is required on HPUX 11.
1229 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
1232 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
1233 variable-sized types.
1235 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1237 * doc/md.texi: Use TeX dashes and quotes.
1239 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1241 * doc/rtl.texi: Reference manual chapter about trees.
1243 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1245 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
1246 (WINT_TYPE): Override.
1247 (WINT_TYPE_SIZE): Likewise.
1248 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
1250 * config/sparc/sol2.h (WINT_TYPE): Define.
1251 (WINT_TYPE_SIZE): Likewise.
1253 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
1254 (WINT_TYPE): Override.
1255 (WINT_TYPE_SIZE): Likewise.
1256 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
1257 (CPP_ARCH64_SPEC): Likewise.
1259 2001-06-11 Richard Henderson <rth@redhat.com>
1261 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
1262 with alias attribute.
1264 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
1265 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
1267 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1269 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
1271 2001-06-11 Richard Henderson <rth@redhat.com>
1273 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
1274 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
1275 (struct machine_function): Add gp_save_rtx.
1276 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
1277 (alpha_gp_save_rtx): New.
1278 * config/alpha/alpha-protos.h: Declare it.
1279 * config/alpha/alpha.md (exception_receiver): Make an expander.
1280 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
1282 2001-06-11 Richard Henderson <rth@redhat.com>
1284 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
1286 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1288 * configure.in: Align --help messages.
1289 Remove trailing full stops.
1290 Consistently use lower case.
1291 Fix DWARF 2 spelling.
1292 * configure: Rebuilt.
1294 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1296 * c-decl.c (store_parm_decls): When comparing types in an
1297 old-style function declaration with those from a previous
1298 prototype, compare the unqualified versions of parameter types.
1301 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1303 * doc/objc.texi: Use more logical markup. Use TeX dashes.
1305 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1307 * doc/c-tree.texi: Use more logical markup.
1309 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1311 * doc/install.texi: Update details of what components are included
1312 in the GCC distribution. Update default directory for g++
1313 includes. Update documentation relating to old libio. Adjust
1314 documentation on DejaGnu environment variables. Remove
1315 documentation of --enable-cpplib.
1317 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
1319 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
1322 2001-06-10 Richard Henderson <rth@redhat.com>
1324 * ifcvt.c (life_data_ok): New.
1325 (merge_if_block): Use it to determine whether to update
1327 (if_convert): Set it.
1329 2001-06-10 Richard Henderson <rth@redhat.com>
1331 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
1333 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
1335 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
1336 (SH Options): Document -mieee.
1337 * doc/install.texi (Final install): Remove obsolete information
1338 about installing cross compilers.
1339 * doc/gcc.1: Rebuilt.
1341 2001-06-10 Richard Henderson <rth@redhat.com>
1343 * config/alpha/alpha.c (override_options): Set align_loops,
1344 align_jumps, and align_functions.
1345 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
1346 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
1348 2001-06-10 Richard Henderson <rth@redhat.com>
1350 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
1351 (Code Generation Options): Document -fnon-call-exceptions.
1353 2001-06-10 Mark Kettenis <kettenis@gnu.org>
1355 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
1357 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1359 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
1361 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1363 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
1364 prefer a memory for operand 1.
1365 ("*addsi3"): Fix constraints, the '!' was too strong.
1366 ("*addsi3_split"): Accept soft register and split accordingly.
1368 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1370 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1371 Move definition in the RTX_CODE section.
1373 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1375 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
1376 address as relative to the argument pointer.
1378 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1380 * doc/invoke.texi (C Dialect Options): Document -aux-info.
1381 (Debugging Options): Document -print-multi-directory and
1383 * doc/gcc.1: Rebuilt.
1385 * toplev.c (independent_decode_option): Require `=' between
1386 `-aux-info' and filename in the same argument.
1387 * gcc.c: Don't pass -aux-info=filename twice.
1389 2001-06-10 Neil Booth <neil@daikokuya.demon.co.uk>
1391 * cppinit.c (print_help): Document -fpreprocessed.
1392 * invoke.texi: Similarly.
1394 2001-06-09 Mark Mitchell <mark@codesourcery.com>
1396 * expr.c (expand_expr, case ARRAY_REF): Do not replace
1397 an array element with the known initializing value if it has
1400 * toplev.c (rest_of_compilation): Remove dead code before
1403 2001-06-09 Richard Henderson <rth@redhat.com>
1405 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
1406 * calls.c: ... here.
1407 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
1408 defaults for them here.
1410 2001-06-09 Peter Jakubek <pjak@snafu.de>
1412 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1414 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1416 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1417 more index entries. Use more logical markup where appropriate.
1418 Use TeX quotes and dashes.
1420 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1422 * gthr-posix.h (__gthread_objc_init_thread_system): If
1423 pthread_key_create fails, it's not clear what the return value is.
1424 This obvious fix makes sure it always returns -1 if a problem
1427 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1429 * unwind-pe.h: Conditionally qualify references to abort with
1432 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1434 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1435 for integer operations that don't update C bit.
1437 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1439 * invoke.texi: Remove superfluous text.
1441 2001-06-08 Richard Henderson <rth@redhat.com>
1443 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1444 (LIB_SPEC): Mirror config/linux.h version.
1446 2001-06-08 Richard Henderson <rth@redhat.com>
1448 2001-03-29 Richard Henderson <rth@redhat.com>
1449 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1451 2001-06-08 Richard Henderson <rth@redhat.com>
1453 * except.c (get_exception_pointer, get_exception_filter): Take a
1454 struct function. Update all callers.
1455 * except.h (get_exception_pointer): Update declaration.
1456 * expr.c (expand_expr): Update get_exception_pointer call.
1457 * integrate.c (expand_inline_function): Remap the exception pointer
1458 from callee to caller.
1460 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1462 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1463 accurately reflect its cv-qualification.
1464 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1465 cv-qualifiers on function types.
1467 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1469 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1470 from config/elfos.h.
1472 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1474 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1475 options. Use @opindex to index them rather than other indexing
1476 commands. Use @var{...} instead of <...>. Avoid spaces in names
1477 inside @var. Don't use @kindex to index escape sequences in
1480 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1482 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1484 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1486 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1487 for complex floats passed to unprototyped functions.
1489 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1491 * jump.c (mark_modified_reg): Allow jump threading if condition
1492 codes are represented by a hard register.
1494 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1496 * config/ia64/ia64.h (CC1_SPEC): Define.
1497 * config/ia64/linux.h (CC1_SPEC): Define.
1499 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1501 * tradcpp.c (do_define): Make sure we don't walk past limit.
1503 2001-06-08 Jakub Jelinek <jakub@redhat.com
1505 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1507 * doc/cpp.texi (__NO_INLINE): Document it.
1509 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1511 * except.c (expand_eh_region_end_allowed): Call
1512 do_pending_stack_adjust as necessary.
1514 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1516 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1518 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1520 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1521 (DECL_SOURCE_LINE): Likewise.
1523 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1525 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1526 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1528 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1530 * doc/contrib.texi: Add copyright notice.
1532 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1534 * doc/md.texi: Use four digit years in copyright notice.
1536 2001-06-07 DJ Delorie <dj@redhat.com>
1538 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1539 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1540 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1541 gcov.1: Move to doc subdirectory.
1542 * install.texi: Move to doc/install-old.texi.
1543 * gcc.texi: Move to doc, refer to install-old.texi.
1544 * Makefile.in: Reflect move of docs to doc/.
1545 * f/Make-lang.in: Ditto.
1546 * java/Make-lang.in: Ditto.
1547 * doc/.cvsignore: New.
1549 2001-06-07 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1551 * c-tree.texi: Reformat the manual as a single chapter now
1552 included by gcc.texi.
1553 * gcc.texi: Include c-tree.texi. Merge all indexes.
1554 * Makefile.in (dvi): Add generation for the cppinternals
1555 documentation. Added dependencies on fdl.texi and c-tree.texi
1556 where appropriate. Use TEXI2DVI instead of custom tex calls.
1557 (info): Added dependencies on fdl.texi and c-tree.texi where
1558 appropriate. Remove the target c-tree.info.
1560 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1564 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1566 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1567 pthread_t to objc_thread_t.
1568 (__gthread_objc_thread_id): Likewise.
1570 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1572 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1573 (ASM_OLDAS_SPEC): Likewise.
1575 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1576 (CPP_SUBTARGET_SPEC): Use it.
1577 (ASM_OLDAS_SPEC): Define.
1579 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1581 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1583 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1584 passed by reference.
1586 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1588 * tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1589 Document use of N_(...), and show it in examples. Note that
1590 documentation should be added to invoke.texi. Avoid an overfull
1593 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1595 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1598 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1600 * install.texi: Remove more obsolete documentation.
1602 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1604 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1605 * configure: Rebuilt.
1607 2001-06-06 Richard Henderson <rth@redhat.com>
1609 * flow.c (mark_used_reg): Clean up looping over multiple hard
1610 registers. Do conditional life bits across multiple hard regs.
1612 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1614 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1615 deleted during reload.
1617 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1619 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1620 functions here, instead of ...
1621 * c-decl.c (c_expand_body): ... here.
1623 2001-06-05 Richard Henderson <rth@redhat.com>
1625 * dwarf2.h (DW_EH_PE_aligned): New.
1626 * dwarf2asm.c (eh_data_format_name): Name it.
1627 (dw2_asm_output_encoded_addr_rtx): Align for it.
1628 * dwarf2out.c (output_call_frame_info): Handle it for personality
1629 routine and LSDA pointers.
1631 * unwind-pe.h (DW_EH_PE_aligned): New.
1632 (base_of_encoded_value): Handle it.
1633 (read_encoded_value_with_base): Likewise.
1634 * unwind-dw2-fde.c (base_from_object): Likewise.
1635 (get_cie_encoding): Likewise.
1637 * config/alpha/elf.h: Remove ecoff commentary.
1638 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1640 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1642 * print-rtl.c (xspaces): Remove.
1643 (print_rtx): Use printf field-width, rather than xpsaces, to
1645 * toplev.c (main): Disable sibling-call optimization if we are
1646 handling exceptions.
1648 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1650 * reload1.c (reload): Delete all USEs generated during reload.
1652 Tue Jun 5 21:08:39 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1654 * config.gcc (i?86-*-solaris2*): Enable shared libgcc.
1656 2001-06-05 Phil Edwards <pme@sources.redhat.com>
1658 * gccbug.in: Remove high priority.
1660 2001-06-05 scott snyder <snyder@fnal.gov>
1662 * gccbug.in: Fix typo.
1664 2001-06-05 David Edelsohn <edelsohn@gnu.org>
1666 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
1667 __WCHAR_TYPE__ definition.
1668 (WCHAR_TYPE_SIZE): #undef before #define.
1670 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1672 * c-common.h (flag_dump_translation_unit): Remove.
1673 (enum tree_dump_index): Define.
1674 (TDF_ADDRESS, TDF_SLIM): New #defines.
1675 (dump_node_to_file): Remove.
1676 (dump_node): Make extern. Add flags.
1677 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1678 dump_switch_p): Prototype.
1679 * c-common.c (flag_dump_translation_unit): Remove.
1680 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1681 logic. Use dump_switch_p.
1682 * c-dump.h (struct dump_info): Add node and user fields.
1683 (dump_pointer): Declare.
1684 * c-dump.c (dump_node): Make extern. Add flags.
1685 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1686 (dump_new_line, dump_maybe_newline): Use them.
1687 (dump_pointer): New function.
1688 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1689 chain or function's body. Dump address, if TDF_ADDRESS set.
1690 (dump_flag): Define.
1691 (dump_node_to_file): Remove.
1692 (struct dump_file_info): New struct.
1693 (dump_files): New array.
1694 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1695 * c-lang.c (finish_file): Adjust dumping.
1696 * toplev.h (dump_base_name): Make extern.
1697 * invoke.texi: Document new flags.
1699 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1701 * c-tree.h (lang_decl): Add pending_sizes fields.
1702 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1704 (c_expand_body): Expand them.
1705 (lang_mark_tree): Mark lang_decl:pending_sizes.
1706 * function.c (expand_pending_sizes): New function, broken out
1708 (expand_function_start): ... here.
1709 * tree.h (expand_pending_sizes): Declare it.
1711 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1713 * doc/install.texi: Update FreeBSD information. Generalize
1714 and update information for alpha-based platforms using ELF.
1716 2001-06-04 Richard Henderson <rth@redhat.com>
1718 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1719 optimization if current_function_calls_setjmp.
1721 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1723 * c-tree.texi: Fix documentation of TREE_STRING_LENGTH for wide
1726 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1728 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1729 (store_parm_decls): Likewise.
1730 * c-typeck.c (convert_arguments): Likewise.
1732 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1734 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1735 mark_constant_pool_use before output_addr_const.
1736 (struct pool_node): New field wend.
1737 (add_constant): Note a sequence of constants that are referenced
1739 (pool_window_label, pool_window_last): New variables.
1740 (dump_table): Emit a unspec_volatile representing the end of a
1741 sequence of constants.
1742 (mark_constant_pool_use): New function.
1743 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1744 (consttable_2): Add the second operand which flags whether
1745 this consttable entry was used or not.
1746 (consttable_4, consttable_8, consttable_sf, consttable_df):
1748 (consttable_window_end): New insn.
1750 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1753 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1754 (shl_and_kind): Cast wide constant.
1755 (gen_far_branch): Define as static, as in declaration.
1756 (barrier_align): Compute cache-line length as unsigned. Add
1757 parentheses in initial credit computation.
1758 (rounded_frame_size): Add parentheses.
1759 (permanent_obstack): Remove declaration. Include ggc.h for
1760 declaration of ggc_add_root_rtx().
1761 (get_free_reg): Removed declaration of unused variable reg.
1762 (legitimize_pic_address): Mark mode argument as unused.
1764 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1766 * config/sh/sh.c (output_branch): Support for insn with lenght
1767 attr 12 & 16 which represents cond branches outside +-4096 range.
1769 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1771 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1772 cache-mirroring sequence. Add nops.
1774 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1776 * install.texi: Remove more old installation documentation.
1777 * doc/install.texi: Add relevant parts here.
1779 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1781 * doc/install.texi2html: New script.
1783 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1785 * doc/install.texi: Update AIX information again.
1787 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1789 * gcc.texi, install.texi: Remove old system-specific installation
1791 * doc/install.texi: Move it to here.
1793 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1795 * doc/install.texi: Clean up Texinfo markup.
1797 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1799 * cpp.texi, cppinternals.texi, gcc.texi: Move contents to just
1802 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1804 * install.texi: Remove documentation of some configuration
1806 * doc/install.texi: Add relevant parts of this documentation here.
1808 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1810 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1811 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1813 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1815 * install.texi: Remove libgcc1 documentation.
1816 * gcc.texi: Remove link to Cross Runtime.
1818 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1820 * invoke.texi: Remove references to papers about sequence points to
1821 readings.html, refer to that page.
1823 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1825 * README: Update references to installation instructions.
1827 2001-06-01 Laurent Guerby <guerby@acm.org>
1828 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1830 * doc/install.texi: Define srcdir when sources come from CVS.
1831 Significantly improve markup. Wrap overly long lines.
1833 2001-05-31 Richard Henderson <rth@redhat.com>
1835 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1836 also link against libgcc.a.
1838 Thu May 31 19:17:01 CEST 2001 Jan Hubicka <jh@suse.cz>
1840 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1842 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1844 * install.texi (Configuration): Add html links for --with-gnu-as &
1845 --with-gnu-ld and refer to them from hppa & SCO triplets.
1846 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1847 (Specific): Reword AVR binutils recommendation.
1849 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1851 * extend.texi: Fix formating of examples, eliminate some
1853 * gcc.texi: Eliminate some 'overfull hboxes'.
1854 * invoke.texi: Use two spaces between command options, eliminate
1855 some 'overfull hboxes'.
1857 2001-05-30 Richard Henderson <rth@redhat.com>
1859 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1861 2001-05-30 Tom Tromey <tromey@redhat.com>
1863 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1864 use it in the new association.
1866 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1867 David O'Brien <obrien@freebsd.org>
1869 FreeBSD system configuration merged from mainline.
1871 * config.gcc (the unlabeled system switch statement): Add
1872 generic configuration section to handle *-*-freebsd*. Also,
1873 to match the system compiler, default to threading support (it
1874 may be disabled with the standard --disable-threads
1875 configuration-time switch). Report bad configuration.
1876 (i[34567]86-*-freebsd* in machine-specific section): Use it.
1877 (alpha*-*-freebsd* in machine-specific section): Likewise.
1879 * config/freebsd.h (LIB_SPEC): Key the exact setting to
1880 configure-time options and target version of FreeBSD. Set-up
1881 to match architectural change in threading support. Correctly
1882 report when -pthread option is not supported by configure-time
1884 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
1885 and extend to encode target version number in run-time setting
1886 of __FreeBSD__ macro to match the system compiler. Use #endif/#if pair
1887 instead of #elif (which is OK for this case but not in general).
1888 (CPP_PREDEFINES): Likewise.
1889 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
1891 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
1892 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
1894 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
1895 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
1896 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
1897 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
1898 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
1900 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
1901 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
1902 -pthread instead setting macro.
1904 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1905 John David Anglin <dave@hiauly1.hia.nrc.ca>
1907 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1908 to target type to allow ISO C++ compiler to accept it.
1909 * gthr-dce.h (__gthread_active_ptr): Likewise.
1910 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1912 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1914 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1915 so that we do accept comments in preprocessed input.
1917 2000-05-30 Kelley Cook <kelley.cook@home.com>
1919 * config/i386/i386.h (TARGET_SWITCHES): Remove -mmmx and -msse options.
1921 2001-05-30 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1923 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
1924 of just copying CPP_CPU_SPEC.
1926 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1928 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1930 2001-05-30 Hans-Peter Nilsson <hp@axis.com>
1932 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1933 (DRIVER_DEFINES): Ditto.
1935 2001-05-29 Stan Shebs <shebs@apple.com>
1937 * gcc.texi: Add links for information about Objective-C.
1939 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1941 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1943 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1945 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1946 /bin/sed fails on [^\"]).
1947 (configargs.h): Likewise.
1948 * configure: Rebuilt.
1950 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1952 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1953 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1954 Remove trailing whitespace.
1956 2001-05-28 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1958 * c-common.c (c_common_nodes_and_builtins): Change __builtin_fsqrt
1960 * extend.texi (Other Builtins): Update documentation about
1963 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1965 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1966 became http://freeware.sgi.com/.
1968 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1970 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1972 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1974 * cpplib.c (run_directive): Set pfile->directive.
1976 2001-05-27 Nathan Sidwell <nathan@codesourcery.com>
1978 * lists.c (init_EXPR_INSN_LIST_cache): Only called once.
1979 * toplev.c (rest_of_compilation): Don't call it here.
1980 (compile_file): Call it here.
1982 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1984 * combine.c (try_combine): Fix typo in comment.
1985 * expr.c (expand_expr): Likewise.
1986 * config/i370/i370.md (untyped_call): Likewise.
1988 2001-05-26 Bruce Korb <bkorb@gnu.org>
1990 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1991 when fixincl is operating in test mode
1992 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1993 (AAB_ultrix_limits): remove redundant text
1994 (AAB_ultrix_memory): ditto
1995 (AAB_ultrix_string): ditto
1996 (djgpp_wchar_h): fix the test text
1997 (irix_stdio_va_list): add test text
1998 (irix_limits_const): add a testing output file (limits.h is overwritten)
1999 (strict_ansi_not_ctd): put limits.h second in list for same reason
2000 (solaris27_mutex_init): test text needed selection text, too
2002 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
2003 when fixincl is operating in test mode
2005 2001-05-25 Zack Weinberg <zackw@stanford.edu>
2007 * toplev.c (debug_args, f_options, W_options): Mark
2008 descriptions for translation.
2009 (display_help): Translate descriptions on output.
2011 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
2012 objc/lang-options.h: Mark descriptions for translation.
2014 * aclocal.m4: Quote final argument of patsubst. Use
2015 3-argument form of AC_DEFINE. Restore quotes to [] while
2017 * configure, config.in: Regenerate.
2019 2001-05-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2021 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Remove MODE argument.
2023 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
2025 * config/arc/initfini.c (.init): Fix typo.
2027 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2029 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
2031 2001-05-25 Richard Henderson <rth@redhat.com>
2033 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
2034 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
2035 (sparc*-*-solaris2): Likewise.
2036 * config/t-linux: Remove shared libgcc macros.
2037 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
2038 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
2040 2001-05-25 Richard Henderson <rth@redhat.com>
2042 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
2044 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2046 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
2047 strict_ansi_only): Don't run if stdc_0_in_system_headers.
2048 * fixinc/fixincl.x: Regenerate.
2049 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
2050 (FIX_TEST_TABLE): Declare it.
2051 * fixinc/fixlib.h: Include config.h.
2053 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2055 * fixinc/inclhack.def (alpha___assert): Change char * args to
2056 const char * on Tru64 UNIX to avoid excessive warnings from
2058 * fixinc/fixincl.x: Regenerate.
2060 2001-05-25 David Edelsohn <edelsohn@gnu.org>
2062 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
2064 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
2067 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2069 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2070 instead of rtx_equal_p for early clobber test.
2072 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2074 * aclocal.m4: Fixed typo.
2075 (gcc_AC_HEADER_STDBOOL): Define.
2076 (gcc_AC_C__BOOL): Define.
2077 * configure.in: Use them.
2078 (AC_CHECK_HEADERS): Remove stdbool.h
2079 * configure, config.in: Regenerate.
2081 2001-05-25 Richard Henderson <rth@redhat.com>
2083 * config/i386/i386.md: Revert previous change. Do not apply
2084 the peephole if the components do not die after the sequence.
2086 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2088 * config/i386/i386.md: Make sure cmpstr peepholes do not
2089 affect liveness information.
2091 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2093 * c-typeck.c (digest_init): Issue error messages about
2094 invalid constants, not warnings.
2096 * invoke.texi (-fno-builtin): Document that this is always on
2099 2001-05-24 Philip Blundell <philb@gnu.org>
2101 * config/arm/arm.c (output_return_instruction): Correctly handle
2102 interworking and interrupt functions.
2104 2001-05-24 Philip Blundell <philb@gnu.org>
2106 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2107 -m{no-}sched-prolog. Fix typos and improve formatting.
2109 2001-05-24 Philip Blundell <philb@gnu.org>
2111 * invoke.texi (ARM Options): Improve wording slightly. Add
2112 documentation for more options, including those for Thumb mode.
2113 Don't mention options that don't exist or are unimplemented.
2114 (Thumb Options): Delete; merged into above section.
2116 2001-05-24 Geoff Keating <geoffk@redhat.com>
2118 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2119 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2121 2001-05-23 Richard Henderson <rth@redhat.com>
2123 * doc/install.texi (alpha-linux): Require binutils 2.11.
2125 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2127 * extend.texi (Attribute Syntax): Clarify application of
2128 attributes to parameters declared as functions or arrays.
2130 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2132 * diagnostic.c (vnotice): Kill.
2133 (fnotice): Call vfprintf directly.
2134 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2135 verbatim, set_diagnostic_context): Rename string argument to
2136 indicate that it is run through gettext.
2137 (vbuild_message_string, build_message_string, output_do_printf):
2138 Rename string argument to indicate that it is NOT run through
2140 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2141 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2142 Run msgid argument through gettext.
2143 (default_print_error_function): Run constant strings through
2144 gettext when nothing else will.
2145 (fatal_error, internal_error, error_recursion): Use fnotice.
2146 Present complete sentences to gettext.
2148 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2150 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2152 2001-05-22 Richard Henderson <rth@redhat.com>
2154 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2155 section pointer alignment.
2157 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2159 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2160 of __USER_LABEL_PREFIX__.
2162 2001-05-22 Richard Henderson <rth@redhat.com>
2164 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2165 (__deregister_frame_info_bases): New.
2166 * unwind-dw2-fde.h: Declare it.
2167 * libgcc-std.ver: Export it.
2168 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2169 called __register_frame_info_bases.
2171 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2173 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2174 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2175 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2176 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2177 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2179 2001-05-22 Richard Henderson <rth@redhat.com>
2181 * libgcc2.c: Include hwint.h.
2183 2001-05-22 Richard Henderson <rth@redhat.com>
2185 * crtstuff.c (__register_frame_info_bases): Declare.
2186 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2187 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2189 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2190 (CRT_GET_RFIB_DATA): New.
2191 * config/i386/sysv4.h: Likewise.
2192 * config/i386/sco5.h: Likewise.
2193 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2195 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2197 * doc/install.texi (Specific): Remove a bogus and duplicate part
2198 copied from the end of the document.
2200 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2202 * install.texi: Remove obsolete information on SunOS as well as
2203 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2204 (Installing GNU CC on the Sun): Remove section.
2206 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2208 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2209 keep errno unchanged on success.
2211 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2213 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2214 once for hexadecimal floats, whether or not they contain a decimal
2215 point. Don't let the setting of pedantic otherwise affect the
2216 parsing of hexadecimal floats.
2218 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2220 * README.ACORN: Remove obsolete file.
2222 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2224 Merge objc.texi from mainline:
2225 2001-02-28 Ovidiu Predescu <ovidiu@cup.hp.com>
2226 * objc-features.texi: Document the @compatibility_alias compiler
2227 directive (description from Nicola Pero <n.pero@mi.flashnet.it>).
2229 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2231 * tree.h (type_num_arguments): Declare it.
2232 * tree.c (type_num_arguments): New function.
2234 2001-05-21 Richard Henderson <rth@redhat.com>
2236 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2239 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2241 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2242 non-register variables.
2243 * extend.texi: Document that asm-specifications do not make sense
2244 for non-static local variables.
2246 2001-05-17 Andrew Haley <aph@redhat.com>
2248 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2250 2001-05-20 Mark Mitchell <mark@codesourcery.com>
2251 Jim Wilson <wilson@redhat.com>
2253 * libgcc2.h (TItype): Do not assume that the host has 64-bit ntegers.
2254 (W_TYPE_SIZE): Likewise.
2256 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2258 * extend.texi: Clarify documentation of extensions included in ISO
2259 C99. Prefer C99 terminology and syntax to old GNU terminology and
2260 syntax. Add more index entries. Document mixed declarations and
2261 code as an extension in C89 mode. Warn about future changes to
2262 semantics of inline functions. Fixes PR other/930.
2264 2001-05-20 Richard Henderson <rth@redhat.com>
2266 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2267 to be output before a branch.
2269 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2270 * sched-deps.c (sched_analyze_insn): Remove unused vars.
2272 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2273 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
2276 2001-04-04 Bernd Schmidt <bernds@redhat.com>
2277 * sched-deps.c (sched_analyze_insn): Partially revert March 27
2280 2001-05-20 Richard Henderson <rth@redhat.com>
2282 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2284 2001-05-20 Richard Henderson <rth@redhat.com>
2286 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2287 (ASM_DOUBLE): Remove.
2288 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2289 * config/i386/sun386.h: Likewise.
2291 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2292 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2294 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2295 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2296 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2297 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2299 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2300 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2301 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2302 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2303 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2304 * config/i386/win-nt.h, config/i386/win32.h: Likewise.
2306 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2308 * invoke.texi: Add more options to summary list.
2310 2001-05-19 Zack Weinberg <zackw@stanford.edu>
2312 * extend.texi: Document #pragma GCC java_exceptions.
2314 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2316 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2317 used. Fixes PR c/2291.
2318 * gcc.1: Regenerate.
2320 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2322 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2323 the -fpic and -fPIC options, clear flag_pic.
2325 2001-05-19 Brad Lucier <lucier@math.purdue.edu>, Alexandre Oliva <aoliva@redhat.com>
2327 * Makefile.in (alloca.o): Depend on $(GCONFIG_H).
2328 ($(HOST_PREFIX_1)alloca.o): Depend on $(HCONFIG_H). Arrange for
2329 hconfig.h to be included.
2331 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2333 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2335 (expand_eh_return): Convert between word_mode and Pmode.
2336 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2338 (execute_stack_op): Likewise.
2339 (execute_cfa_program): Likewise.
2340 (uw_frame_state_for): Likewise.
2341 (uw_update_context_1): Likewise.
2342 * unwind.inc (_Unwind_Reason_Code): Likewise.
2343 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2344 (EH_RETURN_STACKADJ_RTX): Likewise.
2345 * config/mips/mips.c (compute_frame_size): Make space for saving
2346 EH return registers.
2347 (mips_expand_epilogue): Handle EH stack adjustments.
2348 * config/mips/mips.md (eh_return): New pattern.
2349 (eh_set_lr_si): Likewise.
2350 (eh_set_lr_di): Likewise.
2351 Add splitter to perform EH return after reload.
2353 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2355 * jump.c (mark_jump_label): Tidy previous change.
2357 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2358 Bruce Korb <bkorb@gnu.org>
2360 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2361 found in fixinc directory. Facilitates binary distributions.
2363 2001-05-19 Bruce Korb <bkorb@gnu.org>
2365 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2366 * fixinc/genfixes: emit a warning if AutoGen is out of date
2367 * fixinc/fixincl.x: regen
2368 * fixinc/Makefile.in: open stdin for those building with a closed one.
2370 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2372 * jump.c (mark_jump_label): Tidy previous change.
2374 * jump.c (jump_optimize_1): Tidy.
2375 (mark_jump_label): When changing the label in a LABEL_REF, change
2376 update any REG_EQUAL notes as well.
2378 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2380 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2382 * toplev.c (main): If the target does not allow profiling without
2383 a frame pointer, issue an error message.
2384 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2387 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2389 * regrename.c (regrename_optimize): frame pointer register can
2392 2001-05-18 John David Anglin <dave@hiauly1.hia.nrc.ca>
2394 * toplev.c (note_outlining_of_inline_function): Add ATTRIBUTE_UNUSED
2395 to argument declaration.
2397 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2399 * README.DWARF: Move into dwarfout.c.
2401 2001-05-18 Stan Shebs <shebs@apple.com>
2403 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2404 * configure: Regenerate.
2406 2001-05-18 Geoff Keating <geoffk@redhat.com>
2408 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
2409 the link register if we're not going to use it.
2411 * config/rs6000/rs6000.c (output_function_profiler): Fix a warning.
2413 2001-05-18 Per Bothner <per@bothner.com>
2415 Changes needed for java/jvspec.c
2416 * gcc.h (n_infiles, outfiles): Add declarations.
2417 * gcc.c (n_infiles, outfiles): Mske no longer static.
2419 Fri May 18 10:12:19 2001 Jeffrey A Law (law@cygnus.com)
2421 * config/pa/som.h (EXCEPTION_SECTION): Define.
2423 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2426 2001-02-09 Nick Clifton <nickc@redhat.com>
2427 * config/arm/arm.md: Change output constraint on post inc
2428 load/store multiple patterns to be a read/write constraint.
2430 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2432 * function.c (expand_function_start): Avoid creating BLKmode
2435 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2437 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2438 DIE, even if it has no children.
2439 (dwarf2out_finish): Always output the line-number table, even if
2442 2000-05-18 David Edelsohn <edelsohn@gnu.org>
2444 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2446 2000-05-17 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2448 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2449 offsets if not REG_OK_STRICT.
2451 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2452 (INT_REG_OK_FOR_INDEX_P): Likewise.
2453 (INT_REG_OK_FOR_BASE_P): Likewise.
2454 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2455 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2456 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2457 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2458 REG_OK_FOR_BASE_P. Take an additional parameter.
2459 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2460 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2461 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2462 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2463 rs6000_legitimate_address() and use it.
2464 * config/rs6000/rs6000.c: Update all callers.
2465 (rs6000_legitimate_address): New function.
2467 2001-05-17 Mark Kettenis <kettenis@wins.uva.nl>
2469 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2471 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2473 * doc/install.texi: Update Solaris information.
2475 * except.h (protect_cleanup_actions): Remove it.
2476 (lang_protect_cleanup_actions): Declare it.
2477 * except.c (protect_cleanup_actions): Remove it.
2478 (lang_protect_cleanup_actions): New variable.
2479 (init_eh): Don't make protect_cleanup_actions a GC root.
2480 (expand_eh_region_and_cleanup): Call
2481 lang_protect_cleanup_actions.
2482 (output_function_exception_table): Remove unused `align'
2484 * varasm.c (assemble_external): Abort if we have not yet
2485 opened the assembly output file.
2487 Thu May 17 11:53:49 2001 Jeffrey A Law (law@cygnus.com)
2489 * pa.c (hppa_init_pic_save): No longer update last_parm_insn.
2491 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2492 for eh_personality_libfunc.
2494 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2496 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2497 (reload_as_needed): Call update_eliminable_offsets a bit later.
2499 * expr.c (protect_from_queue): Protect against subsequent calls to
2501 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2504 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2506 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2509 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2511 * gccbug.in (CATEGORIES): Add "bootstrap".
2513 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2515 * stmt.c (expand_asm_operands): For inout operands, make sure
2516 the substitution of '=' for '+' makes it into the rtl.
2518 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2520 * gcc.texi (gccbug): Refer to the web pages for detailed information
2523 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2524 Bruce Korb <bkorb@gnu.org>
2526 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2529 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2531 * assert.h: Removed.
2532 * libgcc-std.ver, sys-protos.h: Remove __eprintf.
2533 * libgcc2.c: Document that __eprintf exists for backward
2535 * configure.in: Correct commentary now assert.h does not exist.
2536 * configure: Regenerate.
2538 * Makefile.in: Delete INSTALL_ASSERT_H, assertdir, and all
2539 references to either. Delete install-assert-h target. Do not
2540 create $(assertdir) or $(gcc_tooldir) in mkinstalldirs target.
2541 Move _eprintf from LIB2FUNCS to LIB2FUNCS_ST; pass
2542 LIB2FUNCS_ST to mklibgcc.
2543 * cross-make: Don't set assertdir.
2544 * mklibgcc.in: Add support for LIB2FUNCS_ST.
2546 * config/t-freebsd, config/t-linux, config/t-linux-aout,
2547 config/t-netbsd, config/t-openbsd, config/t-rtems, config/x-linux,
2548 config/alpha/t-interix, config/i386/t-beos, config/i386/t-interix,
2549 config/mcore/t-mcore, config/mcore/t-mcore-pe:
2550 No need to set INSTALL_ASSERT_H.
2552 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
2553 fixinc/fixinc.svr4, fixinc/fixinc.winnnt, fixinc/fixinc.wrap,
2554 fixinc/fixincl.sh: Don't install assert.h.
2556 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2558 * i386.md: Add two peepholes to clean up code generated by
2561 2001-05-16 Richard Henderson <rth@redhat.com>
2563 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2564 variants of non-absolute encodings.
2566 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2568 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2569 __register_frame_info_table_bases): Export.
2571 Wed May 16 13:38:21 2001 Jeffrey A Law (law@cygnus.com)
2573 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2576 2001-05-16 Richard Henderson <rth@redhat.com>
2578 * except.c (eh_data_format_name): Move to ...
2579 * dwarf2asm.c: ... here. Use designated initializers if available.
2580 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2581 * dwarf2asm.h: Update declarations.
2582 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2583 ASM_PREFERRED_EH_DATA_FORMAT.
2584 (output_call_frame_info): Likewise. Use 'L' augmentation for
2587 * unwind-dw2-fde.h (struct fde_vector): New.
2588 (struct old_object): Rename from struct object.
2589 (struct object): New.
2590 (__register_frame_info_bases): Declare.
2591 (__register_frame_info_table_bases): Declare.
2592 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2593 * unwind-dw2-fde.c (objects): Remove.
2594 (unseen_objects, seen_objects): New.
2595 (__register_frame_info_bases): New.
2596 (__register_frame_info): Use it.
2597 (__register_frame_info_table_bases): New.
2598 (__register_frame_info_table): Use it.
2599 (__deregister_frame_info): Rewrite for changed object struct.
2600 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2601 (fde_unencoded_compare): Rename from fde_compare; uninline.
2602 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2603 (start_fde_sort): Adjust for new definition of fde_vector.
2604 (fde_insert): Likewise.
2605 (end_fde_sort): Likewise. Select comparison function based
2606 on properties of the object.
2607 (fde_split): Take object and fde_compare_t arguments.
2608 (frame_heapsort, fde_merge): Likewise.
2609 (classify_object_over_fdes): Rename from count_fdes. Handle
2610 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2612 (add_fdes): Handle encoded pointers.
2613 (init_object): Rename from frame_init. Update for new struct object.
2614 (linear_search_fdes): Rename from search_fdes. Handle encoded
2616 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2617 (binary_search_single_encoding_fdes): New.
2618 (binary_search_mixed_encoding_fdes): New.
2619 (search_object): New.
2620 (_Unwind_Find_FDE): Update for new struct object. Fill in
2622 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2623 iterating over EH data.
2624 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2625 fde_encoding, lsda_encoding.
2626 (read_uleb128, read_sleb128): Remove.
2627 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2628 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2629 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2631 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2633 2001-05-16 Andreas Jaeger <aj@suse.de>
2635 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2637 * toplev.c: Include dwarf2asm.h for prototype of
2638 dw2_output_indirect_constants.
2640 2001-05-16 Richard Henderson <rth@redhat.com>
2642 2001-03-08 Richard Henderson <rth@redhat.com>
2643 * configure.in (HAVE_AS_LEB128): New assembler check.
2644 * configure, config.in: Rebuilt.
2646 2001-05-16 David Edelsohn <edelsohn@gnu.org>
2648 * doc/install.texi: Update AIX information.
2649 * README.RS6000: Remove obsolete file.
2651 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2653 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2655 2001-05-16 Jakub Jelinek <jakub@redhat.com>
2656 Nathan Sidwell <nathan@codesourcery.com>
2658 * gcc.c (give_switch): Don't write before start of string.
2659 Always append suffix.
2661 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
2663 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
2666 2001-05-16 Dean Wakerley <dean@wakerley.com>
2668 * doc/install.texi: New file. Converted to texinfo from the HTML
2669 documentation in wwwdocs/htdocs/install.
2671 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2673 * README.ALTOS: Remove obsolete file.
2675 Tue May 15 22:12:41 2001 Jeffrey A Law (law@cygnus.com)
2677 * flow.c (life_analysis): After life analysis is complete, do
2678 an optional scan over insns looking for REG_LABEL notes that
2679 reference a deleted label.
2680 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
2681 before peeking at LABEL_NUSES.
2683 2001-05-15 Richard Henderson <rth@redhat.com>
2685 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
2686 (_Unwind_GetTextRelBase): New.
2688 2001-05-15 Mark Mitchell <mark@codesourcery.com>
2690 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
2692 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
2694 * gthr-posix.h: Make additional pthread-* functions weak.
2696 2001-05-14 Richard Henderson <rth@redhat.com>
2698 * configure.in (gcc_cv_as_eh_frame): New test.
2699 * config.in, configure: Rebuild.
2700 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
2702 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
2704 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
2705 for RETURNS as well.
2706 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
2707 extended precision divide.
2709 2001-05-14 Andrew Haley <aph@redhat.com>
2711 * reload1.c (copy_eh_notes): New function.
2712 (emit_input_reload_insns): Call it.
2713 (emit_output_reload_insns): Call it.
2715 * emit-rtl.c (try_split): Copy EH notes to sequence.
2717 2001-05-14 Richard Henderson <rth@redhat.com>
2719 2001-04-12 Richard Henderson <rth@redhat.com>
2720 * Makefile.in (regmove.o): Depend on except.h.
2721 * regmove.c: Include it.
2723 Mon May 14 08:57:23 2001 Jeffrey A Law (law@cygnus.com)
2725 * config/pa/som.h (NM_FLAGS): Remove.
2726 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
2727 (ASM_OUTPUT_SECTION_NAME): Remove.
2728 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
2730 2001-05-14 Mark Mitchell <mark@codesourcery.com>
2732 * regrename.c (regrename_optimize): Do not rename registers to
2735 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
2737 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
2738 contain MEMs. Remove useless distinction about clobbering
2741 2001-05-13 Richard Henderson <rth@redhat.com>
2743 2001-03-28 Richard Henderson <rth@redhat.com>
2744 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
2745 not TARGET_TOC for special toc restore handling.
2746 * config/rs6000/rs6000.md (eh_return): Likewise.
2748 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
2750 * tm.texi (THREAD_MODEL_SPEC): Document it.
2751 * gcc.c (main): Use it.
2752 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
2753 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
2755 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2757 * rtl.h (SYMBOL_REF_WEAK): New macro.
2758 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
2759 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
2760 * rtl.texi (SYMBOL_REF_WEAK): Document it.
2761 * gcc.texi: Remove wrong description.
2763 2001-05-13 Mark Mitchell <mark@codesourcery.com>
2765 * stringpool.c (xxx, yyy): Remove.
2766 (get_identifier): Don't set them.
2768 * Makefile.in (STAMP): New macro.
2769 Replace all uses of `touch' with $(STAMP).
2770 * fixinc/Makefile.in: Likewise.
2772 2001-05-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2774 * i386.c (ix86_save_reg): Change `bool' parameter to `int'.
2776 2001-05-12 Richard Henderson <rth@redhat.com>
2778 EH merge from mainline, continued.
2780 2001-05-12 Richard Henderson <rth@redhat.com>
2781 * dwarf2asm.c (size_of_encoded_value): New function.
2782 * dwarf2asm.h: Declare it.
2783 * except.c (output_function_exception_table): Align the TType
2784 array only as wide as the encoding.
2786 2001-05-11 Richard Henderson <rth@redhat.com>
2787 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2788 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
2789 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
2790 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
2791 (dw2_output_indirect_constants): Prototype.
2792 * dwarf2out.c (dwarf2out_begin_prologue): Generate
2793 current_function_func_begin_label if we'll need it for EH. Exit
2794 early for IA64_UNWIND_INFO.
2795 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
2796 (eh_data_format_name): Update for indirect references.
2797 (output_function_exception_table): Care for IA64_UNWIND_INFO.
2798 Handle ASM_PREFERRED_EH_DATA_FORMAT.
2799 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
2800 define HAVE_eh_return etc.
2801 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
2802 (final_end_function): Don't call output_function_exception_table.
2803 * toplev.c (compile_file): Call dw2_output_indirect_constants.
2804 (rest_of_compilation): Invoke output_function_exception_table
2805 for ia64 before assemble_end_function.
2806 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
2807 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
2809 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
2810 * unwind.h: Declare them.
2811 * libgcc-std.ver: Export them.
2812 * unwind-pe.h: New file.
2814 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2816 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
2818 (find_fde_for_dso): Extract DT_PLTGOT.
2819 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
2820 the segment and gp as well.
2821 * config/ia64/frame-ia64.c: Remove file.
2822 * config/ia64/frame-ia64.h: Remove file.
2823 * config/ia64/unwind-ia64.c: New file.
2824 * config/ia64/unwind-ia64.h: New file.
2825 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
2826 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
2827 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
2828 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2829 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2830 (IA64_UNWIND_INFO): Re-enable.
2831 (HANDLER_SECTION): Remove.
2832 (EH_RETURN_DATA_REGNO): New.
2833 * config/ia64/ia64.md (exception_receiver): Remove.
2834 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
2835 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
2837 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
2838 * except.c (sjlj_mark_call_sites): Do not search for assignments to
2839 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
2841 2001-05-05 Richard Henderson <rth@redhat.com>
2842 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
2843 to the parent of the fixup region.
2845 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2846 * except.c (expand_eh_region_start): Don't start a new block.
2847 (expand_eh_region_end): Don't end a block.
2848 * stmt.c (expand_end_bindings): Don't end EH blocks.
2849 (expand_decl_cleanup): Starting an EH region won't change the block.
2850 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2851 (is_eh_region): Lose.
2854 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2855 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2857 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2858 * except.c (get_exception_filter): word_mode, not Pmode.
2860 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2861 * except.c (expand_eh_region_end_cleanup): Force pending stack
2862 adjust before emitting label that branches around cleanup code.
2864 2001-04-25 Richard Henderson <rth@redhat.com>
2865 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2866 of registers to restore along non eh_return path.
2868 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2869 * except.c (reachable_handlers): Step out one level from a RESX.
2871 * except.c (struct eh_region): Rename 'last' to 'resume'.
2872 (mark_eh_region, duplicate_eh_region_1): Adjust.
2873 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2874 (build_post_landing_pads): Likewise.
2875 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2876 (expand_eh_region_end_must_not_throw): Likewise.
2877 (connect_post_landing_pads): Thread (only) regions with non-deleted
2880 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2881 registers around the cleanup.
2882 (get_exception_filter): New fn.
2883 (finish_eh_generation): Use it.
2885 2001-04-03 Richard Henderson <rth@redhat.com>
2886 * rtl.h (LCT_THROW): New.
2887 * calls.c (emit_library_call_value_1): Handle it.
2888 * except.c (connect_post_landing_pads): Use it.
2890 2001-03-28 Richard Henderson <rth@redhat.com>
2891 * except.c: Rewrite entirely for IA-64 ABI exception handling.
2892 * except.h: Likewise.
2894 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
2895 (LIB2ADDEHDEP): New.
2896 (LIB2FUNCS_EH): Remove.
2897 (LIB2ADD): Remove LIB2ADDEH.
2898 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
2899 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
2900 (crt{begin,end}[S].o): Likewise.
2901 (except.o): Update includes.
2902 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
2903 (libgcc2_c_dep): Use LIB2ADDEHDEP.
2905 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
2906 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
2907 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
2908 * builtins.c (expand_builtin): Implement it.
2909 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
2910 * c-common.c (c_common_nodes_and_builtins): Declare it.
2911 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
2912 * calls.c (libfunc_nothrow): Remove.
2913 (emit_library_call_value_1): Don't call it.
2914 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
2915 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
2916 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
2917 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
2918 (current_funcdef_number): Globalize.
2919 (output_call_frame_info): Emit frame data if an lsda is needed.
2920 Generate augmentation for personality routine. Don't play with
2922 (dwarf2out_begin_prologue): Record funcdef_number.
2923 * dwarf2out.h (current_funcdef_number): Declare.
2924 * expr.c (expand_expr): Update for except.h name changes.
2925 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
2926 * expr.h (LTI_throw, LTI_rethrow): Remove.
2927 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
2928 (LTI_eh_rtime_match): Remove.
2929 (LTI_unwind_resume, LTI_eh_personality): Add.
2930 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
2931 * final.c (final): Don't call check_exception_handler_labels,
2932 init_insn_eh_region, or free_insn_eh_region.
2933 (final_scan_insn): Always emit debug labels for
2934 NOTE_INSN_EH_REGION notes.
2935 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
2936 (record_active_eh_regions): Remove.
2937 (count_basic_blocks): Check all instructions for REG_EH_REGION.
2938 Use can_throw_internal.
2939 (find_basic_blocks_1): Likewise.
2940 (move_stray_eh_region_notes): Remove.
2941 (find_label_refs): No eh_return_stub_label.
2942 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
2943 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
2945 (delete_unreachable_blocks): Don't track deleted handlers.
2946 (flow_delete_block): Use maybe_remove_eh_handler.
2947 (delete_eh_regions): Remove.
2948 (merge_blocks): Don't check for eh region match.
2949 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
2950 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
2951 (init_propagate_block_info): Disable dead frame store optimization
2952 when current_function_calls_eh_return.
2953 (dump_bb): Don't print eh_beg, eh_end.
2954 * function.c (fixup_var_refs): No catch_clauses.
2955 (expand_function_end): Likewise. Call expand_eh_return before
2956 the return register use. Call sjlj_emit_function_exit_after.
2957 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
2958 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
2959 * ifcvt.c (dead_or_predicable): Remove eh region check.
2960 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
2961 Don't check for EH vs parameters.
2962 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
2963 (expand_inline_function): Call duplicate_eh_regions.
2964 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
2965 (copy_insn_notes): Remap REG_EH_REGION notes.
2966 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
2967 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
2968 check_exception_handler_labels, nor exception_optimize.
2969 (find_cross_jump): No EH region check.
2970 * optabs.c (init_optabs): Update for changed eh libfuncs.
2971 * rtl.def (RESX): New.
2972 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
2973 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
2974 checks. Update for except.h name changes.
2975 (expand_cleanups): Likewise.
2976 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
2977 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
2978 (compile_file): Call init_eh before init_optabs. Don't
2979 output_exception_table here.
2980 (rest_of_compilation): Call convert_from_eh_region_ranges,
2981 convert_to_eh_region_ranges, output_function_exception_table.
2982 Don't emit_eh_context.
2983 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
2984 (EXC_PTR_EXPR): New.
2986 * md.texi (eh_epilogue): Remove.
2987 (eh_return): Document.
2988 * tm.texi (EH_RETURN_DATA_REGNO): Document.
2989 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
2991 * eh-common.h: Remove file.
2992 * frame-dwarf2.c, frame.c, frame.h: Remove files.
2993 * libgcc2.c (L_eh): Remove.
2995 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2996 * unwind-dw2-fde.h: New file.
2997 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2998 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2999 * libgcc-std.ver: Update for eh symbols.
3001 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3002 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3003 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3004 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3005 (EH_RETURN_DATA_REGNO): New.
3006 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3007 * config/alpha/alpha.md (eh_epilogue): Remove.
3008 (exception_receiver): Use $26 for ldgp input.
3009 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3011 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3012 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3013 True for pic register if current_function_calls_eh_return.
3014 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3015 Handle eh_return requirements.
3016 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3017 (EH_RETURN_STACKADJ_RTX): New.
3018 * config/i386/i386.md (exception_receiver): Remove.
3019 (eh_return, eh_return_1): New.
3020 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3022 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3023 for eh_return data registers.
3024 (rs6000_emit_prologue): Save eh_return data registers.
3025 (rs6000_emit_epilogue): Force inline restores if eh_return.
3026 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3027 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3028 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3029 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3030 the target uses one.
3031 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3032 (return_eh_si, return_eh_di): Remove.
3033 (eh_return): New, from corpse of eh_epilogue.
3034 (eh_set_lr_si, eh_set_lr_di): New.
3036 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3037 current_function_calls_eh_return.
3038 (output_function_epilogue): Handle eh_return.
3039 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3040 (EH_RETURN_DATA_REGNO): New.
3041 (EH_RETURN_STACKADJ_RTX): New.
3042 (EH_RETURN_HANDLER_RTX): New.
3043 * config/sparc/sparc.md (call/short branch peepholes): Check
3044 can_throw_internal instead of in_same_eh_region.
3046 2001-03-17 Richard Henderson <rth@redhat.com>
3047 * dwarf2out.c (queue_reg_save): New.
3048 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
3049 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
3051 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
3052 (cfa, cfa_store, cfa_temp): Make static.
3053 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
3055 2001-03-16 Richard Henderson <rth@redhat.com>
3056 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
3057 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
3058 (dw2_asm_output_delta_uleb128): Likewise.
3059 (dw2_asm_output_delta_sleb128): Similarly.
3060 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
3062 2001-03-15 Richard Henderson <rth@redhat.com>
3063 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
3064 if provided by the target.
3065 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
3066 (dw2_asm_output_addr): New.
3067 * dwarf2asm.h (dw2_asm_output_addr): Declare.
3068 * dwarf2out.c (output_cfi): Use it for program addresses.
3069 (output_call_frame_info, output_die): Likewise.
3070 (output_aranges, output_line_info): Likewise.
3072 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3073 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3075 2001-03-02 Richard Henderson <rth@redhat.com>
3076 * Makefile.in (OBJS): Add dwarf2asm.o.
3077 * dwarf2asm.c, dwarf2asm.h: New files.
3078 * dwarf2out.c (*): Use them.
3079 (size_of_uleb128, size_of_sleb128): Remove.
3080 (output_uleb128, output_sleb128): Remove.
3081 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
3082 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
3083 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
3084 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
3085 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
3086 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
3087 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
3088 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
3089 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
3090 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3091 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
3092 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
3093 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
3094 (dwarf2out_frame_debug): Remove unused variables.
3095 (output_loc_operands): Don't abort on 8 byte constants if
3096 host integers are wide enough.
3097 (output_symbolic_ref): Remove.
3098 (size_of_die): Don't assume 4 byte host integers.
3099 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
3101 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
3102 something stupid with HOST_WIDE_INT to long truncation.
3103 [CONST_DOUBLE]: Likewise.
3105 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
3106 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
3107 * config/arm/unknown-elf.h: Likewise.
3108 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
3109 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
3110 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
3111 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
3112 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
3113 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
3114 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
3115 (ASM_OUTPUT_DWARF_OFFSET): Remove.
3116 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
3117 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
3118 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
3119 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
3121 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
3122 * i386.c (ix86_frame): New structure.
3123 (ix86_compute_frame_size): Kill.
3124 (ix86_compute_frame_layout): New.
3125 (ix86_save_reg): New.
3126 (ix86_can_use_return_insn_p): Use frame layout stuff.
3127 (ix86_expand_prologue): Likewise.
3128 (ix86_expand_epilogue): Likewise.
3129 (ix86_initial_elimination_offset): Likewise.
3130 (ix86_nsaved_regs): Use ix86_save_reg.
3131 (ix86_emit_save_regs): Likewise.
3133 2001-05-12 Richard Henderson <rth@redhat.com>
3135 EH merge from mainline, parts 5 - 16.
3136 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3137 reduce false positives.
3138 (regmove_optimize): Disable if flag_non_call_exceptions.
3140 * stmt.c (expand_return): Remove always true predicate.
3141 (expand_decl_cleanup_no_eh): Remove dead code.
3143 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3144 barrier code. Add a scheduling barrier if a non-call insn
3145 can throw internally.
3147 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3148 Auto-inc addresses trap only if their base register does.
3150 * except.c (can_throw_internal): Rename from can_throw.
3151 * except.h, resource.c: Update references.
3153 * integrate.c (copy_insn_list): Use returnjump_p.
3154 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3156 * integrate.h (struct inline_remap): Add local_return_label.
3157 * integrate.c (expand_inline_function): Initialize it and emit
3158 it after copy_insn_notes.
3159 (copy_insn_list): Don't store local_return_label here.
3160 (copy_insn_notes): New function split out from copy_insn_list.
3162 * function.h (struct function): Move all boolean valued fields
3163 to single bit fields at the end of the struct.
3165 * flow.c (cleanup_cfg): Take no argument.
3166 * output.h, sibcall.c, toplev.c: Update all calls.
3168 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3169 (calculate_global_regs_live): Kill call-clobbered registers
3170 across exception edges.
3171 * reg-stack.c (convert_regs_1): Kill the entire target stack
3172 across non-call exception edges.
3174 * flags.h (flag_new_exceptions): Remove.
3175 * toplev.c: Don't set it.
3176 * final.c: Don't check it.
3177 * except.c: Provide stub definition.
3179 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3180 exceptions, put the note on the trapping instruction.
3182 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3183 value to target configuration header.
3184 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3185 * config.in, configure: Rebuild.
3186 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3187 configuration and target defines.
3188 (exceptions_via_longjmp): Remove.
3189 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3190 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3192 2001-05-12 Richard Henderson <rth@redhat.com>
3194 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3195 * mkconfig.sh (DEFINES): Handle entries with '='.
3197 2001-03-22 Zack Weinberg <zackw@stanford.edu>
3198 * mkconfig.sh: Use a subshell with redirected stdout,
3199 instead of closing stdout and confusing commands that run
3200 afterward. Throw away output of cmp.
3202 2001-03-22 Richard Henderson <rth@redhat.com>
3203 * mkconfig.sh: Include insn-flags.h.
3204 * Makefile.in (CONFIG_H): Include insn-flags.h.
3205 (lots of objects): Remove insn-codes.h and insn-flags.h.
3207 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
3208 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
3209 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
3210 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
3211 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
3212 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
3213 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
3214 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
3215 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
3216 v850/v850.c, vax/vax.c:
3217 Don't include insn-flags.h.
3219 * diagnostic.c, expr.h, reload.c, toplev.c:
3220 Don't include insn-codes.h.
3222 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
3223 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
3224 c4x/c4x.c, i960/i960.c, mips/mips.c:
3225 Don't include insn-codes.h or insn-flags.h.
3227 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
3228 or insn-flags.h in the generated code.
3229 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
3230 (main): Forward declare struct rtx_def.
3232 2001-03-09 Zack Weinberg <zackw@stanford.edu>:
3233 * configure.in: Prune nonexistent files from build_xm_file,
3234 xm_file, and host_xm_file lists. Warn unless they're
3236 Don't generate *config.h here.
3237 AC_SUBST all variables needed to generate *config.h.
3238 * mkconfig.sh: New helper script, from code removed from
3240 * Makefile.in: Substitute in variables needed to generate *config.h.
3241 Stop lying about the dependencies contained in CONFIG_H and
3243 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3244 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3245 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3246 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3247 $(TM_P_H), etc. as appropriate.
3249 2001-05-12 Richard Henderson <rth@redhat.com>
3251 EH merge from mainline, parts 1 - 4.
3252 * gthr-single.h (UNUSED): New. Distinguish between how C
3253 and C++ mark unused function arguments. Use throughout.
3255 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3257 Rename asynchronous_exceptions to flag_non_call_exceptions.
3258 * except.h (flag_non_call_exceptions): Move ...
3259 * flags.h: ... here.
3261 * rtl.h (LCT_NORETURN): New.
3262 * calls.c (emit_library_call_value_1): Handle it.
3264 * function.c (expand_function_start): Set DECL_REGISTER on
3265 a pseudo used for DECL_RESULT.
3267 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3269 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3270 about files not ending in newlines.
3272 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3274 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3275 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3277 2001-05-11 Richard Henderson <rth@redhat.com>
3279 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3280 calls and jumps to be bundled together.
3281 (ia64_reorg): Emit a break after a noreturn call that ends
3283 * config/ia64/ia64.md (break_f): New.
3285 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3287 * regmove.c (regmove_optimize): Suppress the optimization for
3288 unchanging destination register. Add comment above function.
3290 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3292 * loop.h (struct movables): Remove `num'.
3293 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3294 Adjust call to strength_reduce.
3295 (num_unmoved_movables): New function.
3296 (move_movables): Don't set movables->num.
3297 (strength_reduce): Compute the number of instructions in the loop
3298 here, rather than in the caller.
3299 (check_dbra_loop): Always clear reversible_mem_store if there
3300 are any memory sets.
3301 (loop_regs_scan): Don't count instructions here.
3302 (count_insn_in_loop): New function.
3304 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3306 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3308 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3309 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3311 Thu May 10 18:23:11 2001 Jeffrey A Law (law@cygnus.com)
3313 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3314 a computed jump into an unconditional jump.
3315 In second hunk of code for collapsing computed and conditional jumps
3316 into unconditional jumps, reemit the jump in additional cases.
3318 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3320 * expr.c (emit_group_load): extract_bit_field requires a REG or
3323 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3325 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3326 contents for a SYMBOL_REF in case of floating point constants.
3328 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3330 * cppinit.c (cpp_post_options): Shut off macro expansion if
3332 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3333 IN_I directives only if the # is in column 1 and the directive
3334 name begins in column 2.
3335 * cppmain.c (scan_buffer): Insert a space between # and an
3336 identifier, when that identifier is a directive name.
3338 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3339 in the header search path.
3340 (enum node_type): Add T_INCLUDE_NEXT.
3341 (directive_table): Add entry for include_next.
3342 (do_include_next): New function.
3343 (process_include): New routine, broken out of do_include.
3344 (finclude): Insert 'nhd' argument, to be copied into
3345 next_header_dir of the new buffer.
3346 (main): Adjust to match.
3347 * gsyslimits.h, limity.h: Un-indent #include_next.
3349 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3351 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3352 inclusion as a chapter of the GCC manual.
3353 * gcc.texi: Include objc.texi.
3354 * fdl.texi: Use @unnumberedsec for the addendum.
3355 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3357 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3359 * pa.md (interspace_jump): Revise comment.
3360 (builtin_longjmp): Block initial setup insns from delay slot of
3362 (builtin_setjmp_receiver): New expander to save and restore PIC
3365 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3367 2001-05-07 Mark Mitchell <mark@codesourcery.com>
3369 * gcc.texi: Remove references to CHILL.
3370 * invoke.texi: Likewise.
3371 * install.texi: Likewise.
3373 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3375 * Makefile.in (tradcpp0): Correct typo in dependency list.
3377 2001-05-06 Andreas Jaeger <aj@suse.de>
3379 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3380 (i386 Options): Document -momit-leaf-frame-pointer.
3382 Sun May 6 10:54:20 2001 Jim Wilson <wilson@redhat.com>
3384 * dwarf2out.c (output_line_info): Fix typo.
3386 2001-05-05 Richard Henderson <rth@redhat.com>
3388 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3390 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3392 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3393 between X and Y by using sequences of xgdx and xgdy.
3395 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3397 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3398 of '!' for the 'D' alternative ('!' is too strong).
3399 ("*logicalsi3_silshl16"): Likewise.
3400 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3401 ("movstrictsi"): Remove spurious '+'.
3402 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3403 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3404 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3407 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3409 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3411 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3413 * config/rs6000/rs6000.md (ashldi3 splits): Guard with TARGET_POWERPC64.
3415 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3417 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3418 soft register, use ror instead of rol.
3420 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3422 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3423 into account pre/post increment decrement for 68HC12.
3424 Fix other problems in replacement and fix call to reg_mentioned_p.
3426 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3428 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3429 Put the soft registers in bss for 68HC12.
3430 (L_regs_d3_4): New for _.d3 and _.d4.
3431 (L_regs_d5_6): Likewise.
3432 (L_regs_d1_2): Likewise.
3433 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3435 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3437 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3438 to the pre-processor when -fshort-double is specified.
3439 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3441 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3443 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3444 (__mulsi3): Rewrite for 68HC12.
3445 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3446 Mark 'x' constraint with earlyclobber to prevent a
3447 RELOAD_FOR_OTHER_ADDRESS to go in it.
3448 (mulhi3_m68hc12): New pattern.
3449 (mulhi3_m68hc11): Rename of mulhi3.
3450 (mulhi3): New expand for 68HC12 optimisation.
3451 (umulhisi3, mulhisi3): New patterns for 68HC12.
3453 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3455 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3456 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3457 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3459 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3461 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3462 constants cheap after reload.
3463 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3465 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3466 so that gcc prefers a shift by 16.
3467 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3469 2001-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3471 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3472 (CPP_SPEC): Conditionally define MSDOS and GO32.
3473 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3474 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3476 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3478 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3480 * hash.c (hash_lookup): Likewise.
3482 * hash.h (hash_lookup): Likewise.
3484 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3486 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3488 * config/t-freebsd: Don't install "assert.h" in gcc. Compile
3489 crtbeginS.o and crtendS.o with PIC.
3491 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3493 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3495 ("bitcmpqi2"): New pattern for bit-extract and test.
3496 ("bitcmphi"): New pattern for bitb/bita instructions.
3498 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3500 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3502 (INITIALIZE_TRAMPOLINE): Call it.
3503 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3504 (TRAMPOLINE_TEMPLATE): Remove.
3505 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3506 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3509 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3511 * gccbug.in: Use a temporary directory when the mktemp command is
3514 2001-05-03 David Edelsohn <edelsohn@gnu.org>
3516 * config/rs6000/aix51.h: Remove duplicate header file inclusion as
3517 reported by David O'Brien <obrien@FreeBSD.org>.
3519 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3521 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3522 * integrate.c (expand_inline_function): Use xcalloc to allocate
3524 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3527 2001-05-02 Geoff Keating <geoffk@redhat.com>
3529 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
3530 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
3531 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
3532 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
3533 ctrdi_internal6): In the short-branch case, this insn is only 4
3534 bytes long. Reported by Reza Yazdani <reza@apple.com>.
3536 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3537 (setup_incoming_varargs): Remove warning.
3539 * config/rs6000/rs6000.c (validate_condition_mode): When
3540 flag_fast_math, allow floating-point conditionals to be reversed.
3541 (rs6000_generate_compare): When flag_fast_math, don't generate
3542 cror operations for FP conditionals.
3544 2001-05-02 Dale Johannesen <dalej@apple.com>
3546 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3548 (STRICT_ARGUMENT_NAMING): Define.
3549 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3550 function_arg_partial_nregs, setup_incoming_varargs): Remove
3551 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3554 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3556 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3559 * expr.c (store_field): Do nothing except elaborate side-effects if
3562 2001-05-02 Nick Clifton <nickc@cambridge.redhat.com>
3564 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
3565 constant pool, use the pool's SYMBOL_REF instead.
3567 2001-05-01 Per Bothner <per@bothner.com>
3569 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
3570 call do_pending_stack_adjust before emiting label.
3572 2001-05-01 Mark Mitchell <mark@codesourcery.com>
3574 * extend.texi: Fix typo.
3576 2001-05-01 Stan Shebs <shebs@apple.com>
3578 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
3579 of UOBJC_MODULES_decl.
3580 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
3581 (generate_descriptor_table): Ditto.
3582 (generate_protocols): Ditto.
3583 (generate_protocol_list): Ditto.
3584 (generate_classref_translation_entry): Ditto.
3586 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
3588 * ChangeLog (2001-02-21): Remove erroneous entry.
3589 * gcc.c (cc1_options): Add "-param".
3590 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
3591 (option_map): Likewise.
3592 (display_help): Add "--param" to 'other' options.
3593 * invoke.texi (Optimize Options): Add documentation for `--param
3594 max-delay-slot-insn-search' and `--param
3595 max-delay-slot-live-search' and reorder --param section.
3596 * params.def: Modify initial comment.
3597 * params.h (param_info): Add `help' member.
3598 * toplev.c (lang_independent_params): Include `help' description.
3599 (display_help): Print --param parameters.
3600 (independent_decode_option): Fix typographical error.
3602 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
3604 * c-tree.texi (USING_STMT): Document.
3606 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3607 Richard Henderson <rth@redhat.com>
3609 * extend.texi: Improve documentation of volatile asms.
3611 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3613 * c-tree.texi: Fix thinko.
3614 * gcc.texi: Likewise.
3616 2001-04-30 Richard Henderson <rth@redhat.com>
3618 * c-common.c (c_promoting_integer_type_p): New function, from the
3619 corpse of old macro. Properly promote too-small enumerations and
3620 booleans. Adjust all callers.
3621 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
3622 (c_promoting_integer_type_p): Declare.
3623 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
3624 * c-typeck.c: Likewise.
3625 (default_conversion): Remove now redundant boolean check.
3627 2001-04-30 Jan Hubicka <jh@suse.cz>
3628 Richard Henderson <rth@redhat.com>
3630 * regmove.c (try_apply_stack_adjustment): Remove now redundant
3632 (combine_stack_adjustments_for_block): Don't combine stack
3633 allocation followed by deallocations. Handle grow-up stacks.
3635 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3637 * fdl.texi: New file.
3638 * c-tree.texi: Use the GFDL.
3639 * gcc.texi: Likewise.
3641 2001-04-30 Stan Shebs <shebs@apple.com>
3643 * invoke.texi: Add a section documenting Objective-C options.
3645 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3647 * regmove.c (record_stack_memrefs): Catch all references to the
3650 2001-04-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3652 * pa.c (hppa_init_pic_save): Update last_parm_insn after emitting
3655 2001-04-30 Mark Mitchell <mark@codesourcery.com>
3657 * extend.texi (extended asm): Fix typo.
3659 Sat Apr 28 10:32:26 2001 Jeffrey A Law (law@cygnus.com)
3661 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
3662 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
3663 into the constant pool.
3664 * jump.c (jump_optimize_1): Remove barrier successors after all
3665 the LABEL_NUSES counds have been computed.
3666 (delete_barrier_successors): When deleting a tablejump insn, also
3667 delete the jump table it uses.
3668 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
3671 2001-04-28 Andreas Jaeger <aj@suse.de>
3673 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
3675 * extend.texi: Likewise.
3677 2001-04-28 Andreas Jaeger <aj@suse.de>
3679 * md.texi: Use XX-bit instead of XXbit or XX bit where
3682 2001-04-28 Andreas Jaeger <aj@suse.de>
3683 Richard Henderson <rth@redhat.com>
3685 * md.texi (Machine Constraints): Fix description of "A" for
3688 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
3690 * collect2.c (main): Add `-L' case to remove duplicate entries.
3691 (is_in_args): New function to check for a duplicate argument.
3692 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
3693 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
3694 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
3695 Define to be nonzero.
3697 Fri Apr 27 10:41:06 2001 Jeffrey A Law (law@cygnus.com)
3699 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
3701 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
3703 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
3704 common to other movsf patterns. Move up so that in future
3705 people who change the other patterns will change it too.
3706 (movsf_lo_sum): Allow even for soft-float; add appropriate
3708 (movsf_high): Likewise.
3709 (movsf_high+1): Allow even for soft-float.
3711 2001-04-26 Mark Mitchell <mark@codesourcery.com>
3713 * invoke.texi: Document more C++ command-line options.
3715 2001-04-26 H.J. Lu (hjl@gnu.org)
3717 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
3719 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
3721 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
3722 (ASM_OUTPUT_SECTION_NAME): Likewise.
3723 (ASM_WEAKEN_LABEL): Likewise.
3724 (UNIQUE_SECTION): Likewise.
3725 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3726 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3727 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
3728 (ASM_OUTPUT_SECTION_NAME): Likewise.
3729 (ASM_WEAKEN_LABEL): Likewise.
3730 (UNIQUE_SECTION): Likewise.
3731 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
3732 (ASM_OUTPUT_DESTRUCTOR): Likewise.
3733 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
3734 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
3735 (ASM_FILE_START): Likewise.
3736 (ASM_OUTPUT_SOURCE_LINE): Likewise.
3737 (ASM_DECLARE_OBJECT_NAME): Likewise.
3738 (ASM_FILE_END): Likewise.
3739 (ASM_DECLARE_FUNCTION_NAME): Likewise.
3740 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
3741 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
3742 (ASM_OUTPUT_CASE_LABEL): Likewise.
3743 (ASM_OUTPUT_SKIP): Likewise.
3744 (ASM_OUTPUT_ASCII): Likewise.
3745 (ASM_OUTPUT_IDENT): Likewise.
3746 (READONLY_DATA_SECTION): Likewise.
3747 (EXTRA_SECTIONS): Likewise.
3748 (EXTRA_SECTION_FUNCTIONS): Likewise.
3749 (SELECT_RTX_SECTION): Likewise.
3750 (SELECT_SECTION): Likewise.
3752 * config/mips/linux.h (INVOKE__main): Undefine.
3753 (CTOR_LIST_BEGIN): Likewise.
3754 (CTOR_LIST_END): Likewise.
3755 (DTOR_LIST_BEGIN): Likewise.
3756 (DTOR_LIST_END): Likewise.
3757 (SET_ASM_OP): Defined it to ".dummy".
3758 (ASM_OUTPUT_DEF): Defined.
3759 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
3761 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
3763 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
3765 2001-04-26 Jakub Jelinek <jakub@redhat.com>
3767 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
3770 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
3772 * configure.in (configargs.h): Define thread_model.
3773 * configure: Rebuilt.
3774 * gcc.c (main): Print it with -v.
3776 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
3778 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
3779 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
3780 * gcc.1: Regenerate.
3782 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3784 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
3785 is_redundant_typedef): Use static inline instead of inline static.
3787 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
3789 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
3790 this directory is always searched.
3792 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
3794 * loop.c (try_swap_copy_prop): Go back to checking insn.
3796 2001-04-25 Jakub Jelinek <jakub@redhat.com>
3798 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
3799 out and comparison sequence has been detected, put result into
3800 proper temporary pseudo.
3802 2001-04-24 Mark Mitchell <mark@codesourcery.com>
3804 * dwarf2out.c (dwarf2out_finish): Forcibly return to the data
3805 section after emitting information.
3807 2001-04-24 Zack Weinberg <zackw@stanford.edu>
3809 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
3810 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
3811 * libgcc2.c: Remove __dummy and __empty functions, and all
3812 code for __builtin_saveregs.
3813 * libgcc2.h: Don't prototype __builtin_saveregs, __dummy, or __empty.
3814 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
3815 for future reference.
3817 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
3819 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
3820 passing nested NOP_EXPRs to fold.
3822 2001-04-23 Mark Mitchell <mark@codesourcery.com>
3824 * dwarf2out.c (rtl_for_decl_location): Add comments. Abort
3825 if the decl is abstract.
3826 (add_bound_info): Don't try to get the location of an abstract
3829 2001-04-22 Mark Mitchell <mark@codesourcery.com>
3831 * loop.c (loop_delete_insns): Add prototype.
3833 2001-04-21 Mark Mitchell <mark@codesourcery.com>
3835 * flow.c (proagate_one_insn): Remove useless assignment.
3836 * jump.c (delete_insn): Tidy.
3837 * loop.c (try_copy_prop): When deleting an instruction with a
3838 REG_RETVAL note, delete the entire libcall sequence.
3839 (loop_delete_insns): New function.
3840 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
3841 we're not substituting into them yet.
3843 2001-04-21 Kazu Hirata <kazu@hxi.com>
3845 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
3847 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
3849 * config/i960/i960.c (signed_arith_operand): Likewise.
3851 * calls.c (expand_call): Fix a comment typo.
3853 Fri Apr 20 12:22:15 2001 Jeffrey A Law (law@cygnus.com)
3855 * config/pa/som.h (NM_FLAGS): Define.
3857 2001-04-20 Bernd Schmidt <bernds@redhat.com>
3859 * ia64.c (ia64_flag_schedule_insns2): New variable.
3860 (ia64_override_options): Initialize it. Clear
3861 flag_schedule_insns_after_reload.
3862 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3864 Thu Apr 19 19:12:57 2001 Jeffrey A Law (law@cygnus.com)
3866 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
3867 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
3869 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
3870 name at 32 total characters.
3871 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
3872 functions in named sections -- data items can still go into unique
3873 sections, but they have normal names (ie $LIT$ and $DATA$).
3875 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
3878 2001-04-19 Mark Mitchell <mark@codesourcery.com>
3880 * toplev.h (struct lang_hooks): Allow decode_option to indicate
3881 that language-independent processing should not be done.
3882 * toplev.c (main): Adjust accordingly.
3884 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
3885 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
3887 * mips.md (reload_outputdi): Require that operand0 be a
3890 2001-04-19 Jakub Jelinek <jakub@redhat.com>
3892 * invoke.texi (-Wshadow): Clarify.
3894 2001-04-18 Mark Mitchell <mark@codesourcery.com>
3896 * loop.c (load_mems): Examine all the instructions in the loop
3897 before concluding that all jumps branch to the first instruction
3900 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
3902 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
3904 2001-04-18 Jakub Jelinek <jakub@redhat.com>
3906 * cpp.texi (-Wwhite-space): Remove.
3907 (-Wall): -Wall does not imply -Wwhite-space.
3909 2001-04-17 Zack Weinberg <zackw@stanford.edu>
3911 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
3912 use it instead of blindly generating a .stabs.
3913 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
3915 * xcoffout.c: Don't bother defining default for N_CATCH.
3916 (UNKNOWN_STAB): Use internal_error.
3917 (stab_to_sclass): Remove now-unnecessary aborts.
3918 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
3920 Tue Apr 17 21:39:12 2001 Jeffrey A Law (law@cygnus.com)
3922 * jump.c (mark_all_labels): Canonicalize the tail recursion
3923 label attached to CALL_PLACEHOLDER insns.
3925 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
3927 * dbxout.c (N_OPT): Define if not available from <stab.h>
3929 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
3931 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
3932 libraries and native K&R compilers.
3934 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3936 * c-typeck.c (convert_arguments): Don't check for width changes
3939 * invoke.texi (-Wtraditional): Update documentation.
3941 2001-04-16 Zack Weinberg <zackw@stanford.edu>
3943 * toplev.c (output_lang_identify): Delete.
3944 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
3945 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
3946 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
3947 after calling ASM_FILE_END.
3949 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
3950 Instead, unconditionally emit an N_OPT stab with string equal
3951 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
3953 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
3955 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
3956 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
3957 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
3958 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
3959 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
3960 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
3961 config/i370/i370.h, config/i386/beos-elf.h,
3962 config/i386/osf1elf.h, config/i386/osfrose.h,
3963 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
3964 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
3965 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
3966 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
3967 config/mips/iris6.h, config/mips/osfrose.h,
3968 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
3969 config/sparc/sp64-elf.h:
3970 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
3971 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
3973 * config/elfos.h, config/freebsd.h, config/linux.h,
3974 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
3975 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
3976 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
3977 of ASM_FILE_START which merely emit a .version directive. Delete
3978 definitions of ASM_FILE_END which merely emit an .ident directive.
3980 * config/avr/avr.h, config/vax/vax.h: Delete definition of
3981 ASM_IDENTIFY_GCC and move part of its logic into
3984 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
3985 config/sparc/linux-aout.h: Don't emit .version directive in
3988 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
3989 (output_file_start): Correct comment.
3991 * config/i386/osfrose.h: Don't emit trailing .ident directive.
3992 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
3994 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
3995 * config/rs6000/aix.h: Correct comment.
3997 * config/i386/i386afe.h: Delete.
3998 * config.gcc: Remove references to i386afe.h.
4000 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4001 other macros deleted by this patch were undocumented.
4003 Mon Apr 16 08:02:14 2001 Jeffrey A Law (law@cygnus.com)
4005 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4007 * pa.c (secondary_reload_class): SAR<->FP copies require a
4010 * install.texi (mips-mips-bsd): Update list of functions
4011 required to include memmove.
4012 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4013 used functions to include memmove.
4015 2001-04-15 Mark Mitchell <mark@codesourcery.com>
4017 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
4020 2001-04-15 Jim Wilson <wilson@redhat.com>
4022 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4024 2001-04-13 Jim Wilson <wilson@redhat.com>
4026 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4027 (first_instruction): New static variable.
4028 (rtx_needs_barrier): Return 1 for alloc.
4029 (init_insn_group_barriers): Set first_instruction.
4030 (rws_sum): Delete duplicate definition.
4031 (group_barrier_needed_p): Return 0 when first_instruction true.
4032 (safe_group_barrier_needed_p): Save and restore first_instruction
4033 around group_barrier_needed_p call.
4035 Fri Apr 13 21:33:59 2001 Loren J. Rittle <ljrittle@acm.org>
4037 * expr.h (enum libfunc_index): Add LTI_memmove.
4038 (memmove_libfunc): Define macro.
4039 * optabs.c (init_optabs): Initialize memmove_libfunc.
4040 * expr.c (expand_assignment): Use memmove_libfunc instead of
4043 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4045 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4048 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4050 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4051 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4052 MAKEINFO and MAKEINFOFLAGS too.
4053 (stage4_build): Correctly order -B flags.
4055 2001-04-12 Jim Wilson <wilson@redhat.com>
4057 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
4058 to just emit an fnorm.
4060 2001-04-12 Mark Mitchell <mark@codesourcery.com>
4062 * invoke.texi: Document --param max-gcse-memory.
4064 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
4066 * sh.md (builtin_setjmp_receiver): New expander.
4068 2001-04-12 Kelley Cook <kelley.cook@home.com>
4070 * config-lang.in (lang_dirs): Add in zlib.
4072 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4074 * dwarf2out.c (modified_type_die): Don't create new types here.
4075 * tree.h (get_qualified_type): New function.
4076 (build_qualified_type): Adjust comment.
4077 * tree.c (get_qualified_type): New function.
4078 (build_qualified_type): Use it.
4080 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4082 * cpp.texi (-Wtraditional): Update description.
4084 * invoke.texi (-Wtraditional): Likewise.
4086 2001-04-11 Jim Wilson <wilson@redhat.com>
4088 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
4089 requires more than 64 bits of alignment.
4091 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
4093 * cpplib.c (do_line): Sanity check iff enable checking.
4095 2001-04-11 Mark Mitchell <mark@codesourcery.com>
4097 * Makefile.in (gcse.o): Depend on params.h.
4098 * gcse.c: Include params.h.
4099 (gcse_main): Don't do GCSE if doing so will take inordinate
4101 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
4102 * params.h (MAX_GCSE_MEMORY): New macro.
4104 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4106 * c-typeck.c (convert_arguments): -Wtraditional now activates
4107 -Wconversion warnings, except for changes in signed-ness.
4108 Detect complex<->int & int<->complex conversions as well.
4110 * invoke.texi (-Wtraditional): Document it.
4112 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4114 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
4116 2001-04-11 Jason Merrill <jason_merrill@redhat.com>
4118 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4120 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4121 * varasm.c (CHKR_PREFIX): Likewise.
4123 2001-04-11 Jakub Jelinek <jakub@redhat.com>
4125 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
4127 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4129 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
4130 (LIB2ADD_ST): New macro, pass it to mklibgcc.
4131 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
4132 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
4133 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
4135 2001-04-09 Neil Booth <neil@daikokuya.demon.co.uk>
4137 * configure.in: Add check for lstat.
4138 * configure, config.in: Regenerate.
4139 * cppinit.c (append_include_chain): Make empty path ".".
4140 * cpplib.c (do_line): Don't simplify #line paths.
4141 * cppfiles.c (remove_component_p): New function.
4142 (find_or_create_entry): Acknowledge stat () errors during
4143 path simplification.
4144 (handle_missing_header): Don't simplify paths.
4145 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
4146 the empty path untouched. Don't leave a trailing '/'.
4148 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
4150 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
4151 function. Remove include of sys/cygwin.h.
4153 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
4155 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
4156 (CPP_SPEC): Always search */include/w32api for header files.
4157 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
4158 (LINK_SPEC): Add "cyg" to the library search prefixes.
4160 2001-04-08 Philip Blundell <philb@gnu.org>
4162 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
4164 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
4166 * cpperror.c (print_location): Don't special case <stdin>.
4167 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
4168 WARNING, but we don't check if we're in system headers.
4169 * cpphash.h (enum error_type): WARNING_SYSHDR: New.
4170 * cpplib.c (do_warning): Warn in system headers.
4171 (cpp_push_buffer): Give stdin buffers the name <stdin>.
4173 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
4175 * mbchar.c: Include config.h first.
4177 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4179 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
4181 2001-04-05 Benjamin Kosnik <bkoz@redhat.com>
4183 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4184 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
4186 2001-04-05 Bernd Schmidt <bernds@redhat.com>
4188 * config/ia64/ia64.c (rtx_needs_barrier): PARALLELs can contain
4191 2001-04-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4193 * emit-rtl.c (mark_label_nuses) Increment the label uses for
4194 all labels present in rtx.
4195 (try_split) Call new function for all split insns.
4197 2001-04-05 Neil Booth <neil@daikokuya.demon.co.uk>
4199 * cppfiles.c (open_file): Fail directories silently, but
4200 with an errno of NOENT set.
4201 (read_include_file): Move the common exit code to the sole
4202 caller. Return an int indicating success or failure. Let
4203 open_file handle directories.
4204 (stack_include_file): If read_include_file fails,
4205 push a "null" buffer.
4207 2001-04-04 Diego Novillo <dnovillo@redhat.com>
4209 * simplify-rtx.c (simplify_binary_operation): Check for overflow
4210 when folding integer division and modulo operations.
4212 2001-04-04 Jakub Jelinek <jakub@redhat.com>
4214 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
4215 push insns to delete to it instead of deleting them.
4216 (delete_null_pointer_checks): Delete insns from delete_list after
4217 all delete_null_pointer_checks_1 passes are done.
4219 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4221 * configure.in (target_subdir): Use target_alias, not target.
4222 * configure: Rebuilt.
4224 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4226 * config/sh/crti.asm: Fix typos in comments.
4228 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4230 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4231 LO_SUM cases to where they belong.
4233 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4235 * ifcvt.c (noce_emit_move_insn): New.
4236 (noce_try_store_flag, noce_try_store_flag_constants,
4237 noce_try_store_flag_inc, noce_try_store_flag_mask,
4238 noce_try_cmove, noce_try_cmove_arith): Use it.
4239 (noce_process_if_block): Likewise.
4240 For STRICT_LOW_PART, take mode from its SUBREG.
4242 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4244 * fold-const.c (fold): Before optimizing unsigned comparison with
4245 0x7fffffffU, make sure arg0 is integral type.
4247 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * c-tree.texi: Document representation of wide strings.
4251 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4253 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4254 when multiplier or multiplicand is zero.
4256 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4258 * loop.c (load_mems): When generating a load from a pseudo, update
4261 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4263 (set_src_needs_barrier): Likewise.
4264 (rtx_needs_barrier): For SET case, use these two functions. Rework
4265 PARALLEL case to handle all inputs before all outputs.
4266 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4267 saw a label and no stop bit since then.
4268 (maybe_rotate, process_epilogue): Add prototypes.
4270 2001-03-28 Jim Wilson <wilson@redhat.com>
4272 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4275 2001-03-28 DJ Delorie <dj@redhat.com>
4277 * Makefile.in (stage1_build): Revert CFLAGS patch.
4279 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4281 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4283 2001-03-27 Jim Wilson <wilson@redhat.com>
4285 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4287 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4288 (process_epilogue): New static function.
4289 (process_set): Call process_epilogue instead of emitting .restore
4291 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4293 * flow.c (struct reg_cond_life_info): New fields orig_condition
4295 (init_propagate_block_info): Set new fields.
4296 (mark_regno_cond_dead): Set and use new fields.
4297 (flush_reg_cond_reg_1): Likewise.
4298 (and_reg_cond, case AND): Check for redundant AND conditions.
4299 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4302 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4304 * cppmacro.c (stringify_arg): Null terminate strings.
4306 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4308 * cppfiles.c: Update comments.
4309 (struct include_file): Remove "defined" memeber.
4310 (find_or_create_entry): Make a copy of the file name, and
4312 (open_file): Update to ensure we use the simplified filename.
4313 (stack_include_file): Don't set search_from.
4314 (cpp_included): Don't simplify the path name here.
4315 (find_include_file): New prototype. Call search_from to
4316 get the start of the "" include chain. Don't simplify the
4318 (_cpp_execute_include): New prototype. Move diagnostics to
4319 do_include_common. Update.
4320 (_cpp_pop_file_buffer): Don't set defined.
4321 (search_from): New prototype. Use the preprocessor's cwd
4322 for files included from the command line.
4323 (read_name_map): Don't simplify the pathname here.
4325 (stack_include_file): Only increase the include
4326 count if we actually process the file properly, as opposed
4327 to treating it as length zero. Only call read_include_file
4328 if not DO_NOT_REREAD. Handle the -H include file output
4330 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4331 (cpp_included, find_include_file): Simplify pathnames after
4332 remapping them. If remapping, don't use the remapped file
4333 name's buffer as our scratch buffer.
4334 (cpp_pop_file_buffer): Replace the multiple include macro
4335 only if it isn't yet set.
4336 (read_name_map): Simplify remapped names when reading in.
4337 (remap_filename): Move code to code path that uses it.
4338 (_cpp_simplify_pathname): Return the input pointer.
4340 (NO_INCLUDE_PATH): New macro.
4341 (find_include_file): Decide here which part of the include
4342 chain to start the search. Complain about an empty include
4343 chain in all cases apart from an abolsute file name.
4344 (_cpp_execute_include): Don't choose the search chain here.
4345 Don't call handle_missing_include in the case of an empty
4347 (_cpp_compare_file_date): Don't choose the search chain here.
4349 (destroy_include_file_node): Rename destroy_node.
4350 (find_or_create_entry): New function.
4351 (open_file, _cpp_fake_include): Use it.
4352 (handle_missing_header): New function, broken out of
4353 _cpp_execute include. Don't segfault if there is no
4354 system or quoted path.
4355 (_cpp_execute_include): Use handle_missing_header.
4357 (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
4358 (cpp_included, find_include_file): Update.
4359 (search_from): Use lbasename.
4360 (_cpp_execute_include): Don't make a null-terminated
4361 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
4362 strlen or strcpy; we already know the length.
4363 (_cpp_compare_file_date): Similarly.
4365 * cpphash.h: Update comments.
4366 (enum include_type): New.
4367 (struct buffer): Delete search from. New search_cached.
4368 (_cpp_execute_include): Update prototype.
4369 (struct cpp_reader): Delete done_initialising.
4370 (_cpp_simplify_pathname): Update prototype.
4371 (struct cpp_buffer): Delete actual_dir. New members
4372 search_from and dir.
4373 (struct cpp_reader): Remove actual_dirs.
4375 (struct include_file): Update.
4376 (stack_include_file): Use search_from.
4377 (cpp_included, find_include_file): Update.
4378 (cpp_execute_include): Update. ptr->name may not be
4379 null terminated. Use the new search_from member variable
4381 (_cpp_compare_file_date): Similarly.
4382 (search_from): New function, similiar to actual_directory.
4383 (actual_directory): Delete.
4384 (remap_filename): Update. loc->name may not be null terminated.
4385 (struct file_name_list): Rename search_path. Update.
4387 * cppinit.c (do_includes): Use _cpp_execute_include.
4388 (cpp_start_read): Don't set done_initialising.
4389 (struct cpp_pending): Update for renamed objects.
4390 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4391 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4393 * cpplib.c (do_include_common): New function.
4394 (do_include, do_include_next, do_import): Use it.
4395 (do_include_next): Move the in-main-file diagnostic
4396 here from _cpp_execute_include. Behave like #include if
4397 we're in the main file.
4398 (_cpp_compare_file_date): Make else unconditional.
4399 (CPP_PREV_BUFFER): Delete.
4400 (glue_header_name): Null-terminate.
4401 (do_line): Don't leak memory.
4403 * cpplex.c (parse_string): Guarantee null-termination.
4404 (_cpp_equiv_toklists): Remove.
4406 * cpplib.h (BT_WEAK): Delete.
4407 (struct cpp_options): Update.
4409 * cppmain.c (cb_ident): Strings are now null-terminated.
4411 * mkdeps.c (deps_add_default_target): Use lbasename.
4413 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4415 * c-typeck.c (digest_init): Fold init expression.
4417 * except.c (eh_regs): Save results of build_pointer_type to a temp
4418 as FUNCTION_VALUE macro may evaluate its args multiple times.
4420 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4422 * c-common.h (DECL_NUM_STMTS): New macro.
4423 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4425 (pushdecl): Likewise.
4426 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4427 * integrate.c (expand_inline_function): Don't check
4429 * print-tree.c (print_node): Don't print it.
4430 * toplev.c (rest_of_compilation): Don't try to inline when
4431 flag_no_inline is on.
4432 * tree.h (DECL_FRAME_SIZE): Remove.
4433 (tree_decl): Adjust accordingly.
4435 Mon Mar 26 15:59:57 CEST 2001 Jan Hubicka <jh@suse.cz>
4437 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4439 2001-03-26 Jakub Jelinek <jakub@redhat.com>
4441 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4442 to variable names where DECL_NAME is different from
4443 DECL_ASSEMBLER_NAME.
4445 2001-03-26 Jakub Jelinek <jakub@redhat.com>
4447 * reg-stack.c (stack_result): Re-add 2001-03-14 changes which were
4448 lost during the 2001-03-14 lazy DECL_RTL commit.
4450 2001-03-21 Jason Merrill <jason@redhat.com>
4452 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4454 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4455 * varasm.c (CHKR_PREFIX): Likewise.
4457 2001-03-25 Kazu Hirata <kazu@hxi.com>
4459 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4462 (umodhi3): Likewise.
4465 2001-03-23 Richard Henderson <rth@redhat.com>
4467 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4468 to avoid shadowing arguments.
4470 2001-03-23 Jim Wilson <wilson@redhat.com>
4472 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4473 (assemble_alias): Call make_decl_rtl.
4475 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4477 * extend.texi: Document the "java_interface" attribute.
4479 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4481 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4483 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4485 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec field to
4488 2001-03-22 Brad Lucier <lucier@math.purdue.edu>
4490 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4492 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4494 * gcc.texi: Remove more obsolete documentation of bugs and
4495 installation problems.
4497 2001-03-21 Kazu Hirata <kazu@hxi.com>
4499 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4502 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4504 * cse.c (find_comparison_args): Remove previous change.
4505 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4508 * sdbout.c: #include ggc.h.
4509 (sdbout_init): Move to end of file.
4510 Call ggc_add_tree_root for anonymous_types.
4511 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4512 (sdbout_one_type): Use DECL_NAME for field name.
4513 * Makefile.in (sdbout.o): Show includes ggc.h.
4515 2001-03-21 Jakub Jelinek <jakub@redhat.com>
4517 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4518 Remove ia32 linux PIC kludge and move it...
4519 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4521 2001-03-20 DJ Delorie <dj@redhat.com>
4523 * Makefile.in (install-libgcc): Pass complete list of variables.
4524 (install-multilib): Ditto.
4526 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4528 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4529 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4531 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4533 Compute DECL_ASSEMBLER_NAME lazily.
4534 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4535 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4536 (SET_DECL_ASSEMBLER_NAME): Likewise.
4537 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4538 (set_decl_assembler_name): Declare.
4539 (lang_set_decl_assembler_name): Likewise.
4540 * tree.c (lang_set_decl_assembler_name): New variab.e
4541 (set_decl_assembler_name): New function.
4542 (init_obstacks): Set lang_set_decl_assembler_name.
4543 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4544 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4545 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4546 where it's not necessary.
4547 (builtin_function): Likewise.
4548 (finish_decl): Likewise.
4549 * dbxout.c (dbxout_type_methods): Likewise.
4550 * ggc-common.c (ggc_mark_trees): Likewise.
4551 * profile.c (output_func_start_profiler): Likewise.
4552 * varasm.c (make_decl_rtl): Likewise.
4554 * cse.c (find_comparison_args): Update documentation. Fix
4555 mishandling of COMPARE operations.
4557 * tree.def (ABS_EXPR): Add documentation.
4558 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4560 2001-03-20 Tom Tromey <tromey@redhat.com>
4562 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4564 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4566 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4567 drectve_section, switch_to_section.
4569 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4570 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4571 i386_pe_mark_dllimport.
4573 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4575 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4576 functions i386_pe_*.
4578 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4579 i386_pe_* functions with char * arguments.
4581 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4583 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4585 (movsi_ie): Introduce fpul store.
4587 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4589 * Makefile.in (OBJS): Remove hashtab.o.
4591 2001-03-19 Tom Tromey <tromey@redhat.com>
4593 * gcc.c (init_gcc_specs): Fix comment.
4595 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4597 * cse.c (find_comparison_args): Update documentation. Fix
4598 mishandling of COMPARE operations.
4600 * tree.def (ABS_EXPR): Add documentation.
4601 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4603 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4605 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4607 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4609 * README.X11: Remove obsolete file.
4611 2001-03-18 Anthony Green <green@redhat.com>
4613 * config/pj/pj.h: Remove some trailing commas.
4614 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4616 2001-03-17 Anthony Green <green@redhat.com>
4618 * config/pj/lib1funcs.S: Fix broken comment.
4619 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4622 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4624 * gcc.texi: Remove obsolete information relating to build and
4625 installation problems with enquire or the Pyramid C compiler.
4627 2001-03-16 Philip Blundell <philb@gnu.org>
4629 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4631 * config/arm/linux-elf.h: Remove historical relics related to
4632 above configurations.
4633 * config/arm/linux-oldld.h: Delete.
4634 * config/arm/linux-elf26.h: Delete.
4636 2001-03-17 Richard Henderson <rth@redhat.com>
4638 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4639 is generating .debug_line.
4640 (dwarf2out_init): Add main_input_filename to the file table first.
4641 * configure.in (as_dwarf2_debug_line): Test with file number 1
4642 instead of file number 0.
4644 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4645 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4646 (size_of_line_prolog): Remove.
4647 (output_line_info): Compute prologue size via label difference.
4648 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4649 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4650 assembler error when redefining file numbers.
4651 * config.in, configure: Rebuild.
4653 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4655 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4658 2001-03-16 Jim Wilson <wilson@redhat.com>
4660 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4661 then set it to LOC_REG (79) instead of aborting.
4663 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4665 * fixinc/Makefile.in: Set SHELL.
4667 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4669 * fixinc/fixincl.c (fix_with_system): Quote file names before
4670 passing them to shell.
4672 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4674 * Makefile.in: Use fix-header$(build_exeext) instead
4677 Fri Mar 16 11:26:01 2001 Christopher Faylor <cgf@cygnus.com>
4679 * config/i386/cygwin.h: Revert previously misapplied patch which
4680 eliminated TARGET_SUBTARGET_DEFAULT.
4682 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4684 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4685 register may be dead.
4687 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4689 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4691 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4693 * Makefile.in (hash.o): Depend on CONFIG_H.
4695 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4697 * cppfiles.c (stack_include_file): Use MAX of sysp.
4699 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4701 * config.gcc (ia64*-*-hpux*): New case.
4702 * config/ia64/hpux.h: New file for HP-UX support.
4703 * config/ia64/t-hpux: New file for HP-UX support.
4705 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4707 * fixinc/inclhack.def (irix_stdio_va_list): New.
4708 * fixinc/fixincl.x: Rebuilt.
4710 2001-03-15 Bruce Korb <bkorb@gnu.org>
4712 * gcc.c(main): make more rigorous
4713 * collect2.c(main): guard against ignoring SIGCHLD
4714 * protoize.c(main): ditto
4715 * gcc/fixinc/fixincl.c(initialize): ditto
4717 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4719 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4720 (sdbout_parms): Likewise.
4722 Thu Mar 15 12:51:00 2001 Jeffrey A Law (law@cygnus.com)
4724 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4725 "widen" a destination that is already wider than a word. Also do
4726 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4728 2001-03-15 Zack Weinberg <zackw@stanford.edu>
4730 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4731 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4732 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4733 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4734 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4735 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4736 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4737 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4738 config/i370/xm-oe.h, config/i386/xm-aix.h,
4739 config/i386/xm-i386.h, config/i386/xm-osf.h,
4740 config/i860/xm-i860.h, config/i960/xm-i960.h,
4741 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4742 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4743 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4744 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4745 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4746 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4747 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4748 config/pj/xm-pj.h, config/romp/xm-romp.h,
4749 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4750 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4751 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4752 config/v850/xm-v850.h, config/vax/xm-vax.h,
4753 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4754 Do not define TRUE or FALSE.
4756 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4757 empty by above change.
4758 * config.gcc: Remove references to these files.
4760 * configure.in: Detect stdbool.h.
4761 * configure, config.in: Regenerate.
4762 * system.h: Include stddef.h here if available. Set
4763 HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__. Then
4764 set up a sensible boolean type at the very end.
4766 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4767 config/mcore/mcore.c: Rename variables named 'true'
4770 * hash.h: Delete 'boolean' typedef and related #undefs.
4772 * function.c, ggc-common.c, hash.h, hash.c, tlink.c,
4773 Replace all uses of 'boolean' with 'bool'.
4775 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4776 David Billinghurst <David.Billinghurst@riotinto.com>
4778 * config/mips/iris5.h: Change WCHAR_TYPE to int.
4780 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4782 * simplify-rtx.c (hash_rtx): For REG and MEM, just use value of
4783 expression without adding in rtx code and mode.
4785 * alias.c (init_alias_analysis): Don't use any rtx whose value
4786 varies as a known value.
4787 Delete a superfluous test.
4789 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4791 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4793 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4795 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4796 contents of the RTL, to determine the name of the object.
4798 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4800 * configure.in: Use $gcc_cv_as instead of $as.
4801 * configure: Regenerated.
4803 Wed Mar 14 13:17:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4805 * alias.c (handled_component_p, can_address_p): New functions.
4806 (get_alias_set): Use them.
4808 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4810 * expr.c (expand_expr): Revove bogus conditional.
4812 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4814 * tree.h (DECL_RTL): Allocate RTL lazily.
4815 (SET_DECL_RTL): New macro.
4816 (DECL_RTL_SET_P): Likewise.
4817 (COPY_DECL_RTL): Likewise.
4818 (DECL_RTL_IF_SET): Likewise.
4819 * varasm.c (make_decl_rtl): Add assertions about the kind of
4820 declaration we are processing.
4821 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4822 (start_decl): Likewise.
4823 (finish_decl): Likewise.
4824 * c-semantics.c (emit_local_var): Likewise.
4825 * calls.c (expand_call): Likewise.
4826 * dbxout.c (dbxout_symbol): Likewise.
4827 * emit-rtl.c (unshare_all_rtl): Likewise.
4828 (unshare_all_decls): Likewise.
4829 (reset_used_decls): Likewise.
4830 * expr.c (store_constructor): Likewise.
4831 (safe_from_p): Likewise.
4832 (expand_expr): Likewise.
4833 * function.c (put_var_into_stack): Likewise.
4834 (instantiate_decls_1): Likewise.
4835 (assign_parms): Likewise.
4836 (expand_function_start): Likewise.
4837 (expand_function_end): Likewise.
4838 * ggc-common.c (gcc_mark_trees): Likewise.
4839 * integrate.c (function_cannot_inline_p): Likewise.
4840 (copy_decl_for_inlining): Likewise.
4841 (expand_inline_function): Likewise.
4842 (integrate_parm_decls): Likewise.
4843 (integrate_decl_tree): Likewise.
4844 * print-tree.c (print_node): Likewise.
4845 * reg-stack.c (stack_result): Likewise.
4846 * stmt.c (label_rtx): Likewise.
4847 (expand_return): Likewise.
4848 (expand_decl): Likewise.
4849 (expand_decl_cleanup): Likewise.
4850 (expand_anon_union_decl): Likewise.
4851 * toplev.c (check_global_declarations): Likewise.
4852 (rest_of_decl_compilation): Likewise.
4853 * tree.c (simple_cst_equal): Likewise.
4854 * objc/objc-act.c (generate_static_references): Likewise.
4856 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4858 * reg-stack.c (stack_result): Unconditionally use
4859 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4861 2001-03-13 Jim Wilson <wilson@redhat.com>
4863 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4864 from 80 in try_locals code.
4865 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4867 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4869 * cpp.texi (poison): Explain the macro expansion exception.
4871 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4873 * cppinternals.texi: Update for file handling.
4875 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4877 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
4878 unless anti_dependence says they are.
4879 * alias.c (objects_must_conflict): If neither has a type specified,
4882 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
4884 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
4885 before reload_cse_noop_set_p.
4887 Sat Mar 10 23:21:34 2001 kaz Kojima <kkojima@rr.iij4u.or.jp>
4889 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
4891 Sat Mar 10 23:16:16 2001 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
4893 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
4894 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
4896 Sat Mar 10 23:03:25 2001 Alexandre Oliva <aoliva@redhat.com>
4898 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
4899 if it's a record type.
4901 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
4903 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
4904 mingw includes slightly.
4906 Fri Mar 9 18:33:50 2001 Jeffrey A Law (law@cygnus.com)
4908 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
4910 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
4912 * configure: Rebuilt.
4913 * configure.in: Only use `lang_requires' for languages athat are
4916 Thu Mar 8 23:34:42 2001 Jeffrey A Law (law@cygnus.com)
4918 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
4920 Thu Mar 8 23:22:26 2001 John Wehle (john@feith.com)
4922 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4923 LO_SUM unless for_alias is set.
4925 2001-03-08 Bruce Korb <bkorb@gnu.org>
4927 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4928 wait4() can receive the signal.
4930 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4932 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
4934 * fixinc/fixincl.x: Regenerate.
4936 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4938 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
4940 * fixinc/fixincl.x: Regenerate.
4942 Thu Mar 8 19:42:08 CET 2001 Jan Hubicka <jh@suse.cz>
4944 * reg-stack.c (move_for_stack_reg): Avoid non-popint fst for
4947 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4949 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
4951 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
4953 * configure.in (enable_shared): Support per-package shared-library
4955 * configure: Rebuilt.
4957 2001-03-07 David Edelsohn <edelsohn@gnu.org>
4959 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4960 for crnot. Set operands[5] in splitter.
4962 2001-03-07 Tom Tromey <tromey@redhat.com>
4964 * configure: Rebuilt.
4965 * configure.in: Allow config-lang.in to set `lang_requires' to list
4966 of other required languages.
4968 2001-03-07 Richard Henderson <rth@redhat.com>
4970 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
4972 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
4974 * fixinc/inclhack.def (djgpp_wchar_h): New test.
4975 * fixinc/fixincl.x: Regenerated.
4977 2001-03-06 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4979 * Restore change that patch misapplied.
4980 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4981 (ix86_set_move_mem_attrs_1): Likewise.
4982 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4983 * config/i386/i386.md (movstrsi): Call it.
4985 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
4987 * config/m68k/m68k.c (const_uint32_operand): Accept any
4988 const_int on a 32-bit host.
4990 2001-03-06 Zack Weinberg <zackw@stanford.edu>
4992 * c-parse.in (yylexname): New function, split out of _yylex.
4993 (objc_rid_sans_at): New table.
4994 (init_reswords): Initialize it.
4995 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
4996 retrieving the next token and checking it for significance as
4997 an ObjC keyword or string constant.
4999 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5000 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5002 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5005 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5007 * objc/objc-act.c (init_objc): Set save_lang_status,
5008 restore_lang_status, and mark_lang_status.
5010 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5012 * cppinternals.texi: Update.
5014 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5016 * invoke.texi: Document __FAST_MATH__.
5018 2001-03-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
5020 * function.c (purge_addressof_1): Change type of function
5021 purge_addressof_1 from boolean to int. Change local variable
5022 `result' to int, and false and true to 0 and 1, respectively.
5024 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5026 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
5028 (___subdi3, ___adddi3): Use x instead of y as index register.
5029 (__init_bss_section, __map_data_section): Optimize for 68HC12.
5030 (__memset, __memcpy): Likewise.
5031 (regs): Put the soft registers in bss for 68HC12.
5032 (abort): Use trap to abort for 68hc12.
5033 (__mulhi3, __mulhi32): Use emul for 68hc12.
5034 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
5036 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5038 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
5039 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
5040 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
5041 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
5042 Set 68HC12 min offset to -65536.
5043 (print_operand): Put parenthesis arround the operand if it refers
5044 to a symbol having the same name as a register.
5045 (m68hc11_z_replacement): When z register is replaced by its
5046 equivalent soft register, force the insn to be re-recognized.
5047 (m68hc11_check_z_replacement): Fix the test when destination is
5048 the index register and z dies in the insn.
5049 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
5051 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5053 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
5054 costs according to processor variant.
5055 (m68hc11_shift_cost): New function to compute shift costs.
5056 (m68hc11_rtx_costs): Define costs according to processor variant.
5057 (m6811_cost): Costs for 68HC11.
5058 (m6812_cost): Costs for 68HC12.
5059 (COSTS_N_INSNS): Remove.
5061 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
5062 (DEFAULT_RTX_COSTS): Remove.
5063 (CONST_COSTS): Define costs according to OUTER_CODE.
5064 (processor_costs): New struct to define costs.
5065 (m68hc11_cost): Pointer to current costs.
5067 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5069 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
5070 and use m68hc11_notice_keep_cc when using leax/leay.
5071 (addhi3 split): Reject split if the insn is handled by
5073 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
5074 push must be handled in a special way if the source operand uses
5075 sp as index register.
5076 (m68hc11_notice_keep_cc): New function.
5077 (m68hc11_gen_movhi): Use it when an insn changes a register but
5079 (m68hc11_gen_movqi): Fix move for 68HC12.
5080 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
5082 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5084 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
5085 and don't pass operands[0] to emit_library_call_value.
5087 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5089 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
5090 (zero_extendsi split): Simplify and use (zero_extendhi).
5091 (*addhi3): Remove 'w' constraint since stack pointer is handled
5093 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
5094 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
5095 (*ashrhi3_const): Fix shift by 7.
5096 (*lshrsi3_const16): Fix template.
5097 (call, call_value): Fix constraint and predicate.
5099 2001-03-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5101 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
5102 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
5103 (CC_REGNUM): Likewise.
5104 (*unnamed splits): Use above constants instead of hard coded numbers.
5105 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
5106 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
5107 (*return_16bit, *unnamed peepholes): Likewise.
5109 2001-03-03 Laurynas Biveinis <lauras@softhome.net>
5111 * gcc.c (convert_filename): Append executable suffix
5112 if NO_AUTO_EXE_SUFFIX is not defined.
5113 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5114 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5117 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5119 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5120 * c-parse.gperf, c-gperf.h: Delete.
5121 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
5124 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5126 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5127 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5128 t_bool in declaration because pcc can't combine volatile with typedef
5131 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5133 * longlong.h (umul_ppmm): Don't use a multiline string.
5135 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5137 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5138 macro arguments when looking for the '('.
5139 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5140 2 when really parsing arguments; 1 when looking for '('.
5141 Always restore the lexer position.
5143 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5145 * cpplex.c (parse_string): Unconditionally pedwarn.
5147 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5150 * cppexp.c (parse_number): Update.
5151 * cpplex.c (parse_string): Pedwarn if multiline string does not
5152 result from a system header's macro.
5153 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5154 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5155 for function-like macros too.
5157 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5159 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5160 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5162 * c-format.c (C_STD_VER): Cast to int for comparisons.
5163 (check_function_format): Cast various enums to int for &.
5164 (maybe_read_dollar_number): Likewise.
5165 (check_format_info): Likewise.
5166 (check_format_info_main): Likewise.
5167 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5168 (safe_from_p): Likewise.
5169 * varasm.c (const_hash): Cast enum to int for %.
5170 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5171 pcc enum problems with < and ++ operators.
5172 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5173 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5174 (regclass_init): Change enum class to int to iterate over reg_classes.
5175 * genrecog.c (merge_trees): Cast enums for comparison.
5176 * rtl.h (GET_CODE): Cast to enum rtx_code.
5177 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5178 (GET_MODE): Cast to enum machine_mode.
5179 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5180 (GET_NOTE_INSN_NAME): Cast enum to int.
5181 * tree.h (TREE_CODE): Cast to enum tree_code.
5182 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5183 * simplify-rtx.c (hash_rtx): Cast enums to unsigned unt.
5184 * timevar.c (timevar_print): Change loop variable id from enum to
5186 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5187 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5188 * toplev.c (compile_file): Cast enum DFI to int.
5189 (decode_d_option): Likewise.
5191 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5193 * cppinit.c (append_include_chain): Mark "after" include file name list
5194 as a system directory.
5195 * cpp.texi: Document new behavior.
5197 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5199 * cpphash.h (struct cpp_reader): Add print_version field.
5200 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
5201 just set print_version and other flags as appropriate.
5202 (cpp_post_options): Print version here if print_version is set.
5204 * toplev.c (exit_after_options): New flag.
5205 (independent_decode_option): Don't exit here; just set
5207 (main): Exit after calling lang_hooks.post_options if
5208 exit_after_options is true.
5210 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
5211 (merge_include_chains): Adjust comment to match code.
5213 2001-03-01 Zack Weinberg <zackw@stanford.edu>
5215 * stringpool.c (set_identifier): New function.
5216 * tree.h: Prototype it.
5218 * c-parse.in: Kill D_YES. If compiled for objc, call
5219 save_and_forget_protocol_qualifiers from init_reswords.
5220 * objc/objc-act.c (remember_protocol_qualifiers,
5221 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
5222 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
5224 (save_and_forget_protocol_qualifiers): New function.
5225 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
5227 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5229 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
5230 * cppexp.c (lex): Cast enums for comparison.
5231 * cppinit.c (parse_option): Cast enum for comparison.
5232 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
5233 (cpp_output_token): Likewise.
5234 (cpp_can_paste): Cast enums for comparsion and plus/minus.
5235 (cpp_avoid_paste): Cast enums for minus and comparison.
5237 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
5239 * Makefile.in (resource.o): Add params.h dependence.
5240 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
5241 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
5242 * resource.c: Add dependence on params.h.
5243 (current_live_regs): Fix explanatory comment.
5244 (find_basic_block): Add new parameter to permit limiting search
5246 (mark_target_live_regs): Add new argument to find_basic_block call.
5247 (incr_ticks_for_insn): Likewise.
5249 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
5251 * Makefile.in (reorg.o): Add params.h dependence.
5252 * params.def: Fix typographical error in comment.
5253 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5254 * params.h: Modify introductory comment.
5255 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
5256 * reorg.c: Add dependence on params.h.
5257 (redundant_insn): Add parameterized throttle for search.
5258 (fill_simple_delay_slots): Add a comment explaining a variable.
5259 Move conditional out of loop, simplifying code.
5260 (fill_eager_delay_slots): Fix typographical error in comment.
5262 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5264 * Makefile.in (OBJS): Add params.o.
5266 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5268 * Makefile.in (toplev.o): Depend on params.h.
5269 (intergate.o): Likewise.
5270 (params.o): New target.
5271 * flags.h (inline_max_insns): Remove.
5272 * integrate.c: Include params.h.
5273 Use MAX_INLINE_INSNS instead of inline_max_insns.
5274 * params.c: New file.
5275 * params.h: Likewise.
5276 * params.def: Likewise.
5277 * toplev.c: Include params.h.
5278 (lang_independent_params): New variable.
5279 (decode_f_option): Use the param machinery instead of setting
5281 (independent_decode_option): Handle "--param name=value".
5282 (main): Register language-independent parameters.
5284 Thu Mar 1 09:44:15 2001 Jeffrey A Law (law@cygnus.com)
5286 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
5287 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
5289 * pa.c (emit_move_sequence): Verify operand0 is a hard register
5290 before determining its register class.
5292 2001-03-01 Bernd Schmidt <bernds@redhat.com>
5294 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
5295 from reg 4 if current_function_calls_setjmp.
5296 (ia64_sched_reorder): Move code that rotates bundles up a bit.
5298 * reload1.c (eliminate_regs_in_insn): Restrict the special case
5299 code not to try to optimize adds with anything but a REG destination.
5301 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
5302 (INSN_PRIORITY_KNOWN): New accessor macro.
5303 * haifa-sched.c (priority): Use it instead of testing priority against
5306 2001-02-28 Neil Booth <neil@daikokuya.demon.co.uk>
5308 * cppinit.c (builtin_array): Update.
5309 (init_builtins): Flag builtins to warn if redefined or
5310 undefined. Define __GXX_WEAK as a normal macro.
5311 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
5312 * cpplib.h (NODE_WARN): New flag.
5313 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
5314 Handle __STDC__ as a builtin only on Solaris.
5315 (warn_of_redefinition): Renamed from check_macro_definition.
5316 Reverse sense of test. Always warn if NODE_WARN.
5317 (_cpp_create_definition): Use warn_of_redefinition. Flag
5318 any macro beginning with "__STDC_" to require a mandatory
5319 warning if redefined or undefined.
5320 * cppinit.c (set_lang): Move builtin handling to...
5321 (init_builtins): ...here.
5322 (_cpp_create_reader): Move call to set_lang.
5323 * cppfiles.c (stack_include_file): Generate dependencies
5324 here, and manage include_count here too.
5325 (PRINT_THIS_DEP): Delete.
5326 (_cpp_execute_include): Do not generate dependencies here,
5327 apart from the case of a missing header. Do not manage
5329 (_cpp_read_file): Leave dependency generation to
5331 * cppexp.c (parse_number): Similarly.
5332 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5333 * cppmacro.c (struct cpp_macro): New member node.
5334 (parse_args): Only warn about missing rest args if not
5336 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5337 (cpp_sys_objmacro_p): New.
5338 (_cpp_create_definition): Store the node with the macro defn.
5339 Remember if the macro is defined in a system header.
5341 2001-02-28 Nathan Sidwell <nathan@codesourcery.com>
5343 * extend.texi (Deprecated Features): Deprecate float and
5344 complex template constant parms.
5346 Tue Feb 27 16:45:00 2001 Jeffrey A Law (law@cygnus.com)
5348 * pa.c (override_options): Promote -fpic to -fPIC.
5349 (legitimize_pic_address): Simplify due to removal of
5350 small PIC as a code generation option.
5351 (secondary_reload_class): Similarly.
5352 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
5353 (PRINT_OPERAND_ADDRESS): Similarly.
5354 * pa.md (various patterns): Similarly.
5355 (small pic lo_sum pattern): Remove.
5357 2001-02-27 Andreas Jaeger <aj@suse.de>
5359 * configure.in: Document that --disable-checking is default.
5360 * configure: Regenerated.
5362 2001-02-27 Mark Mitchell <mark@codesourcery.com>
5364 * configure.in: Make --disable-checking the default.
5365 * configure: Regenerated.
5367 2001-02-26 Mark Mitchell <mark@codesourcery.com>
5369 Revert the two previous changes.
5371 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5373 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
5374 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
5375 * config/i386/i386.md (movstrsi): Handle FAIL case.
5377 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5379 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
5380 (ix86_set_move_mem_attrs_1): Likewise.
5381 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
5382 * config/i386/i386.md (movstrsi): Call it.
5384 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5386 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
5387 used to set another biv.
5389 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5391 * errors.c (internal_error, trim_filename): New functions.
5392 (fancy_abort): Call internal_error.
5393 * errors.h (internal_error, trim_filename): New declarations.
5395 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
5397 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
5399 (EXTRA_CONSTRAINT): Formatting changes.
5401 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5403 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
5405 2001-02-23 Per Bothner <per@bothner.com>
5407 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
5408 so they can be called from java/jvspec.c.
5409 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
5411 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5413 * diagnostic.c (trim_filename): No longer static.
5414 * toplev.h (trim_filename): Declare.
5415 * rtl.c (rtl_check_failed_bounds): Call internal_error.
5416 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
5417 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
5418 (rtvec_check_failed_bounds): Likewise.
5419 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
5421 * convert.c (convert_to_integer): Don't do unsigned unless result or
5422 both inputs are unsigned.
5424 * fold-const.c (fold_convert): Don't call size_int_type_wide if
5427 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
5429 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
5431 2001-02-23 Jakub Jelinek <jakub@redhat.com>
5433 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
5434 check if either operand is divisible by C.
5435 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
5436 If type is signed, consider negative numbers as well.
5438 2001-02-22 Richard Henderson <rth@redhat.com>
5440 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
5441 reach .text instead of gp-relative relocs.
5442 * config/ia64/crtend.asm (.init): Likewise.
5444 2001-02-22 Andreas Jaeger <aj@suse.de>
5446 * extend.texi (C++ Attributes): Fix typo.
5448 2001-02-21 David Mosberger <davidm@hpl.hp.com>
5450 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
5451 functions, drop current_function_args_info.words test.
5452 (ia64_compute_frame_size): Mark syscall_linkage functions as
5453 using eight input registers.
5455 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
5456 Bruce Korb <bkorb@gnu.org>
5458 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
5459 * fixinc/README: Document how to convert sed substitutions
5460 to format style c_fix-es.
5461 * fixinc/fixincl.x: regen
5463 2001-02-21 Bruce Korb <bkorb@gnu.org>
5464 Rodney Brown <RodneyBrown@mynd.com>
5466 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5467 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5468 machine restrictions
5469 * fixinc/fixincl.x: regen
5471 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
5473 * cppfiles.c: Update comments.
5474 (_cpp_read_file): Don't check for NULL filenames any more.
5475 * cppinit.c (cpp_start_read): Don't do canonicalization of
5476 in_fname and out_fname. Use the passed file name exclusively.
5477 (_cpp_handle_options): Don't treat "-" as a command line option,
5478 but as a normal filename.
5479 (_cpp_post_options): Canonicalize in_fname and out_fname.
5480 * cppmain.c (printer_init): Don't check out_fname for NULL.
5481 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
5482 (init_c_lex): Update, and use "" to represent stdin to CPP.
5485 2001-02-21 Kazu Hirata <kazu@hxi.com>
5487 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
5491 Wed Feb 21 19:16:26 CET 2001 Jan Hubicka <jh@suse.cz>
5493 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
5495 2001-02-21 Jason Merrill <jason@redhat.com>
5497 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
5498 (struct tree_decl): Add uninlinable bitfield.
5499 * c-decl.c (duplicate_decls): Set it.
5500 * integrate.c (function_cannot_inline_p): Check it.
5502 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
5503 DW_AT_MIPS_linkage_name to abstract methods.
5504 (dwarf2out_abstract_function): Emit class context before calling
5505 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
5506 (gen_subprogram_die): Remove obsolete code.
5507 (gen_member_die): Don't include clones in the member list.
5508 (gen_decl_die): Emit abstract info for clone origin.
5509 * dwarfout.c (output_type): Don't include clones in the member list.
5510 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
5511 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
5512 DECL_ABSTRACT on a function that already has it set.
5514 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
5515 (get_subprogram_die): Pass it in.
5517 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
5519 * flow.c (mark_set_1): Make not_dead unsigned long. For
5520 non-pseudos, use it as a bitmask of the hard regs that
5523 2001-02-20 Will Cohen <wcohen@redhat.com>
5525 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
5526 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
5527 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
5530 2001-02-20 Mark Mitchell <mark@codesourcery.com>
5532 * stmt.c (expand_return): If an attempt is made to return the
5533 error_mar_node, treat the return like a return without a value.
5535 Mon Feb 19 20:24:50 2001 Jeffrey A Law (law@cygnus.com)
5537 * pa.c (move_operand): Accept code to load the address of a
5538 symbol out of the DLT as a valid move operand.
5539 (print_operand, case 'A'): New to handle generating a DLT
5540 reference for a LO_SUM expression.
5541 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
5542 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
5544 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
5546 * README, cpp.texi, gcc.texi: Update version number to 3.0.
5547 * cpp.1, gcov.1, gcc.1: Regenerate.
5549 2001-02-19 Richard Henderson <rth@redhat.com>
5551 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5554 Mon Feb 19 10:11:53 2001 Jeffrey A Law (law@cygnus.com)
5556 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
5557 target_cpu_default. Remove dead assignment to
5560 Mon Feb 19 16:46:56 CET 2001 Jan Hubicka <jh@suse.cz>
5562 * regclass.c (contains_reg_of_mode): Make global.
5563 (init_reg_sets): Remove contains_reg_of_mode; take into account
5564 CLASS_MAX_NREGS when looking for the proper mode.
5565 (dump_regclass): Dump only classes considered for the pseudo.
5566 (regclass): Use contains_reg_of_mode.
5568 Mon Feb 19 16:40:45 CET 2001 Jan Hubicka <jh@suse.cz>
5570 * gcc.c (do_spec_1): 'n' for printing notices.
5571 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
5573 Mon Feb 19 16:20:04 CET 2001 Jan Hubicka <jh@suse.cz>
5575 * reg-stack.c (next_flags_user): Use current_block->end
5576 (swap_rtx_condition): Look for next user if flags don't die;
5577 give up on CALL_INSNs; use current_block->end.
5579 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5581 * invoke.texi (-fsquangle): Remove documentation.
5582 (-fname-mangling-version): Likewise.
5584 2001-02-18 Kazu Hirata <kazu@hxi.com>
5586 * config/h8300/h8300.md: Update copyright.
5587 (andsi3): Do not output an extra newline character.
5589 Sun Feb 18 17:03:06 2001 Jeffrey A Law (law@cygnus.com)
5591 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
5592 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
5593 (mostlyclean): Corresponding changes.
5594 * rtlanal.c (hard-reg-set.h): Include.
5595 (rtx_unstable_p): Do not treat the argument pointer specially
5596 if it is not a fixed register.
5597 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
5599 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5601 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
5602 assignments from FP constants sonce 'Y' output code can't handle it.
5603 (eligible_for_sibcall_delay): Likewise.
5605 * invoke.texi (-I): Add note avoiding use for system header files.
5607 * final.c (output_operand_lossage): Use internal_error, not error.
5609 2001-02-18 Shane Nay <shane@agendacomputing.com>
5611 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5612 structure shift insns.
5614 2001-02-18 Richard Henderson <rth@redhat.com>
5616 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5618 * reload1.c (reload_cse_simplify_set): Fix typo.
5620 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5622 * diagnostic.c (_fatal_insn): Decrement errorcount.
5624 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5626 * pa.c (hppa_expand_prologue): Simplify code storing return
5627 pointer. For large (>=8k) frames with a post_store, adjust stack
5628 pointer by 8k-64 first rather than by 64. When testing with
5629 VAL_14_BITS_P, always use the actual value rather than the value
5630 negated. Add blockage to prevent scheduling of spills before
5631 stack frame has been created.
5632 (hppa_expand_epilogue): Simplify code loading return pointer.
5633 Allow a slightly larger range for merge_sp_adjust_with_load case.
5634 When testing with VAL_14_BITS_P, always use the actual value.
5636 * pa.c (pa_adjust_insn_length): Check that block move
5637 pattern is a set before looking at operands.
5639 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5641 * fold-const.c (fold_binary_op_with_conditional_arg): New
5642 function, split out from ...
5644 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5645 conditional arms that throw exceptions.
5647 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5650 2001-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5652 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5653 define HAVE_DECL_* to 1 to mask potential backup declarations.
5654 * configure: Regenerated.
5656 2001-02-17 Richard Henderson <rth@redhat.com>
5658 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5659 when replacing a memory load with a register.
5661 2001-02-17 Joseph S. Myers <jsm28@cam.ac.uk>
5663 * gcc.texi, invoke.texi: Link to GCC 3.0 version of
5666 2001-02-16 Richard Henderson <rth@redhat.com>
5667 DJ Delorie <dj@redhat.com>
5669 * jump.c (jump_optimize_1): When we delete a conditional jump
5670 preceeding a non-conditional jump to effectively the same place,
5671 make sure that the combined jump skips any clobber insns between
5674 2001-02-16 Jason Merrill <jason@redhat.com>
5676 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5678 (gen_subprogram_die): Don't abort on seeing a second definition if
5679 the previous one was abstract. Don't replace an abstract instance
5680 in the lookup table.
5682 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5683 gen_abstract_function.
5684 * dwarf2out.h: Declare it.
5685 * toplev.c (note_outlining_of_inline_function): New fn.
5686 * toplev.h: Declare it.
5687 * integrate.c (output_inline_function): Call it.
5688 * c-decl.c (duplicate_decls): Call it when redefining an extern
5689 inline. Don't inline the new defn.
5691 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5693 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5695 * objc/objc-act.c (start_class): Register implemented_classes with
5698 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5700 * cppfiles.c (_cpp_make_system_header): Generate a file
5703 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5705 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5707 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5710 2001-02-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5712 * version.c: Bump to "3.0 20010215 (prerelease)".
5714 Thu Feb 15 15:15:29 2001 Alexandre Oliva <aoliva@redhat.com>
5716 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5718 Thu Feb 15 00:20:31 CET 2001 Jan Hubicka <jh@suse.cz>
5720 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5722 * invoke.texi (-mreg-alloc): Deprecate.
5724 2001-02-14 Richard Henderson <rth@redhat.com>
5726 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5728 Wed Feb 14 23:35:57 CET 2001 Jan Hubicka <jh@suse.cz>
5730 * regclass.c (init_reg_sets_1): Reinstall the optimization
5731 together with Matt Kraai's fix.
5733 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5735 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5737 2001-02-14 Richard Henderson <rth@redhat.com>
5739 * regclass.c (init_reg_sets_1): Revert last change.
5741 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
5743 * extend.texi (Deprecated): Deprecate new initializer lists.
5745 2001-02-14 Nathan Sidwell <nathan@codesourcery.com>
5747 * mkdeps.c (deps_add_default_target): Robustify. Add
5748 basename component only.
5749 * cpp.texi (-M): Describe how default target is generated.
5750 * invoke.texi (-M): Likewise.
5752 2001-02-13 Zack Weinberg <zack@wolery.stanford.edu>
5754 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
5756 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
5757 * ggc.h (ggc_mark_if_gcable): Delete prototype.
5759 Wed Feb 14 01:03:14 CET 2001 Jan Hubicka <jh@suse.cz>
5761 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5764 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5766 * config/sparc/sparc.c (function_value): Treat all non-record
5767 aggregate types like used to treat UNION_TYPE.
5769 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5771 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5772 (try_combine): Use it.
5774 2001-02-13 Richard Henderson <rth@redhat.com>
5776 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5777 entire operator; replicate that and match_dup the operands.
5778 (cmp_ccx_arith_op_set): Likewise.
5779 (cmp_cc_arith_op_not_set): Likewise.
5780 (cmp_ccx_arith_op_not_set): Likewise.
5782 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5784 * c-common.c (constant_fits_type_p): New function.
5785 (convert_and_check): Use it.
5787 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5789 * Makefile.in (GXX_ABI_FLAG): Don't define.
5790 * configure.in (--enable-new-gxx-abi): Remove option.
5791 * config.in: Regenerated.
5792 * configure: Likewise.
5794 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5796 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5798 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5799 regular basic block, and arrange for all edges into it to switch
5802 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5804 * Makefile.in (distclean): Do not remove .gdbinit.
5806 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5808 * Makefile.in (gcc.o): Fix typos.
5809 (protize.o): Likewise.
5810 (unprotoize.o): Likewise.
5812 2001-02-11 Richard Henderson <rth@redhat.com>
5814 * tree.c (build1): Check for null operand in last change.
5816 2001-02-11 Richard Henderson <rth@redhat.com>
5818 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5819 (fold): Don't assume a constant isn't foldable.
5820 * tree.c (build): Set TREE_CONSTANT for an expression with no
5821 side-effects and constant operands.
5824 2001-02-10 Richard Henderson <rth@redhat.com>
5826 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5828 2001-02-10 Anthony Green <green@redhat.com>
5830 * cpp.texi (Standard Predefined): Add documentation for
5833 * c-common.c (combine_strings): Improve warning message.
5835 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5837 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5839 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5841 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5843 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5846 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5848 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5851 2001-02-09 Nick Clifton <nickc@redhat.com>
5853 * config/arm/arm.md: Change output contraint on post inc
5854 load/store multiple patterns to be a read/write contraint.
5856 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5858 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5859 .o files when using the -M options.
5861 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5862 David Edelsohn <edelsohn@gnu.org>
5864 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5865 handle DImode constants. Use one TOC entry for SImode and smaller
5866 constants, aligned properly.
5868 2001-02-08 Jason Merrill <jason@redhat.com>
5870 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5871 about the SP adjustment for saving the static chain pointer.
5872 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5873 offset when setting a temporary CFA register.
5875 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5877 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5878 powerpc-*-chorusos* .
5879 * config/rs6000/chorus.h : New file.
5880 * config/i386/chorus.h : New file.
5881 * config/sparc/chorus.h : New file.
5882 * config/sparc/t-chorus-elf : New file.
5884 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5886 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5887 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5888 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5889 (__WCHAR_TYPE__): Correct macro name.
5891 2001-02-08 Richard Henderson <rth@redhat.com>
5893 * config/i386/i386.c (ix86_frame_pointer_required): New.
5894 (ix86_setup_frame_addresses): New.
5895 (struct machine_funciton): Add accesses_prev_frame.
5896 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5897 ix86_frame_pointer_required.
5898 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5899 (SETUP_FRAME_ADDRESSES): New.
5900 * config/i386/i386-protos.h: Update.
5901 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5902 from FRAME_POINTER_REQUIRED.
5903 * config/i386/svr3gas.h: Likewise.
5904 * config/i386/sysv3.h: Likewise.
5905 * config/i386/v3gas.h: Likewise.
5907 2001-02-08 Richard Henderson <rth@redhat.com>
5909 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5910 calculation of the number of integer registers required.
5911 (function_arg_record_value): Likewise.
5913 2001-02-08 Jason Merrill <jason@redhat.com>
5915 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5916 two. Print file and line with "confused" message.
5918 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5920 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5922 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5924 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5926 * final.c (cleanup_subreg_operands): The address of a MEM can
5929 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5932 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5934 * gcc.texi (Incompatibilities): Update documentation of
5935 preprocessing numbers.
5937 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5939 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5941 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5943 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5945 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5946 * gcc.c (struct compiler): Add cpp_spec field.
5947 (input_file_compiler): New variable.
5948 (do_spec_1): Allow a particular compiler to handle `%C'
5950 (main): Store the current compiler in input_file_compiler.
5951 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5953 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5955 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5956 * cppinit.c (cpp_create_reader): Initialize them.
5957 (append_include_chain): cxx_aware arg might be unused.
5958 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5959 keywords and give them their phase 7 meaning. Pedwarn about
5960 this unless '__bool_true_false_are_defined' is defined.
5962 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5964 * lcm.c (optimize_mode_switching): Emit mode_set before the
5965 JUMP_INSN of an abnormal edge.
5967 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5969 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5970 a scheduling barrier at the end.
5972 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5974 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5976 * config/sh/sh.md (reload_outsf): Removed.
5977 (movsf_ie): Introduce constraints for FPUL loads and stores.
5978 (reload_insf): Broaden the output constraint.
5980 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5982 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5983 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5985 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5987 * final.c: Revert my previous changes.
5988 * output.h: Make profile_label_no extern.
5989 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5990 for generating label.
5992 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5994 * config/i386/djgpp.h: Add comments about standard paths.
5995 (MD_EXEC_PREFIX): Undefine before defining.
5996 (MD_STARTFILE_PREFIX): New.
5998 2001-01-30 Bruce Korb <bkorb@gnu.org>
6000 fixinc/fixincl.c(process): Emit error message only if appropriate :)
6001 (load_file): do not rely on load_file_data() to close file pointer
6002 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
6003 fixinc/inclhack.def(irix_limits_const): add test_text
6005 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6007 * cppexp.c (parse_defined): Improve diagnostics for invalid
6010 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
6012 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
6014 2001-02-06 Mark Mitchell <mark@codesourcery.com>
6016 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
6017 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
6018 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
6019 (rs6000_output_symbol_ref): New function.
6020 (output_toc): Use VTABLE_NAME_P.
6022 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6024 * print-tree.c (print_node, case PARM_DECL):
6025 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
6027 * stor-layout.c (reference_types_internal): New variable.
6028 (internal_reference_types): New function.
6029 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
6030 * tree.h (internal_reference_types): New declaration.
6032 * cse.c (find_best_addr): Fix typo in computing cost.
6034 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6036 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
6037 and this is the sum of a pointer and a constant, we know the result
6039 (num_sign_bit_copies, case PLUS): Likewise.
6040 * explow.c (convert_memory_address): Remove opposite SUBREG.
6041 * function.c (instantiate_new_reg): New function (from common code).
6042 (instantiate_virtual_regs_1): Call it.
6043 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
6044 if pointers sign- or zero-extend.
6045 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
6046 If pointers extend unsigned, use inside of SUBREG.
6047 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
6049 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
6051 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
6052 subdir of gcc_gxx_include_dir.
6053 (gcc_gxx_target_include_dir): Remove.
6055 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
6057 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
6058 (dwarf2out_frame_debug_expr): Revise introductory comments to add
6059 a high-level description.
6061 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
6063 * final.c: Move the declaration of profile_label_no to ...
6064 * output.h: ... here.
6065 * function.c (expand_function_start): Call PROFILE_HOOK.
6066 * config/rs6000/aix.h: Define PROFILE_HOOK.
6067 * config/rs6000/rs6000-protos.h: output_profile_hook new.
6068 * config/rs6000/rs6000.c (output_profile_hook): Define.
6069 (output_prolog): Do nothing for ABI_AIX as it is taken care by
6070 output_profile_hook.
6071 tm.texi : Explain new macro PROFILE_HOOK.
6073 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
6075 * extend.texi (Extended Asm): Do not say that semicolon is always
6076 a valid line-breaking character for GNU assemblers. Use
6077 newline-tab as the most commonly supported syntax. Use
6078 newline-tab rather than semicolon in multi-insn examples.
6080 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6082 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
6084 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6085 David Edelsohn <edelsohn@gnu.org>
6087 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
6088 code for AIX, even without flag_pic.
6090 2001-02-05 Jakub Jelinek <jakub@redhat.com>
6092 * c-typeck.c (common_type): push and pop binding level around
6093 calling common_type on function parameters.
6095 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
6097 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
6099 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6101 * config/mips/mips.c (override_options): Fix typo in last change.
6102 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
6103 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
6105 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
6107 * invoke.texi (-fdump-class-layout): Document.
6108 (-fdump-translation-unit): Use `=' as filename separator.
6110 2001-02-05 Mark Mitchell <mark@codesourcery.com>
6112 * Makefile.in (s-mlib): Don't build multilibs if
6114 (DRIVER_DEFINES): Adjust accordingly.
6116 (protoize.o): Likewise.
6117 (unprotoize.o): Likewise.
6118 * configure.in: Recognize --enable-multilib.
6120 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6122 * Makefile.in (DRIVER_DEFINES): Fix quoting.
6124 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
6125 * configure.in: Remove --enable-libstdcxx_v3 support.
6126 * configure: Regenerated.
6128 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6130 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
6131 Call abort instead of fatal.
6132 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
6133 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
6134 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
6135 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
6136 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
6137 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
6139 * diagnostic.h (set_internal_error_function): Renamed.
6140 * toplev.h (internal_error): Renamed from fatal.
6141 (pfatal_with_name): Deleted.
6142 (fatal_io_error): Now has printf-style arguments.
6143 * diagnostic.c (pfatal_with_name): Deleted.
6144 (fatal_io_error): Rework to have args in printf-style.
6145 (set_internal_error_function): Renamed from set_fatal_function.
6146 (internal_error): Renamed from fatal.
6147 (error_recursion, fancy_abort): Call internal_error instead of fatal.
6148 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
6149 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
6150 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
6151 * flow.c (verify_flow_info): Likewise.
6152 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
6153 * config/mips/mips.c (save_restore_insns): Likewise.
6155 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
6156 * flow.c (verify_flow_info): Likewise.
6157 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
6158 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
6159 (avr_normalize_condition): Likewise.
6160 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
6161 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
6162 (limit_reload_class, double_reg_to_memory): Likewise.
6163 (print_operand_address, emit_1600_code_shift): Likewise.
6164 (gen_tst_reg, gen_compare_reg): Likewise.
6165 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
6166 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
6168 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
6170 * c-parse.in (methoddef): Call fatal_error instead of fatal.
6171 * objc/objc-act.c (build_ivar_chain): Likewise.
6172 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
6174 * graph.c (clean_graph_dump_file): Likewise.
6175 * profile.c (init_branch_prob): Likewise.
6176 * objc/objc-act.c (objc_init): Likewise.
6178 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
6179 * config/avr/avr.c (avr_override_options): Likewise.
6180 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
6181 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
6182 * config/h8300/h8300.c (h8300_init_once): Likewise.
6183 * config/mips/mips.c (override_options): Likewise.
6184 * config/i386/i386.c (override_options): Likewise, rework.
6185 * config/m68k/m68k.c (override_options): Likewise.
6187 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
6189 * config/mips/mips.c (print_operand): Likewise.
6190 * hash.c (hash_allocate): Don't check for failure returns from
6191 obstack functions that can't fail.
6192 (hash_table_init_n, hash_table_init): Likewise; also now return void.
6193 * hash.h (hash_table_init_n, hash_table_init): Now return void.
6194 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
6195 (get_object_reference): Likewise.
6197 2001-02-04 Nick Clifton <nickc@redhat.com>
6199 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
6200 StrongARM1110, 10TDMI, and 1020T.
6202 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6204 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
6206 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
6208 * config/sh/sh.md (movdf load split): Pass register number to
6209 FP_OR_XD_REGISTER_P.
6211 2001-02-04 Mark Mitchell <mark@codesourcery.com>
6213 * cppinit.c (BC): New macro.
6214 (builtin_array): Add __GXX_WEAK__.
6215 * cpplib.h (builtin_type): Add BT_WEAK.
6216 * cppmacro.c (builtin_macro): Handle BT_WEAK.
6217 * defaults.h (SUPPORTS_ONE_ONLY): Define.
6218 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
6220 2001-02-03 Jakub Jelinek <jakub@redhat.com>
6222 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
6224 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6226 * cpphash.h: Rename _ALIGN POOL_ALIGN.
6227 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6229 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
6231 * cpphash.h: Rename ALIGN _ALIGN.
6232 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6234 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6236 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6237 compilation environment.
6238 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6239 control over location of cygwin includes and libs.
6241 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6243 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6245 2001-02-02 lars brinkhoff <lars@nocrew.org>
6247 * md.texi (Standard Names): remove reference to spur.md.
6249 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6251 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6252 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6253 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6254 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6255 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6257 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6259 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6260 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6261 number before reload.
6262 (c4x_adjust_cost): Return zero before reload.
6263 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6264 split before reload.
6266 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6268 * c4x.c (c4x_hard_regno_rename_ok): New.
6269 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6270 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6272 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6274 * diagnostic.h: Add missing "extern" in all declarations.
6276 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6278 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6279 as for gcc_gxx_include_dir.
6281 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6283 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6285 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6287 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6288 label before alignment to be used as the braf base address.
6289 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6291 (casesi_jump_2): Require at least TARGET_SH2.
6293 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6294 truncation to 32-bit doubles on -m3e and -m4-single-only.
6296 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6298 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6299 the default when building a shared object.
6300 (init_spec): Use it.
6301 * testsuite/lib/g++.exp: Include the directory where libgcc
6302 is located to the LD_LIBRARY_PATH list.
6303 * invoke.texi (-shared-libgcc): Document the cases in which
6304 GCC defaults to using the shared libgcc.
6306 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6308 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6309 unsigned is wide enough.
6311 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6312 (si_to_float): Likewise.
6313 (float_to_si, float_to_usi): Use BITS_PER_SI.
6315 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6317 * dwarf2out.c: Added explanation of abbreviations.
6318 (def_cfa_1): Added comments listing DWARF2 instructions.
6319 (cfa_temp_reg): Removed in favor of cfa_temp.
6320 (cfa_temp_value): Removed in favor of cfa_temp.
6321 (cfa_temp): New global variable.
6322 (dwarf2out_frame_debug_expr): Added extensive introductory
6323 comments explaining the function's transformations. Revised to
6324 use cfa_temp. Added some rtx checking. Generalize IOR case.
6325 (dwarf2out_frame_debug): Revised to use cfa_temp.
6326 (output_aranges): Cast as "unsigned" to avoid warning.
6327 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6328 explain which instructions must be marked.
6330 2001-02-01 Richard Henderson <rth@redhat.com>
6332 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6335 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6337 * config/sh/crt1.asm (main_k): Modified so that start calls
6338 ___setup_argv_and_call_main.
6340 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6342 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6343 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6344 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6345 * cppmacro.c (builtin_macro): Set builtin flags here.
6346 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6347 (replace_args): Clarify intent.
6348 (cpp_get_token): Macro expansion tokens get the saved flags.
6350 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6353 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6355 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6358 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6360 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6361 returns Pmode pseudo, but we need ptr_mode.
6362 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6363 Remove bogus conversions; use HOST_WIDE_INT for size.
6364 Don't use TARGET if wrong mode.
6366 * config/i386/i386.c (ix86_compute_frame_size): Allow
6367 stack_alignment_needed to be non-default even if size is zero.
6369 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6371 * (hppa_init_pic_save): Emit the pic offset table
6372 reg save after last_parm_insn.
6373 * pa.c (hppa_init_pic_save): New function.
6374 * pa.h (hppa_init_pic_save): Declare.
6375 * pa.md (call, call_value, sibcall, sibcall_value): Use
6376 the above instead of duplicated code.
6378 * pa.c (hppa_encode_label): Correct size of alloca buffer
6379 so we don't overrun it. Correct leading `*' case.
6380 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6381 need to handle `*@'.
6382 (FUNCTION_NAME_P): Likewise.
6384 2001-01-31 Richard Henderson <rth@redhat.com>
6386 * config.gcc (alpha-osf5): Use float-i128.h.
6388 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6389 * config/float-i32.h: Likewise.
6390 * config/float-i64.h: Likewise.
6391 * config/float-sh.h: Likewise.
6392 * config/float-sparc.h: Likewise.
6394 2001-01-31 DJ Delorie <dj@redhat.com>
6396 * expmed.c (extract_bit_field): allow non-integral modes if we
6397 want to extract a whole register from itself.
6399 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6401 * c-typeck.c (set_init_index): If first is equal to last, assume as
6402 if it was not a range at all.
6404 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6406 * config/fp-bit.c: Include tm.h.
6407 (float_to_si): Don't assume SImode is 32-bits wide.
6408 (float_to_usi): Likewise.
6410 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6412 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6414 (typename): Call pending_xref_error after parsing typed_typespecs.
6415 * c-decl.c (lookup_tag): Give error immediately rather than
6416 leaving it pending if the tag of the wrong type is in the same
6418 (xref_tag): Don't pedwarn for forward declarations of enum types
6420 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6423 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6425 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6427 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6429 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6430 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6432 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6434 * cpphash.h (struct cpp_reader): New saved_flags.
6435 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6436 to avoid a paste after a pasted token.
6438 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6440 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6441 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6442 Wtype_MIN instead of LONG_MIN.
6444 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6446 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6448 * fixinc/fixincl.x: Regenerated.
6449 * fixinc/inclhack.def (irix_limits_const): New definition to
6450 convert "const" to "__const" in limits.h.
6452 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6454 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6456 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6458 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6459 when register dies in the insn.
6461 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6463 * diagnostic.c (fatal): Fix word wrap.
6465 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6467 * combine.c (try_combine): Fix SUBREG setting for
6468 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6470 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6472 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6475 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6477 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6479 * toplev.c (decode_W_option): Update warn_larger_than
6480 unconditionally for each processed switch.
6482 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6484 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6486 (hppa_expand_prologue): Delete code to save pic offset table register
6487 in the function prologue.
6488 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6489 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6490 table register at the beginning of the function after the prologue.
6492 2001-01-29 lars brinkhoff <lars@nocrew.org>
6494 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6496 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6497 Jeff Law <law@redhat.com>
6499 * pa.md (return): Revise comment for trivial return.
6500 (return_internal): Non-trivial return pattern for non-PIC code.
6501 (return_internal_pic): Non-trivial return pattern for PIC code.
6502 It uses the PIC register to ensure it is restored after
6504 (epilogue): Generate appropriate return for PIC and non-PIC code.
6506 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6508 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6510 2001-01-29 DJ Delorie <dj@redhat.com>
6512 * combine.c (if_then_else_cond): Pass the correct mode to
6513 operand_subword() for constants.
6515 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6517 * config/i386/cygwin.h: Add w32api to include search. Search different
6518 directories in a cross-build environment.
6520 2001-11-29 Tim Josling <tej@melbpc.org.au>
6522 * tree.h (TYPE_STUB_DECL): Add documentation.
6524 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6526 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6527 (sdbout_field_types): Likwise. Fix use of host_integerp.
6529 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6531 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6534 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6536 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6537 to use flag_gnu_linker.
6539 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6541 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6542 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6544 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6546 * tree.c, tree.h (build_parse_node): Remove; was identical to
6548 * c-lang.c (start_cdtor), objc/objc-act.c
6549 (build_module_descriptor): Use build_nt instead of
6552 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6554 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6555 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6556 not have any upper bits set.
6558 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6560 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6562 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6564 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6566 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6568 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6569 (integer_minus_one_node): Define.
6571 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6573 * Makefile.in (bootstrap2-lean): Fix typo.
6575 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6577 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6578 : Don't set fe_value.
6579 * cpplib.h (AVOID_LPASTE): New flag.
6580 (struct cpp_hashnode): Remove fe_value.
6581 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6582 * cppmacro.c (builtin_macro): Don't set flags here.
6583 (replace_args): Set AVOID_LPASTE flag on first token of an
6584 argument, and the token following it.
6585 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6586 macro expansion, and on the token following it. Do it for
6588 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6590 2001-01-27 Richard Henderson <rth@redhat.com>
6592 * config/alpha/t-ieee: Remove multilibbing.
6593 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6595 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6597 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6599 * Makefile.in: Remove all dependencies on defaults.h.
6600 * builtins.c: Don't include defaults.h.
6601 * c-common.c: Likewise.
6602 * c-decl.c: Likewise.
6603 * c-pragma.c: Likewise.
6604 * c-typeck.c: Likewise.
6605 * combine.c: Likewise.
6607 * frame-ia64.c: Likewise.
6608 * cppexp.c: Likewise.
6609 * crtstuff.c: Likewise.
6610 * dbxout.c: Likewise.
6611 * dwarf2out.c: Likewise.
6612 * dwarfout.c: Likewise.
6613 * emit-rtl.c: Likewise.
6614 * except.c: Likewise.
6616 * final.c: Likewise.
6617 * frame-dwarf2.c: Likewise.
6618 * libgcc2.c: Likewise.
6619 * optabs.c: Likewise.
6620 * profile.c: Likewise.
6621 * sdbout.c: Likewise.
6622 * toplev.c: Likewise.
6623 * tradcif.y: Likewise.
6625 * varasm.c: Likewise.
6627 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6629 * builtins.c (expand_builtin_fputs): Use size_one_node when
6630 transforming into fwrite.
6632 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6634 * extend.texi (Attribute Syntax): New section.
6636 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6638 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6639 they didn't need fixing.
6641 2001-01-27 Janis Johnson <janis@us.ibm.com>
6643 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6645 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6646 to remove macro definitions that are duplicated from elfos.h.
6648 2001-01-27 Richard Henderson <rth@redhat.com>
6650 * config/i386/sco5gas.h: Move ...
6651 * config/usegas.h: ... here.
6652 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6654 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6656 * c-typeck.c (struct constructor_stack): Add range_stack member.
6657 (really_start_incremental_init): Clear it.
6658 (push_init_level): Save constructor_range_stack and clear it if
6659 pushing explicit braces.
6660 (pop_init_level): abort if constructor_range_stack is non-zero at
6661 explicit closing brace. Restore saved constructor_range_stack if
6664 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6666 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6667 into register was forced into memory.
6669 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6671 * Makefile.in: Remove uses of + before $(MAKE).
6673 2001-01-26 Richard Henderson <rth@redhat.com>
6675 * stmt.c (cost_table): Remove.
6676 (COST_TABLE, cost_table_initialized): New.
6677 (estimate_case_costs): Use the later instead of the former.
6678 (balance_case_nodes): Likewise.
6680 2001-01-26 Richard Henderson <rth@redhat.com>
6682 * alias.c (objects_must_conflict_p): Read-only slots may not
6683 conflict despite having the same type.
6685 2001-01-27 Michael Hayes <mhayes@redhat.com>
6687 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6689 (check_ext_dependant_givs): Initialise u_start_val and
6691 (load_mems): Make last_max_reg unsigned.
6692 (try_swap_copy_prop): Use INSN_P and initialise set.
6694 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6696 * README.AVR : Removed.
6698 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6700 * pa-64.h (text_section): Remove declaration.
6702 * pa.md (return_internal): Remove mode on PIC register use.
6704 2001-01-25 lars brinkhoff <lars@nocrew.org>
6706 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6707 ASM_CLOSE_PAREN): fix typos.
6709 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6711 * acconfig.h: Define `const' to the empty string if neither
6712 __STDC__ nor __cplusplus is defined.
6713 * config.in: Regenerated.
6715 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6717 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6718 * collect2.c (main): Delete importf. Add ".obj" file extension.
6719 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6720 (aix_std_libs): Add additional AIX libraries to skip.
6721 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6722 * config/rs6000/aix51.h: New file.
6724 2001-01-25 Michael Hayes <mhayes@redhat.com>
6726 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6727 (loop_insn_emit_before): No longer static.
6728 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6729 (loop_givs_rescan, load_mems): Likewise.
6730 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6731 (maybe_eliminate_biv_1):
6732 (move_movables): Replace emit_call_insn_before with
6733 loop_call_insn_hoist.
6734 * loop.h (loop_insn_emit_before): Add.
6735 * unroll.c (copy_loop_body): Replace emit_insn_before with
6736 loop_insn_emit_before.
6738 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6740 * diagnostic.c (fatal): Request preprocessed source.
6742 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6744 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6745 olddecl has argument types and newdecl has none, use the argument
6748 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6750 * dwarf2out.c (prefix_of): New function. Determine longest common
6751 prefix of the two arguments. The units are whole path components.
6752 (output_file_names): When adding a new directory find the one entry
6753 with the longest common prefix already in the list. Artificially
6754 generate entry if there is none for this prefix.
6755 Fix test to check whether the zeroth directory entry is used.
6757 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6759 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6760 Changed all callers. Take it into account when deciding if a
6761 previously loaded value matches.
6763 2001-01-24 Richard Henderson <rth@redhat.com>
6765 * reload.c (find_reloads_subreg_address): Fail the substitution
6766 if the resulting address is insufficiently aligned.
6768 2001-01-24 DJ Delorie <dj@redhat.com>
6770 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6771 check the original operand's mode also.
6772 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6774 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6776 * c-parse.in (cast_expr): Move compound literals from here ...
6777 (primary): ... to here. Use standard terminology "compound
6778 literal" instead of "constructor expression".
6780 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6782 * gcc.1, cpp.1: Regenerate.
6784 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6786 * calls.c (emit_library_call_value_1): Memory slot for
6787 pass-by-reference argument should have the mode of the argument,
6788 not of the pointer to it.
6790 2001-01-24 Tom Tromey <tromey@redhat.com>
6792 * gcc.texi (G++ and GCC): Mention gcj manual.
6793 (Standards): Link to section of manual mentioning gcj/Java
6796 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6798 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6799 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6800 * tradcpp.c (main): Add -imacros or -include'd dependencies
6802 * cpp.texi (-M, -MM): Document -M -include behaviour.
6804 2001-01-24 Roger Collins <roger@ProProject.com>
6806 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6808 2001-01-24 Will Cohen <wcohen@redhat.com>
6810 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6811 whether registers are 32 bits or 64 bits in size.
6813 2001-01-24 Ben Elliston <bje@redhat.com>
6815 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6817 2001-01-24 Richard Henderson <rth@redhat.com>
6819 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6820 (builtin_longjmp): Use it instead of emit_indirect_jump.
6822 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6824 * bb-reorder.c (make_reorder_chain_1): Handle case where
6825 jump edge goes to the same block as the fallthru edge.
6827 2001-01-23 Jim Wilson <wilson@redhat.com>
6829 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6830 * frame.h (__ia64_personality_v1): Add prototype.
6831 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6832 prototype form. Add void * cast to first argument to personality
6834 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6835 (asctoe113): Likewise.
6836 * config/ia64/frame-ia64.c: Include eh-common.h.
6837 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6839 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6841 (itanium_split_issue): Add prototype.
6842 (gen_nop_type): Ifdef out.
6843 (find_best_packet): Initialize best_packet.
6844 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6846 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6847 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6848 (flushrs): Add explicit stop bit at end.
6849 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6852 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6854 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6856 * libgcc2.c (__terminate_func): Make variable static.
6857 (__terminate_set_func): New function to set __terminate_func.
6858 * libgcc2.h (__terminate_func_ptr): New typedef.
6859 (__terminate_set_func): New function.
6861 2001-01-23 Richard Henderson <rth@redhat.com>
6863 * flow.c (init_propagate_block_info): Don't consider unchanging
6864 memories for dead frame store elimination.
6866 2001-01-23 Richard Henderson <rth@redhat.com>
6868 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6869 * defaults.h: ... here.
6871 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6873 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6875 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6877 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6879 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6881 * rs6000.h (rs6000_return_addr): Move prototype from here...
6882 * rs6000-protos.h (rs6000_return_addr): ...to here.
6883 (rs6000_init_expanders): Delete prototype.
6885 2001-01-23 Nick Clifton <nickc@redhat.com>
6887 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6888 (Spec Files): Document %B and %j and %. and %v3 and %M and
6889 %{S*&T} spec switches.
6891 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6893 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6895 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6896 Neil Booth <neil@daikokuya.demon.co.uk>
6898 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6899 Have -Werror make pedantic warnings errors, like the
6902 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6904 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6906 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6908 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6909 * integrate.c (expand_inline_function): Initialize them.
6910 (subst_constants): If changing COMPARE so that both its arguments
6911 will be VOIDmode and the comparison mode will be lost, note
6912 compare_mode. Use the recorded compare_mode to optimize
6915 2001-01-23 Jason Merrill <jason@redhat.com>
6917 * dwarf2out.c (new_die): Use xcalloc.
6918 (output_die): Abort rather than emit a local reference to offset 0.
6920 2001-01-17 Andrew Haley <aph@redhat.com>
6922 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6923 of a saved register; return NULL instead.
6924 (copy_reg): Take a pointer to a source register rather than a
6926 (next_stack_level): Remember the address in the stack frame of all
6928 Use the saved register pointer array as the source of the CFA.
6929 (throw_helper): Rewrite. Unwind once rather than twice and keep
6930 track of saved registers as we go.
6932 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6934 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6935 * c4x.c (c4x_legitimize_reload_address): Remove.
6936 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6937 reload address for ldp(k) insn.
6939 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6941 * pa.md (return_internal): Add a USE of the PIC register to ensure
6942 it is restored after each call.
6943 (return expander): Corresponding changes.
6945 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6947 * rs6000.h (INIT_EXPANDERS): Delete.
6948 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6949 * rs6000.c (rs6000_override_options): Call *_machine_status from
6951 (rs6000_init_expanders): ...instead of here. Delete.
6952 (rs6000_mark_machine_status): New function.
6953 (rs6000_init_machine_status): Use xcalloc.
6954 (rs6000_return_addr): Generate RTX for the return address.
6955 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6956 (rs6000_stack_info): Use it.
6958 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6960 * gthr-win32.h: Include errno.h to get a declaration for
6961 EINVAL and _mingw.h if the target is mingw32.
6963 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6965 * cpp.texi: Correct typos.
6967 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6969 * explow.c (probe_stack_range): Ensure value passed to
6970 stack_check_libfunc is ptr_mode, not Pmode.
6972 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6974 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6975 case, don't use operand_subword to calculate a SUBREG that is
6978 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6980 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6982 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6983 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6984 valid. If not replace it by equivalent insns.
6986 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6988 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6989 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6990 (c4x_U_constraint, symbolic_address_operand): Likewise.
6991 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6993 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6994 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6995 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6996 anulling slot because of silicon bug.
6997 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6999 2001-01-22 Alan Modra <alan@linuxcare.com.au>
7001 * cppexp.c (parse_charconst): Change `mask' type to agree
7004 2001-01-21 Richard Henderson <rth@redhat.com>
7006 * config/i386/i386.c (ix86_asm_file_end): Disable putting
7007 pic_label_name in a linkonce section.
7009 2001-01-17 Philipp Thomas <pthomas@suse.de>
7011 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
7013 * configure: Regenerate.
7015 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
7017 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
7018 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
7020 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
7022 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
7023 If REVERSE nonzero then condition code in X must be reversed.
7024 (encode_section_info): Optimise if/else.
7025 (avr_function_value): Fix formatting.
7027 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
7028 (difficult_branch): Likewise.
7029 (rvbranch): Likewise.
7030 (difficult_rvbranch): Likewise.
7032 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
7034 * config/avr/libgcc.S: Fix comment.
7036 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7038 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
7040 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7042 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
7044 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
7046 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
7047 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
7048 * configure, config.in: Regenerate.
7049 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
7050 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
7051 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
7052 (doprint.o): New rule.
7054 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
7056 * c-typeck.c (digest_init): Handle boolean types as scalars.
7058 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7060 * stmt.c (expand_return): Don't return anything if size is zero.
7061 Delete redundant assignment to BYTES.
7062 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
7064 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
7066 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
7067 the same as the default library function names.
7068 * config/avr/avr.md: Document special characters after '%'.
7069 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
7070 knowing which of the call-used registers are really clobbered.
7071 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
7072 New. Both quotient and remainder from one libgcc.S call.
7073 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
7074 clobber as few registers as possible.
7075 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
7077 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
7079 * cppmacro.c (funlike_invocation_p): Don't move back up to the
7080 context of the top of the stack.
7082 2001-01-20 Jakub Jelinek <jakub@redhat.com>
7084 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
7085 (fixup_var_refs_insns): ...here.
7087 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
7089 * function.c (fixup_var_refs_insns): Break up into
7090 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
7091 [loop over entire insn list], and fixup_var_refs_insns_with_hash
7092 [loop over hash table entries].
7093 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
7094 fixup_var_refs_insns_with_hash, to match above changes.
7096 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
7098 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
7099 (libgcc.a): Likewise.
7100 (stmp-multilib): Likewise.
7101 (STAGE2_FLAGS_TO_PASS): Likewise.
7103 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
7105 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
7106 temporary if no_new_pseudos.
7108 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
7110 * cppinternals.texi: Update.
7112 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
7114 * arm.c (arm_init_builtins): Re-enable builtins.
7116 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7118 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
7119 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
7120 element to be null, and always expect an EXPR_LIST.
7121 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
7122 * sched-deps.c (sched_analyze_1): Likewise.
7123 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7125 * regclass.c (max_set_parallel): New variable.
7126 (reg_scan): Take it into account in computation of max_parallel.
7127 (reg_scan_mark_refs, case SET): Compute it.
7129 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
7131 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
7132 * function.c (assign_parms): Use INTVAL for a CONST_INT.
7134 2001-01-19 Jason Merrill <jason@redhat.com>
7136 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
7137 for the abstract instance of an inline function.
7139 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
7140 J"orn Rennecke <amylaar@redhat.com>
7142 * reload1.c (move2add_note_store): Treat all registers directly or
7143 indirectly derived from a base register as members of the same set
7145 (reload_cse_move2add): Adjust accordingly. Take mode and offset
7146 of base register into account.
7148 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
7150 * alias.c (find_base_value): Recognize TRUNCATE.
7151 (record_set): In PLUS case, invalidate if other summand is also a
7154 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7156 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
7157 entry to be EXPR_LIST.
7158 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
7159 be an EXPR_LIST (but not null, which other code doesn't allow).
7160 (note_stores): Properly handle PARALLEL in SET.
7161 Recursively call for top-level PARALLEL.
7162 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
7163 * sched-rgn.c (check_live_1, update_live_1): Likewise.
7165 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
7167 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
7169 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
7170 not pfile->skipping (== 0).
7172 2001-01-17 Nick Clifton <nickc@redhat.com>
7174 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
7177 2001-01-17 Jim Wilson <wilson@redhat.com>
7179 * invoke.texi (IA-64 options): Improve.
7181 2001-01-17 Tom Tromey <tromey@redhat.com>
7183 * invoke.texi (Optimize Options): Use `{}' to around @samp
7186 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
7188 * invoke.texi (-fno-guess-branch-probability): New option.
7190 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7192 * combine.c (try_combine): Don't set i3_subst_into_i2 for
7193 case of making new double-word constant.
7194 Revert last change: instead just test i3_subst_into_i2.
7196 2001-01-17 Jakub Jelinek <jakub@redhat.com>
7198 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
7199 Use q constraints instead of r.
7201 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
7203 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
7204 (machine_function): Define.
7205 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
7206 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
7207 pa_free_machine_status): New functions.
7208 (override_options): Set {init,mark,free}_machine_status to above.
7209 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7210 PIC_OFFSET_TABLE_REGNUM_SAVED.
7211 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
7212 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
7213 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
7214 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
7215 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7217 2001-01-15 DJ Delorie <dj@redhat.com>
7219 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
7223 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7225 * flow.c (propagate_on_insn): Make trying to delete a prologue
7226 or epilogue insn an ICE, not a warning. Allow doing this if
7227 the current function returns with stack pointer depressed.
7229 * combine.c (try_combine): If i3_subst_into_i2, properly check for
7230 I3 having more than one SET.
7232 2001-01-16 Jim Wilson <wilson@redhat.com>
7234 * invoke.texi: Document IA-64 options.
7236 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7237 (fixup_errata): Delete TARGET_A_STEP use.
7238 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7239 (TARGET_SWITCHES): Delete -ma-step option.
7240 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7241 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7242 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7243 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7244 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7245 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7247 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7248 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7249 cmovsi_internal): Delete ! TARGET_A_STEP check.
7251 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7253 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7254 possibility to report bugs via postal mail. Change a URL and
7255 merge in a nearly duplicate statement...
7256 (Bug Reporting): ...from here.
7257 (Service): Refer to the Bug Reporting section instead of
7259 (Contributing): Remove trivial explanations concerning snapshots.
7261 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7263 * cppmain.c (general_init): Don't use ANSI prototype.
7265 2001-01-16 Tom Tromey <tromey@redhat.com>
7267 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7269 2001-01-16 Richard Henderson <rth@redhat.com>
7271 * config/i386/i386.h: Fix comment typo.
7272 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7273 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7275 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7277 * gcc.c: Revert previous -fsyntax-only-related change; move
7280 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7282 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7283 inmode after checking GET_CODE (op).
7285 2001-01-16 Richard Henderson <rth@redhat.com>
7287 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7288 (MAX_MEM_SET_LIST_LEN): New.
7289 (propagate_one_insn): Update mem_set_list_len.
7290 (invalidate_mems_from_autoinc): Likewise.
7291 (invalidate_mems_from_set): Likewise.
7292 (mark_used_regs): Likewise.
7293 (init_propagate_block_info): Likewise. Stop collecting memories
7294 when we reach MAX_MEM_SET_LIST_LEN.
7295 (mark_set_1): Likewise.
7297 2001-01-16 Richard Henderson <rth@redhat.com>
7299 * unroll.c (precondition_loop_p): Fail if no iteration
7302 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7304 * gcc.c: When -fsyntax-only is given, do not complain about
7307 2001-01-15 Richard Henderson <rth@redhat.com>
7309 * config/i386/i386.c (asm_output_function_prefix): Remove.
7310 (ix86_asm_file_end): New.
7311 (load_pic_register): Generate pic_label_name into a
7312 staticly allocated buffer.
7313 * config/i386/i386-protos.h: Update.
7314 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7315 (ASM_FILE_END): New.
7316 * config/i386/i386afe.h: New file.
7317 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7318 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7319 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7320 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7321 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7322 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7323 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7325 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7327 * Makefile.in (install-man): Remove explicit dependency on
7330 * configure.in, configure: Revert previous patch requiring perl
7333 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7335 * toplev.c (flag_guess_branch_prob): New.
7336 (f_options): Add guess-branch-probability option.
7337 (rest_of_decl_compilation): Only estimate branch probability if
7339 (main): set flag_guess_branch_prob.
7341 * flags.h (flag_guess_branch_prob): New.
7343 2001-01-15 DJ Delorie <dj@redhat.com>
7345 * gcc.texi (Makefile): Add documentation for Makefile targets.
7347 2001-01-15 Philip Blundell <philb@gnu.org>
7349 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7351 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7352 (is_pic): Delete declaration.
7353 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7354 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7355 * config/arm/arm.md (builtin_setjmp_receiver): New.
7357 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7359 * arm.c (use_return_insn): Don't try to determine the function type
7360 until after reload has completed.
7361 (arm_output_epilogue): Don't adjust the sp value recovered from the
7363 (emit_multi_reg_push): Don't record dwarf information for the pc.
7364 * arm.md (eh_epilogue): The function type may have changed, so it
7365 needs to be recalculated.
7366 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7367 unwind tables on arm/netbsd.
7369 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7371 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7372 (negated_cbranchsi4): Likewise.
7374 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7376 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7377 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7378 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7379 pass -mapcs-* options to assembler.
7380 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7381 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7382 (ASM_SPEC): Call subtarget_extra_asm_spec.
7384 2001-01-15 Andreas Jaeger <aj@suse.de>
7386 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7388 (ix86_expand_builtin): Likewise.
7390 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7391 warning about comparison between signed and unsigned.
7393 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7395 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7397 2001-01-14 Ralf Baechle <ralf@gnu.org>
7399 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7400 SUBTARGET_CPP_SPEC apropriatly.
7402 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7404 * varasm.c (make_decl_rtl): Fix typo in last change.
7406 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7408 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7409 linker supports the init_priority C++ attribute.
7410 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7411 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7412 linker does not support init_priority C++ attribute.
7414 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7416 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7418 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7420 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7421 * cp/lex.c (finish_parse): Similarly.
7422 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7423 Return the number of errors encountered.
7424 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7425 * cppmain.c (main): Don't call cpp_destroy.
7427 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7429 * configure.in: Require at least perl 5.6.0 to regenerate
7431 * configure: Regenerate.
7433 2001-01-14 Richard Henderson <rth@redhat.com>
7435 * genrecog.c (DT_veclen_ge): New.
7436 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7437 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7438 (nodes_identical_1): Handle DT_veclen_ge.
7439 (write_cond, debug_decision_2): Likewise.
7441 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7443 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7445 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7447 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7449 * cppmain.c (do_preprocessing): New function; most of the old
7451 (main): Call it to do most of the work.
7452 (cb): Move from global scope to set_callbacks ().
7453 (setup_callbacks): Get the callback pointer.
7454 (general_init, printer_init): Clean up code and comments.
7456 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7458 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7461 2001-01-14 Kazu Hirata <kazu@hxi.com>
7463 * config/h8300/h8300.c (get_shift_alg): Update comments.
7465 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7467 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7468 (alloc_page, ggc_alloc): Add casts to remove warnings.
7470 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7472 * combine.c (simplify_comparison): Don't change `code' when
7473 can't reverse comparison.
7475 2001-01-14 Richard Henderson <rth@redhat.com>
7477 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7478 update all call sites. Return true for all non-label constants.
7480 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7482 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7484 (ix86_expand_branch): Update.
7485 (ix86_expand_setcc): Update to handle multiple test conditions.
7486 (expand_int_movcc): Likewise.
7487 (expand_fp_movcc): Likewise.
7488 * i386-protos.h (ix86_expand_compare): New.
7489 * i386.md (andqi_?_slp, orqi_?_slp): New.
7490 (conditional trap expander): Update call to ix86_expand_compare.
7492 2001-01-14 Richard Henderson <rth@redhat.com>
7494 * config/vax/vax.md: Use nonimmediate_operand instead of
7495 general_operand in destinations.
7497 * config/vax/vax.md (indirect_jump): Use register_operand.
7499 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7500 * config/vax/vax.md (call_pop): Turn into an expander.
7501 (call_value_pop): Likewise.
7502 (call, call_value): New.
7504 2001-01-14 Andreas Jaeger <aj@suse.de>
7506 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7508 (ix86_fp_compare_mode): Add unused attribute.
7509 (ix86_expand_fp_movcc): Remove unused variable.
7510 (ix86_expand_builtin): Make fcode unsigned.
7512 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7513 (expand_expr): Add cast to avoid signed warning.
7514 (store_field): Likewise.
7515 (store_constructor_field): Likewise.
7516 (store_constructor): Likewise.
7517 (store_expr): Likewise.
7518 (clear_storage): Likewise.
7519 (emit_group_store): Likewise.
7520 (emit_group_load): Likewise.
7522 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7524 * c-common.c: Move format checking code to ...
7525 * c-format.c: ... here. New file. Reorder some functions and
7527 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7529 * c-common.h (decl_handle_format_attribute,
7530 decl_handle_format_arg_attribute): Declare.
7531 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7532 (c-common.o): Adjust dependencies.
7533 (c-format.o): New list of dependencies.
7535 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7537 * unroll.c (loop_iterations): If we cannot prove iteration variable
7538 is set once in each iteration, punt.
7540 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7542 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7543 (*strlenhi): Remove clobber (which was buggy) of output address.
7545 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7547 * Makefile.in (generated-manpages): Add gcc.1
7548 ($(srcdir)/gcc.1): New target.
7549 (maintainer-clean): Delete $(srcdir)/gcc.1.
7550 * gcc.texi: Add macros @gccoptlist and @gol.
7551 * invoke.texi: Include option summary in manpage. Mark up option
7552 summary with @gccoptlist and @gol. Use @r in one place where
7554 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7555 * gcc.1: Generate from invoke.texi.
7557 2001-01-13 Richard Henderson <rth@redhat.com>
7559 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7560 (struct page_entry): Add group member.
7561 (struct page_group): New.
7562 (struct globals): Add page_groups member.
7563 (alloc_anon): Only define for using mmap; remove valloc call.
7564 (page_group_index): New.
7565 (set_page_group_in_use): New.
7566 (clear_page_group_in_use): New.
7567 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7568 (free_page, release_pages): Likewise.
7569 * configure.in (with-gc): Default to ggc-page always.
7571 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7573 * reload1.c (replace_pseudos_in_call_usage): Use
7574 reg_equiv_constant and reg_equiv_address, and don't try
7575 regno_reg_rtx first.
7577 2001-01-13 Richard Henderson <rth@redhat.com>
7579 * ggc-page.c (alloc_page): Round up allocation size to one page.
7580 Set e->order on extra pages.
7582 2001-01-13 Richard Henderson <rth@redhat.com>
7584 * genrecog.c (nodes_identical): Expand commentary.
7585 (write_switch): Watch out for identical nodes.
7587 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7589 * cppfiles.c (_cpp_fake_include): New function.
7590 * cpphash.h (_cpp_fake_include): New.
7591 * cpplib.c (do_line): Call _cpp_fake_include when entering
7592 header files in preprocessed input.
7593 * cppmain.c (cb_pragma_implementation): Remove handling.
7594 (setup_callbacks): Don't register pragmas.
7596 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7598 * extend.texi: Udate for CPP.
7600 2001-01-13 Andreas Jaeger <aj@suse.de>
7602 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7604 * regmove.c: Add prototype for replace_in_call_usage.
7606 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7608 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7609 struct cpp_chunk, struct htab, struct toklist,
7610 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7611 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7612 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7613 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7614 (struct macro_args): Delete.
7615 * cpphash.h: See above.
7617 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7619 * cppmain.c (struct printer): Remove no_line_dirs.
7621 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7622 : Use options rather than CPP_OPTION.
7623 (setup_callbacks): Use cb rather than pfile->cb.
7624 (main): No need to check for a buffer. Use cpp_errors.
7625 (printer_init): Don't set no_line_dirs.
7626 (maybe_print_line): Use options not no_line_dirs.
7627 (cb_file_change): Don't call print_line if -P.
7629 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7631 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7633 * c-parse.in (finish_parse): Use cpp_errors.
7634 (__yylex): Use return value of cpp_pop_buffer.
7635 * cp/lex.c (finish_parse): Use cpp_errors.
7636 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7638 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7640 * README.AVR: URLs corrected.
7642 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7644 * c-decl.c (start_function): Don't warn if old prototype is builtin
7645 that's not in C's namespace.
7646 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7647 (_bb): Add prototype for ctime.
7648 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7650 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7652 * i386.c (ix86_fp_comparison_arithmetics_cost,
7653 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7654 ix86_fp_comparison_cost): New functions.
7655 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7656 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7657 two-branch sequences; make static.
7658 (ix86_use_fcomi_compare): Do decision according to the costs.
7659 (split_fp_branch): New.
7660 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7661 * i386-protos.h (ix86_expand_fp_compare): Remove
7662 (ix86_split_fp_branch): Declare.
7664 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7665 and ix86_comparison_operator.
7667 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7670 * i386.c (put_condition_code): Output properly the unordered/ordered
7671 compares in fp case.
7672 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7674 * tm.texi (REVERSE_CONDITION): Document.
7675 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7676 in -ffast-math mode.
7677 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7679 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7681 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7683 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7686 * config/sh/sh.c (mova_p): Fix test for mova_const.
7688 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7690 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7691 cpp_get_options rather than dereferencing pfile and using
7693 * scan-decls.c (scan_decls): Use return value of
7694 cpp_pop_buffer rather than CPP_BUFFER.
7696 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7698 * cppinit.c (cpp_handle_option): help_only is now part of the
7699 cpp_options structure.
7700 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7701 cpp_set_callbacks): New functions.
7702 * cpplib.h (cpp_callbacks): Break out as a named structure.
7703 (cpp_options): Move help_only here from cpp_reader.
7704 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7705 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7706 cpp_set_callbacks): New prototypes.
7707 * cppmain.c (main): Update for help_only.
7709 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7711 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7712 Also build and remove and install and uninstall c-tree.info and
7714 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7715 ($(srcdir)/cppinternals.info): New target.
7716 * c-tree.texi: Change file name used when makeinfo used without -o
7717 from ir.info to c-tree.info. Add info directory entry.
7718 * cppinternals.texi: Add info directory entry.
7719 * .cvsignore: Update.
7721 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7723 * c-typeck.c (store_init_value): Don't require constant initializer
7724 elements with -pedantic -std=c99.
7725 (digest_init): Change error about non-constant initializer elements
7727 (constructor_range_end): Remove.
7728 (constructor_incremental, designator_depth,
7729 designator_errorneous): New variables.
7730 (struct constructor_stack): Remove range_end, add incremental.
7731 (struct constructor_range_stack, constructor_range_stack): New.
7732 (struct initializer_stack): Add constructor_range_stack.
7733 (finish_init): Set it.
7734 (start_init): Likewise. require_constant_elements for non-static
7735 trees only if not flag_isoc99.
7736 (really_start_incremental_init): Remove constructor_range_end, add
7737 constructor_incremental.
7738 (pop_init_level): Likewise.
7739 (push_init_level): Likewise. If implicit and the subobject had some
7740 value set already, preinitialize the level with it.
7741 Warn about missing braces only if not pushing due to designators.
7742 (set_designator, push_range_stack): New functions.
7743 (set_init_label): Use them.
7744 (set_init_index): Likewise. Remove constructor_range_end.
7745 Error if designator index is outside of array bounds.
7746 (add_pending_init): Compare values of purpose index trees, not the
7747 trees themselves. Allow overwriting of already initialized element.
7748 Issue a warning if it had side-effects.
7749 (set_nonincremental_init, set_nonincremental_init_from_string): New
7751 (pending_init_member): Rename to...
7752 (find_init_member): ...this function. Call set_nonincremental_init
7753 if necessary. Compare values of purpose index trees, not the trees
7754 themselves. Return the actual value, not just non-zero if something
7756 (output_init_element): Remove checks for duplicates.
7757 If field has zero size, only check the initializer for correctness.
7758 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7759 if constructor_incremental is zero. Change error about initializers
7760 not computable at load time into pedwarn.
7761 (output_pending_init_elements): Compare bit positions, not
7762 FIELD_DECLs to take into account zero-sized fields.
7763 (process_init_element): Use constructor_range_stack to fill all
7764 ranges in the designator lists from current level up.
7765 * extend.texi: Update documentation for labeled elements.
7767 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7769 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7770 to function usage for arguments passed by reference. Optimize
7771 callee-copied arguments.
7772 * regmove.c (replace_in_call_usage): New function.
7773 (fixup_match_1): Call it.
7774 * cse.c (cse_insn): Canonicalize registers in function usage.
7775 * reload1.c (replace_pseudos_in_call_usage): New function.
7778 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7781 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7783 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7786 2001-01-12 DJ Delorie <dj@redhat.com>
7788 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7789 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7792 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7794 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7795 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7796 -std options alongside references to -ansi. Update some
7797 documentation for C99.
7798 * cpp.1: Regenerate.
7800 2001-01-12 Andreas Jaeger <aj@suse.de>
7802 * haifa-sched.c (restore_line_notes): Remove argument block B
7804 * sched-ebb.c (schedule_ebb): Change caller.
7805 * sched-rgn.c (schedule_region): Likewise.
7806 * sched-int.h (restore_line_notes): Adjust prototype.
7808 * loop.h: Remove wrong declaration of doloop_condition_get.
7810 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7812 * extend.texi: Move C++-extension-related node from the C section
7813 into the C++ section.
7815 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7817 * extend.texi: Refer to an array of pointers to functions instead
7818 of one of functions.
7820 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7821 Jan Hubicka <jh@suse.cz>
7823 * combine.c (reversed_comparison): Fix typo in last patch.
7825 (combine_reversed_comparison_code): Make static to follow
7826 prototype declaration.
7828 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7830 * install.texi: Remove misplaced duplicate entry.
7832 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7834 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7836 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7838 * final.c: (leaf_function_p): Fix typo.
7840 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7842 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7843 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7845 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7846 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7847 mmap_anon, and valloc is available.
7848 * ggc-page.c: Restructure ifdef logic to match new autoconf
7849 spec. Don't throw away the test page in init_ggc.
7851 * configure, config.in: Regenerate.
7853 2001-01-12 Michael Hayes <mhayes@redhat.com>
7855 * loop.h (total_biv_increment): Constify iv_class pointer.
7856 (struct induction): Replace `mem_mode' with `mem' rtx.
7857 * unroll.c (total_biv_increment): Constify iv_class pointer.
7858 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7859 (find_mem_givs, combine_givs_p): Likewise.
7860 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7862 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7864 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7866 (__gthread_getspecific): Ditto.
7868 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7870 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7871 put_condition_code): Convert fp comparison codes to integer
7873 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7876 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7877 * i386-protos.h (no_comparison_operator): Kill.
7879 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7881 * combine.c (REVERSIBLE_CC_MODE): Remove.
7882 (reversible_comparison_p): Remove.
7883 (combine_reversed_comparison_code): New.
7884 (reversed_comparison): New.
7885 (combine_simplify_rtx): Use
7886 combine_reversed_comparison_code/reversed_comparison instead
7887 of reversible_comparison_p.
7888 (simplify_if_then_else): Likewise.
7889 (simplify_set): Likewise.
7890 (simplify_logical): Likewise.
7891 (if_then_else_cond): Likewise.
7892 (known_cond): Likewise.
7893 (simplify_comparison): Likewise.
7895 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7897 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7898 sizeof (int) is larger than sizeof(__word__).
7900 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7902 * cppinit.c (do_includes): Fix typo.
7904 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7906 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7907 in S_REGS does not occur because not all sources are possible
7908 when a S_REGS is a destination (sometimes needs a clobber).
7909 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7910 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7911 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7912 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7913 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7914 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7915 (lshrdi_const1, lshrsi3_const16): Likewise.
7916 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7917 (*movhi_68hc12, *movqi_68hc12): Likewise.
7918 (movstrictqi): Make sure reloading in D_REGS as a destination
7921 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7923 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7925 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7927 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7928 -D, -U and -A, and don't initialize the builtins.
7929 (do_includes): Error if -include or -imacros with -fpreprocessed.
7930 * cppmain.c (cb_define, cb_undef): Unconditionally process
7932 * tradcpp.c (main): Fix typo.
7934 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7936 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7937 (read_name_map): Use IS_ABSOLUTE_PATH.
7938 * tradcpp.c (get_filename): Likewise.
7940 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7942 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7943 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7944 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7945 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7946 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7947 (cmphi_z_used): Don't use '@' for the output.
7948 (tstqi_z_used): Likewise.
7949 (cmpqi_z_used): Likewise.
7950 (one_cmplsi2): Likewise.
7952 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7954 * config/sh/sh.c (barrier_align): Recognize branch around far
7955 branch and redundant insn.
7957 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7959 * invoke.texi: Restore documentation of the drivers' switches -MD
7962 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7964 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7966 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7967 check-objc//%): Support parallel testing of multilibs.
7968 (TESTSUITEDIR): Set to testsuite by default, but override for
7970 (check-gcc, check-g++, check-g77, check-objc): Enter
7973 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7975 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7976 * sched-deps.c (deps_may_trap_p): Likewise.
7977 * basic-block.h: Remove a comment.
7978 * flow.c (PROP_POSTRELOAD): Remove.
7979 (update_life_info): Don't add it to prop_flags.
7980 (mark_set_1): Lose the code that was enabled by it.
7982 2001-01-11 Michael Hayes <mhayes@redhat.com>
7984 * flow.c (flow_call_edges_add): New.
7985 * basic_block.h (flow_call_edges_add): New.
7987 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7989 * reload1.c (move2add_note_store): Update reg_set_luid even if
7990 base reg remains the same.
7992 2001-01-10 Nick Clifton <nickc@redhat.com>
7994 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7995 machine_function structure to zero.
7996 Add prototypes for machine_status functions.
7998 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8000 * c-common.h (CTI_VOID_LIST): Remove.
8001 (void_list_node): Likewise.
8002 * tree.h (TI_VOID_LIST_NODE): New enumeral.
8003 (void_list_node): New macro.
8004 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
8005 * config/i386/i386.c (ix86_init_builtins): Likewise.
8006 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
8008 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8010 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
8011 * cppinit.c (cpp_start_read): Update comment, remove unneeded
8013 * tradcpp.c: Include mkdeps.h.
8014 (deps, print_deps_phony_targets, deps_append, output_deps,
8015 init_dependency_output, output_deps): New.
8016 (deps_buffer, deps_allocated_size, deps_size, deps_column,
8017 deps_output): Delete.
8018 (print_deps_missing_files): Rename deps_missing_files.
8019 (inhibit_output): Make global.
8020 (main): Delete inhibit_output, deps_stream, deps_target.
8021 Use mkdeps functionality in the same way as cpplib. Remove
8022 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
8023 -M and -MM. Remove old handling of deps via deps_out, and
8024 old reading of environment variables.
8025 (get_filename): Update to use deps_add_dep.
8027 2001-01-10 Mark Mitchell <mark@codesourcery.com>
8029 * output.h (make_function_rtl): Remove prototype.
8030 (make_decl_rtl): Likewise.
8031 * varasm.c (make_function_rtl): Remove.
8032 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
8033 than from a third parameter.
8034 * tree.h (make_decl_rtl): Remove last parameter.
8035 * c-decl.c (builtin_function): Remove last argument in call to
8036 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
8037 (start_function): Likewise.
8038 * except.c (call_get_eh_context): Likewise.
8039 * expr.c (emit_block_move): Likewise.
8040 (clear_storage): Likewise.
8041 * profile.c (output_func_start_profiler): Likewise.
8042 * toplev.c (rest_of_decl_compilation): Likewise.
8043 * objc/objc-act.c (create_builtin_decl): Likewise.
8044 (synth_module_prologue): Likewise.
8045 (generate_static_reference): Likewise.
8046 (build_selector_reference_decl): Likewise.
8047 (build_class_reference_decl): Likewise.
8048 (build_objc_string_decl): Likewise.
8049 (build_protocol_reference): Likewise.
8051 2001-01-10 Richard Henderson <rth@redhat.com>
8053 * hwint.h: Revert yesterday's change.
8055 2001-01-10 Nick Clifton <nickc@redhat.com>
8057 * function.h (save_machine_status): Delete.
8058 (restore_machine_status): Delete.
8059 Amend comment describing {init|mark|free}_machine_status.
8061 * function.c (save_machine_status): Delete.
8062 (restore_machine_status): Delete.
8063 Amend comment describing {init|mark|free}_machine_status.
8064 (push_function_context_to): Remove invocation of
8065 save_machine_status.
8066 (pop_function_context_from): Remove invocation of
8067 restore_machine_status.
8069 * emit-rtl.c (init_emit_once): Amend comment describing
8070 {init|mark|free}_machine_status.
8072 * tm.texi (Per-Function Data): New node. Describe the
8073 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
8076 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8078 * cppinit.c (OPT_g): Remove.
8079 (cpp_handle_option): Update for removed -g3.
8080 (print_help): Update.
8081 * cpplib.h (struct cpp_options): Remove debug_output.
8082 * cppmain.c (setup_callbacks, cb_define): Update.
8083 * gcc.c (cpp_options): Translate -g3 to -dD.
8085 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
8087 * config/i960/i960.md: Change modifier to + on the zero_extract
8088 pattern after the (rotate -2 reg) canonicalization pattern.
8090 2001-01-10 Richard Henderson <rth@redhat.com>
8092 * config/alpha/alpha.c (alpha_free_machine_status): New.
8093 (override_options): Install it.
8094 (alpha_mark_machine_status): Verify machine non-null.
8095 * config/i386/i386.c (ix86_free_machine_status): New.
8096 (override_options): Install it.
8097 (ix86_init_machine_status): Use xcalloc.
8098 (ix86_mark_machine_status): Verify machine non-null.
8099 * config/ia64/ia64.c (ia64_free_machine_status): New.
8100 (ia64_override_options): Install it.
8101 (ia64_mark_machine_status): Verify machine non-null.
8103 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
8105 * function.c (instantiate_virtual_regs): Instantiate virtual
8106 registers found in CALL_INSN_FUNCTION_USAGE.
8108 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8110 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
8111 equivalent to -ansi in disabling -Di386.
8113 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
8115 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
8117 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
8119 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
8121 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
8123 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8125 * invoke.texi: Document that -fcond-mismatch isn't supported for
8128 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
8130 * gcc.texi: Define macro gcctabopt.
8131 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
8132 @command, @env and @option in some places where appropriate. Use
8133 @gcctabopt where appropriate. Put URLs and email addresses inside
8136 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
8138 * gcc.c (cpp_options): Set MD file name from output
8139 filename, if specified.
8140 (suffix_subst): New static variable.
8141 (do_spec): Clear it.
8142 (do_spec_1, case '.'): Handle new `%.suffix' spec.
8144 (give_switch): Handle suffix_subst.
8146 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8148 * invoke.texi: Fix another typo.
8150 2001-01-10 Phil Edwards <pme@sources.redhat.com>
8152 * invoke.texi: Fix typo.
8154 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
8156 * c-lang.c (lang_hooks): Update.
8157 (lang_decode_option): Remove.
8158 (lang_init_options): Rename c_init_options.
8159 * toplev.c (main): Use lang_hooks for lang_init_options
8160 and lang_decode_option.
8161 * toplev.h (lang_hooks): Add 2 new hooks.
8162 * tree.h: Remove lang_init_options and lang_decode_option.
8163 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
8164 * cp/decl2.c: Similarly.
8165 * cp/lex.c (lang_init_options): Rename cxx_init_options.
8166 (lang_hooks): Update.
8167 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
8169 (lang_init_options): Rename ffe_init_options.
8170 (lang_hooks): Update.
8171 (lang_decode_option): Remove.
8172 * java/lang.c (lang_init_options): Rename java_init_options.
8173 (lang_decode_option): Rename java_decode_option.
8174 (lang_hooks): Update.
8175 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
8176 (lang_decode_option): Rename objc_decode_option.
8177 (lang_hooks): Update.
8179 2001-01-09 Nick Clifton <nickc@redhat.com>
8181 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
8182 (d30v_return_addr_rtx): Delete.
8183 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
8184 cfun->machine structure.
8185 (struct machine_function): Move to d30v.h
8186 (d30v_save_machine_status): Delete.
8187 (d30v_restore_machine_status): Delete.
8188 (d30v_init_machine_status): New Function.
8189 (d30v_mark_machine_status): New Function.
8190 (d30v_free_machine_status): New Function.
8191 (d30v_init_expanders): Use new functions.
8192 (d30v_return_addr): Use ra_rtx field in cfun->machine.
8193 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
8194 d30v_return_addr_rtx.
8196 * config/d30v/d30v.h (struct_machine): Move here.
8197 Add eh_epilogue_sp_ofs field.
8199 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
8200 field in cfun->machine structure.
8202 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
8204 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
8205 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
8206 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8208 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
8210 * objc/lang-options.h: Remove bogus reference to
8213 2001-01-09 Kazu Hirata <kazu@hxi.com>
8215 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
8218 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
8220 * reload.c (find_reloads_address): Check for eliminable registers
8221 when substituting a constant expression for a pseudo.
8223 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
8225 * c-common.c (enum format_type): Add format_type_error.
8226 (decode_format_type): New function.
8227 (decl_attributes): Use it.
8228 (format_kind_info): Adjust comment.
8230 2001-01-09 David O'Brien <obrien@BSDi.com>
8232 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
8233 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8235 * config/i386/gnu.h: Don't include required platform specific .h files,
8236 tm.h will do it instead.
8237 * config/i386/i386elf.h: Likewise.
8238 * config/i386/linux.h: Likewise.
8239 * config/i386/moss.h: Likewise.
8240 * config/mips/gnu.h: Likewise.
8242 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8244 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8245 (rs6000-ibm-aix3.[01]*): Likewise.
8246 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8247 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8248 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8249 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8250 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8251 (powerpc-*-eabiaix*): Likewise.
8252 (powerpc-*-eabisim*): Likewise.
8253 (powerpc-*-elf*): Likewise.
8254 (powerpc-*-eabi*): Likewise.
8255 (powerpc-*-rtems*): Likewise.
8256 (powerpc-*-linux*libc1): Likewise.
8257 (powerpc-*-linux*): Likewise.
8258 (powerpc-wrs-vxworks*): Likewise.
8259 (powerpcle-wrs-vxworks*): Likewise.
8260 (powerpcle-*-sysv*): Likewise.
8261 (powerpcle-*-elf*): Likewise.
8262 (powerpcle-*-eabisim*): Likewise.
8263 (powerpcle-*-eabi*): Likewise.
8264 (powerpcle-*-solaris2*): Likewise.
8265 * config/rs6000/aix31.h: Delete includes.
8266 * config/rs6000/aix3newas.h: Likewise.
8267 * config/rs6000/aix41.h: Likewise.
8268 * config/rs6000/aix43.h: Likewise.
8269 * config/rs6000/beos.h: Likewise.
8270 * config/rs6000/rtems.h: Likewise.
8271 * config/rs6000/sysv4.h: Likewise.
8273 2001-01-09 Kazu Hirata <kazu@hxi.com>
8275 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8276 Change an argument mode of machine_mode to shift_mode of
8277 shift_mode. Remove an extra error check.
8278 (emit_a_shift): Adopt to the new calling prototype of
8280 (function_prologue): Fix code for a monitor
8281 function. Support H8/S.
8282 (function_epilogue): Do not output pop for a monitor function.
8284 2001-01-09 Nick Clifton <nickc@redhat.com>
8286 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8287 (setup_incoming_varargs): Use sysv_varargs_p field of the
8288 cfun->machine structure.
8289 (struct machine_function): Move to rs6000.h
8290 (rs6000_save_machine_status): Delete.
8291 (rs6000_restore_machine_status): Delete.
8292 (rs6000_init_machine_status): New Function.
8293 (rs6000_free_machine_status): New Function.
8294 (rs6000_init_expanders): Use new functions.
8296 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8298 (struct machine_function): Move here.
8300 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8301 sysv_varargs_p field of the cfun->machine structure.
8303 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8305 (rs6000_restore_machine_status): Remove prototype.
8307 2001-01-09 Richard Henderson <rth@redhat.com>
8309 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8310 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8311 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8312 (sched_analyze_2, sched_analyze_insn): Likewise.
8313 (sched_analyze, init_deps): Likewise.
8314 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8315 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8316 (compute_block_backward_dependences): Update propagate_deps call.
8318 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8320 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8322 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8324 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8325 (cpp_handle_option): Handle them.
8326 (cpp_post_options): Ensure one of -M or -MM is specified with
8327 any other -M? option.
8328 (init_dependency_output): Suppress output with -MG.
8330 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8333 * invoke.texi: Update.
8335 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8337 * sh.md (reload_outsf): Generate recognizable patterns for
8340 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8342 * c-lang.c (lang_hooks): Update.
8343 (lang_init): Rename c_init.
8344 (lang_finish): Remove.
8345 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8347 * toplev.h (lang_hooks): Add init () and finish ().
8348 * tree.h (lang_init, lang_finish): Remove.
8349 * cp/tree.h (lang_init, lang_finish): Remove.
8350 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8351 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8353 (lang_init, lang_finish): Remove.
8354 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8355 (lang_hooks): Update.
8356 * java/lang.c (lang_init): Rename java_init.
8357 (lang_finish): Remove.
8358 (lang_hooks): Update.
8359 * objc/objc-act.c (lang_init): Rename objc_init.
8360 (lang_finish): Remove.
8361 (lang_hoooks): Update.
8363 20001-01-09 Graham Stott <grahams@redhat.com>
8365 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8366 after `ptr` is initialised.
8368 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8370 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8371 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8372 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8373 stack adjusts, instead of r3.
8375 2001-01-09 Michael Hayes <mhayes@redhat.com>
8377 * flow.c (flow_loop_scan): Break out of ...
8378 (flow_loops_find) ... here.
8379 * basic-block.h (flow_loop_scan): New.
8380 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8381 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8383 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8385 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8387 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8388 realloc()ing macro_buffer.
8390 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8391 if it's wider than long and the target's long is wider than the
8394 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8396 Remove support for using UWIN as a host machine.
8397 * configure.in: Issue an error message.
8398 * configure: Regenerated.
8399 * config.gcc: Remove xm_* UWIN configury.
8400 * config/i386/xm-uwin.h: Remove.
8402 2001-01-08 Nick Clifton <nickc@redhat.com>
8404 * config/v850/v850.c (ra_rtx): Delete.
8405 (v850_save_machine_status): Delete.
8406 (v850_restore_machine_status): Delete.
8407 (v850_init_machine_status): New function.
8408 (v850_mark_machine_status): New function.
8409 (v850_free_machine_status): New function.
8410 (v850_return_addr): Use ra_rtx field in machine structure.
8411 (v850_init_expanders): Use new functions.
8413 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8414 * config/v850/v850.c: Change arguments to v850_output+* functions
8415 to take a const char *, to avoid compile time warning.
8416 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8417 (USER_LABEL_PREFIX): Redefine.
8419 2000-01-08 Jim Wilson <wilson@redhat.com>
8421 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8422 1 to unsigned HOST_WIDE_INT before left shift.
8424 2001-01-08 Nick Clifton <nickc@redhat.com>
8426 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8427 the machine structure has been allocated.
8428 (arm_free_machine_status): New function: Free the machine
8429 specific function structure.
8431 2001-01-08 Richard Henderson <rth@redhat.com>
8433 * jump.c (simplejump_p): Revert last change.
8435 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8437 * cppinit.c (init): Rename init_library.
8438 (cpp_create_reader): Update.
8439 * gcc.c (cpp_options): If -o given, use it as the target of
8442 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8444 * arm.c (arm_arch5e): New variable.
8445 (all_cores): XScale is a 5TE device.
8446 (arm_override_options): Set arm_arch5e.
8447 (arm_init_builtins): __builtin_prefetch is in arch5e.
8448 * arm.h (arm_arch5e): Declare it.
8450 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8452 * arm.md (define_constants): Add defines for UNSPEC and
8453 UNSPEC_VOLATILE insns. Update all users.
8454 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8455 * arm.c (multi_register_push, note_invalid_constants)
8456 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8457 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8458 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8460 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8462 * jump.c (jump_optimize_1): Use reversed_comparison_code
8463 instead of can_reverse_comparison_p.
8464 (jump_back_p): Likewise.
8465 (invert_exp_1): Likewise.
8466 (thread_jumps): Likewise.
8467 * simplify-rtx.c (simplify_unary_operation): Likewise.
8468 (simplify_ternary_operation): Likewise.
8469 * cse.c (find_comparison_args): Convert to use
8470 can_reverse_comparison_p.
8471 (record_jump_equiv): Likewise.
8473 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8475 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8476 (EPILOGUE_USES): Define.
8477 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8478 automatically stack the LR if it isn't live.
8480 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8482 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8485 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8487 * ggc-page.c (max_alignment): New structure.
8488 (MAX_ALIGNMENT): New macro.
8489 (init_ggc): Use it to round up the sizes in the
8490 extra_order_size_table.
8492 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8494 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8497 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8499 * builtins.def (BUILT_IN_FPRINTF): New entry.
8501 * c-common.c (c_expand_builtin_fprintf): New function.
8502 (init_function_format_info): Handle __builtin_fprintf.
8503 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8504 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8506 * c-decl.c (duplicate_decls): Adjust comment.
8508 * extend.texi (fprintf): Document new builtin.
8510 2001-01-07 Richard Henderson <rth@redhat.com>
8512 * jump.c (simplejump_p): Recognize any single_set jump
8515 2001-01-07 Richard Henderson <rth@redhat.com>
8517 * configure.in (slibdir): Accept an --with-slibdir option.
8518 Use "test" not "[" in configure. Default to $(libdir).
8520 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8522 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8523 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8524 (SHLIB_LINK): Create links for the soname.
8525 * config/mips/t-iris6: Likewise.
8526 * config/sparc/t-slibgcc: Likewise.
8527 * config/sparc/t-slibgcc-sld: Likewise.
8529 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8531 * config/i386/i386.c (constant_call_address_operand): Accept
8532 (const (plus (symbol_ref) (const_int))).
8533 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8534 constant_call_address_operand.
8536 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8538 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8539 and LONG_LONG_TYPE_SIZE > 32.
8541 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8543 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8544 the previous change.
8546 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8548 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8550 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8551 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8552 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8555 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8557 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8559 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8561 * c-lang.c (c_post_options): Call cpp_post_options.
8562 * objc/objc-act.c (objc_post_options): Similarly.
8563 * cppmain.c (main): Similarly.
8564 * fix-header.c (read_scan_file): Similarly.
8565 * cppinit.c (cpp_start_read): Move option consistency checks
8566 to cpp_post_options. Don't call init_dependency_output.
8567 If needed, add default target and main file dependency.
8568 (OPT_MD, OPT_MMD): Remove.
8570 (cpp_handle_option): Update for OPT_* changes.
8571 (cpp_post_options): New.
8572 (init_dependency_output): Command line -MF overrides environment
8573 variables. Don't set default target etc. Suppress output
8574 if dependencies are going to stdout.
8575 (print_help): Update.
8576 * cpplib.h (cpp_post_options): New.
8577 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8579 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8581 * jump.c (comparison_dominates_p): Support unordered compares.
8583 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8585 * simplify-rtx.c (simplify_relational_operation): Always simplify
8586 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8589 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8591 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8592 (nonzero_bits): Likewise.
8593 (simplify_comparison): Likewise.
8594 (num_sign_bit_copies): Likewise; return more sane value depending
8595 on STORE_FLAG_VALUE.
8596 (known_cond): Do not assume EQ to be always true for equivalent
8599 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8601 * cse.c (fold_rtx): Handle unordered comparisons.
8603 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8605 * rtlanal.c (set_of_1): New static function.
8606 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8607 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8608 reg_set_last_last_regno): Remove.
8609 (set_of): New global function.
8610 (set_of_data): New structure.
8611 (reg_set_p, reg_set_last): Revamp for set_of.
8612 * rtl.h (set_of): New.
8614 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8616 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8617 * extend.texi: Document _Exit builtin.
8619 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8621 * (initialize, initialize_builtins,
8622 initialize_dependency_output, initialize_standard_includes):
8623 Rename s/initialize/init. Update.
8624 (init_dependency_output): Move to after
8625 cpp_handle_options, the correct location temporally at least.
8626 (opt_comp): Move next to init (), its caller. Fix prototype.
8627 (init): Make "initialized" local scope.
8628 (cpp_create_reader): Always call init ().
8629 (cpp_start_read): Update.
8630 (output_deps): New function, broken out of cpp_finish.
8631 (cpp_finish): Break out output_deps.
8633 2001-01-07 Richard Henderson <rth@redhat.com>
8635 * collect2.c (COFF specific stuff): Revert 12-06 patch
8636 to prototype system functions.
8638 2001-01-07 Michael Hayes <mhayes@redhat.com>
8640 * hard-reg-set.h: Add multiple include guard.
8641 * basic-block.h (struct loop): Add `sink' field.
8642 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8643 (emit_iv_add_mult): Delete.
8644 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8645 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8646 (unroll_loop): Remove end_insert_before argument.
8647 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8648 (maybe_eliminate_biv_1): Likewise.
8649 (emit_iv_add_mult): Delete.
8650 (gen_add_mult, loop_regs_update): New.
8651 (loop_insn_emit_after, loop_insn_emit_before): New.
8652 (loop_insn_sink, loop_insn_sink_or_swim): New.
8653 (emit_iv_add_mult): Delete.
8654 (scan_loop): Set loop->sink.
8655 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8656 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8657 (maybe_eliminate_biv_1): Likewise.
8658 (maybe_eliminate_biv_1): Add basic block argument.
8659 * unroll.c (unroll_loop): Remove end_insert_before argument.
8660 (find_splittable_regs): Likewise.
8661 (find_splittable_regs): Use loop_insn_sink and its ilk.
8662 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8664 2001-01-07 Michael Hayes <mhayes@redhat.com>
8666 * loop.h (loop_insn_hoist): New prototype.
8667 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8668 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8669 (check_dbra_loop, load_mems): Likewise.
8670 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8671 (find_splittable_givs): Likewise.
8673 2001-01-07 Michael Hayes <mhayes@redhat.com>
8675 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8677 2001-01-07 Richard Henderson <rth@redhat.com>
8679 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8681 2001-01-07 Richard Henderson <rth@redhat.com>
8683 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8684 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8685 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8686 variant that handles a shared libgcc.
8687 (process_command): Always validate -{static,shared}-libgcc.
8688 (do_spec_1): New 'M' case.
8689 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8691 2001-01-07 Richard Henderson <rth@redhat.com>
8693 * Makefile.in (slibdir): New variable.
8694 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8695 (installdirs): Create slibdir.
8696 (install-libgcc, install-multilib): Defer to libgcc.mk.
8697 * configure.in (slibdir): Substitute.
8698 * mklibgcc.in (install): New target.
8700 * config/t-linux (SHLIB_LINK): Create links for the soname.
8701 (SHLIB_INSTALL): New.
8702 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8703 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8704 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8705 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8706 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8708 2001-01-07 Richard Henderson <rth@redhat.com>
8710 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8711 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8712 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8714 2001-01-07 Michael Hayes <mhayes@redhat.com>
8716 * loop.c (count_loop_regs_set): Delete.
8717 (load_mems_and_recount_loop_regs_set): Delete.
8718 (loop_regs_scan): Merge common code from count_loop_regs_set,
8719 scan_loop, and load_mems_and_recount_loop_regs_set.
8720 (scan_loop): Call load_mems directly and loop_regs_scan
8721 again if new registers created.
8723 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8725 * toplev.c (main): Call the front-end specific post_options
8726 hook if one is given.
8727 * toplev.h (struct_lang_hooks, lang_hooks): New.
8728 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8729 for the C front end.
8730 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8731 lang_hooks for the C++ front end.
8732 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8733 lang_hooks for the ObjC front end.
8734 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8735 * java/lang.c (lang_hooks): Hooks for the Java front end.
8737 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8739 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8740 for verbose DWARF[2] debugging.
8741 (cb_define, cb_undef): The new callbacks.
8742 * toplev.h (debug_define, debug_undef): Make const correct.
8743 * toplev.c (debug_define, debug_undef): Similarly. Do not
8744 perform the verbosity tests here anymore.
8746 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8748 * reload.c (subst_reloads): Take INSN argument. When
8749 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8750 * reload.h (subst_reloads): Adjust prototype.
8751 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8752 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8753 present in JUMP_INSNs and copy them to JUMP_LABEL.
8754 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8755 JUMP_INSNs and insns with REG_LABELs that are followed by
8756 JUMP_INSNs with the same REG_LABEL.
8757 * sched-rgn.c (is_cfg_nonregular): Likewise.
8758 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8760 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8762 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8764 2001-01-06 Richard Henderson <rth@redhat.com>
8766 * loop.c (scan_loop): Use xcalloc for the regs array.
8767 (load_mems_and_recount_loop_regs_set): Zero the new memory
8768 received from xrealloc.
8770 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8772 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8774 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8776 * integrate.c (copy_rtx_and_substitute): When copying
8777 an ignored return value, strip REG_FUNCTION_VALUE_P.
8779 2001-01-06 Michael Hayes <mhayes@redhat.com>
8781 * loop.c (debug_biv, debug_giv): New.
8782 (loop_biv_dump): Break out from ...
8783 (record_biv): ... here.
8784 (loop_giv_dump): Break out from ...
8785 (record_giv): ... here.
8786 (loop_bivs_check): Use print_simple_rtl.
8787 * unroll.c (loop_iterations): Use print_simple_rtl.
8789 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8791 * pa.md (return, return_internal): Modify patterns to prevent regrename
8792 mucking with the return pointer.
8794 2001-01-05 Richard Henderson <rth@redhat.com>
8796 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8798 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8800 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8801 version supplied by Matteo Frigo.
8803 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8805 * cpp.texi: Update for -MQ.
8806 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8807 (cpp_cleanup): Always free pfile->deps.
8808 (initialize_dependency_output): Don't create pfile->deps.
8809 (cpp_handle_option): Similarly.
8811 * gcc.c (cpp_options): Handle -MQ.
8812 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8813 * mkdeps.c (base_name): Remove.
8814 (deps_init): Don't allocate vector space until it's needed.
8815 (deps_free): Only free vectors if allocated.
8816 (deps_add_target, deps_add_dep): Update for initial allocation.
8817 (deps_add_default_target): Don't strip to the base_name.
8819 2001-01-05 DJ Delorie <dj@redhat.com>
8821 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8822 (INIT_EXPANDERS): Define.
8824 * config/v850/v850.c (struct machine_function): Define.
8825 (v850_save_machine_status): New function.
8826 (v850_restore_machine_status): New function.
8827 (v850_return_addr): New function.
8828 (v850_init_expanders): New function.
8830 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8831 and v850_init_expanders.
8833 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8835 * cpplib.h (struct cpp_reader): Add help_only field.
8836 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8837 (cpp_handle_option): Set pfile->help_only if we see -h,
8838 --help, -target-help, or --version. Print version string but
8839 do not set help_only if we see -v or -version. Make text
8840 printed by -v match that printed by (-)-version.
8842 * cppmain.c (main): Exit after option parsing if
8843 pfile->help_only is true.
8845 * toplev.c (independent_decode_option): Call print_version,
8846 then exit, if we see --version (but not -version).
8847 (print_version): Split lengthy message into two lines.
8849 2001-01-05 Nick Clifton <nickc@redhat.com>
8851 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8852 temporary string for initialisation before calling ggc_alloc_string.
8854 2001-01-06 Michael Hayes <mhayes@redhat.com>
8856 * rtl.h (print_simple_rtl): New.
8857 * print-rtl.c (print_simple_rtl): New.
8859 (print_rtx): Disable printing of flags and modes, etc.,
8860 if `flag_simple` nonzero.
8862 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8864 * function.c (fixup_var_refs): Use push_to_full_sequence where
8867 2001-01-05 Michael Meissner <meissner@redhat.com>
8869 * flags.h (flag_reorder_blocks): Add declaration.
8870 (flag_rename_block): Ditto.
8872 2001-01-05 DJ Delorie <dj@redhat.com>
8874 * function.c (reorder_blocks): Make sure the flags are all reset
8875 before using them to mark blocks, else a second invocation will
8876 corrupt the block chain.
8877 (reorder_blocks_0): New, resets the flags.
8879 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8881 * cse.c (find_comparison_args): Stop if the argument is known to
8884 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8886 * config/sh/sh.md (movdf): When splitting load into pair of
8887 registers, don't clobber the register used in the address too
8890 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8892 * varasm.c (mark_constant_pool): Improve initial comments.
8893 (mark_constants): Move marking of constants to mark_constant.
8894 (mark_constant): New function to recursively mark all constants
8895 referred to by a constant.
8897 2001-01-05 Catherine Moore <clm@redhat.com>
8899 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8901 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8903 * cp/lang-options.h: Bring comment in line with reality.
8904 * f/lang-options.h: Likewise.
8905 * java/lang-options.h: Likewise.
8906 * objc/lang-options.h: Likewise.
8907 * ch/lang-options.h: Likewise.
8908 * f/g77.texi: And update the manual.
8910 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8911 Denis Chertykov <denisc@overta.ru>
8913 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8914 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8915 * config/avr/avr.md (all peepholes that request a scratch register):
8916 Call it, FAIL the peephole if not safe (in interrupt functions).
8918 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8920 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8922 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8924 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8926 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8927 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8928 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8929 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8930 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8932 * extend.texi: Document these builtins.
8934 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8936 * c-common.c (lang_get_alias_set): Say we know nothing of
8937 VECTOR_TYPE aliasing.
8939 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8941 2001-01-05 Bruce Korb <bkorb@gnu.org>
8943 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8944 their x* equivalent versions for atexit-less systems
8945 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8946 systems (or any other system any more).
8948 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8950 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8951 output operands. Use arm_hard_register_operand for operand 4.
8952 (stmsi_postinc): Similarly.
8953 (ldmsi): Use arm_hard_register_operand for opernand 2.
8955 * arm.c (arm_hard_register_operand): New function.
8956 * arm-protos.h (arm_hard_register_operand): Prototype it.
8958 * arm.h (HARD_REGNO_RENAME_OK): Define.
8960 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8962 * simplify-rtx.c (cfc_args): add "unordered" field.
8963 (check_fold_consts): Set unordered field.
8964 (simplify_relational_operation): Simplify the unordered
8967 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8970 * emit-rtl.c (try_split): Fix code to mark labels.
8971 * jump.c (mark_jump_label): Make global.
8972 * rtl.h (mark_jump_label): Declare.
8974 * predict.c (estimate_probability): Handle unordred comparisons.
8976 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8978 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8979 * cppinit.c (initialize_dependency_output): Update.
8980 (cpp_finish): Output dummy targets for -MP.
8982 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8983 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8984 * gcc.c (cpp_options): Update to handle -MP.
8985 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8986 to quote only the default target.
8987 (deps_phony_targets): Insert a preceding newline. Rename from
8988 deps_dummy_targets for consistency.
8991 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8993 * calls.c (emit_library_call_value_1): Support
8994 INIT_CUMULATIVE_LIBCALL_ARGS.
8995 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8997 2001-01-04 Richard Henderson <rth@redhat.com>
8999 * c-decl.c (finish_struct): Detect flexible array members
9000 used in an inappropriate context.
9001 * c-typeck.c (really_start_incremental_init): Special case
9002 constructor_max_index for zero length arrays.
9003 (pop_init_level): Allow initialization of flexible array
9004 members. Deprecate initialization of zero length arrays.
9005 Don't issue missing initializer warning for flexible array
9006 members or zero length arrays.
9007 (process_init_element): Don't dereference null DECL_SIZE.
9008 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
9009 Don't abort for empty constructors. Use size_binop
9010 (output_constructor): Add commentary regarding zero length
9011 array futures. Abort if we try to initialize an array of
9012 unspecified length with a non-empty constructor in the middle
9015 * extend.texi (Zero Length): Update and clarify documentation
9016 on static initialization.
9018 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9020 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
9021 with more than 32767 words of local storage.
9023 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9025 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
9026 for 'abs', 'labs', and 'fabs'.
9027 (c4x_expand_builtin): Likewise.
9028 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
9030 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
9032 * config/sh/sh.md (prget, prset): New insn types.
9033 (return delay slot): Dont' allow prset.
9034 (call, sfunc delay slot): Don't allow prget.
9035 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
9036 for prset and prget.
9038 2001-01-05 Michael Hayes <mhayes@redhat.com>
9040 * loop.h (struct loop_reg): New.
9041 (struct loop_regs): Change to use array of `struct loop_reg'.
9042 * loop.c: Replace assortment of varrays with single regs array.
9043 (count_one_set): Delete may_not_move array argument
9044 and use regs array instead. All caller's changed.
9045 (count_loop_regs_set): Delete may_not_move and single_usage
9046 arguments and use regs array instead. All caller's changed.
9047 (find_single_use_in_loop): Replace usage array argument with pointer
9048 to regs structure. All caller's changed.
9049 (loop_optimize): Delete `moved_once' array.
9051 2001-01-05 Michael Hayes <mhayes@redhat.com>
9053 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
9054 Use it instead of loop_info->has_call for scanning loop mems.
9055 (check_dbra_loop): Replace loop_info->has_call test with
9056 loop_info->has_nonconst_call.
9058 2000-01-04 Matthew Hiller <hiller@redhat.com>
9060 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
9063 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9065 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
9066 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
9068 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
9070 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
9071 (flag_short_double, flag_short_wchar): Define.
9072 (c_common_nodes_and_builtins): Create many tree nodes shared
9073 between C and C++ here instead of in cp/decl.c and ...
9074 * c-decl.c (init_decl_processing): ... here.
9075 (SIZE_TYPE, WCHAR_TYPE): Don't define.
9076 (flag_short_double, flag_short_wchar): Don't define.
9077 (record_builtin_type): New function.
9078 (build_void_list_node): New function.
9079 * c-common.h (flag_short_double, flag_short_wchar,
9080 record_builtin_type, build_void_list_node): Declare.
9082 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
9084 * integrate.c (expand_inline_function): Don't put a virtual
9085 register into the reg map.
9087 * function.c (fixup_var_refs_1): If force_operand didn't put
9088 the address into the target, move it there.
9090 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9092 Special-case tree_decl/tree_list allocations.
9093 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
9094 (OBJECT_SIZE): New macro.
9095 (NUM_EXTRA_ORDER): Likewise.
9096 (extra_order_size_table): New variable.
9097 (NUM_ORDERS): New macro.
9098 (objects_per_page_table): New variable.
9099 (object_size_table): New variable.
9100 (G.pages): Use NUM_ORDERS to bound the array.
9101 (G.page_tails): Likewise.
9102 (DIV_ROUND_UP): Remove.
9103 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
9104 (alloc_page): Use OBJECT_SIZE.
9105 (size_lookup): Don't make it const.
9106 (ggc_alloc): Use OBJECT_SIZE.
9107 (ggc_set_mark): Likewise.
9108 (ggc_get_size): Likewise.
9109 (init_ggc): Set up the object_size_table, objects_per_page_table,
9110 and adjust size_lookup.
9111 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
9112 (ggc_pop_context): Use NUM_ORDERS.
9113 (clear_marks): Likewise.
9114 (sweep_pages): Likewise.
9115 (poison_pages): Likewise.
9116 (ggc_print_statistics): Use OBJECT_SIZE.
9118 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9120 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
9121 Only call array_size_for_constructor if last field and array type
9122 with no upper bound.
9124 2001-01-04 Philip Blundell <philb@gnu.org>
9126 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
9127 from bit 31 downwards, if this requires no more insns.
9128 (count_insns_for_constant): New helper function for above.
9130 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
9132 * gencodes.c (output_predicate_decls): Remove empty initializer.
9134 2001-01-04 Mark Mitchell <mark@codesourcery.com>
9136 * tree.c (copy_node): Remove documentation about obstacks.
9137 (buidl1): Check that nobody tries to build 2-argument nodes this
9140 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9142 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
9145 * gencodes.c (output_predicate_decls): Fill empty initializer
9148 2001-01-04 Jakub Jelinek <jakub@redhat.com>
9150 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
9151 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
9153 (do_include): Handle missing headers like cpp0.
9154 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
9155 paths with first include pathname. Don't strcat to uninitialized
9158 2001-01-04 Bernd Schmidt <bernds@redhat.com>
9160 * regrename.c (regrename_optimize): Don't rename from frame pointer
9161 if frame_pointer_needed.
9162 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
9163 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
9164 (ia64_reorg): Use it instead of scheduling if ! optimize.
9165 (errata_emit_nops): Properly call asm_noperands.
9166 (ia64_sched_reorder): Finish cycle if we see an asm.
9167 (ia64_variable_issue): Clear scheduling state after asms.
9169 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
9171 * cpp.texi: Update for -MT.
9172 * cppinit.c (initialize_dependency_output): Add a default
9173 target if none has been given already.
9174 (no_tgt, OPT_MT): New.
9175 (cpp_handle_option): Handle -MT. Update -M etc.
9176 * cpplib.h (struct cpp_options): Remove deps_target.
9177 * gcc.c (cpp_options): Handle -MT.
9178 * mkdeps.c (struct deps): Move from mkdeps.h.
9179 (deps_calc_target): Rename deps_add_default_target. Add a
9180 default target if none has been specified already.
9181 * mkdeps.h (struct deps): Move to mkdeps.c.
9182 (deps_calc_target): Rename deps_add_default_target.
9184 2000-01-03 Richard Henderson <rth@redhat.com>
9186 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
9188 * c-typeck.c (push_init_level): Move checks for flexible array
9189 members and zero length arrays ...
9190 (pop_init_level): ... here. Silently discard empty initializations.
9192 * varasm.c (output_constructor): Update for sizeof change to
9195 * extend.texi (Zero Length): Clarify semantics.
9197 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9199 * configure.in (tm.h): Include isns-codes.h last.
9200 * configure: Rebuilt.
9202 2001-01-03 Richard Henderson <rth@redhat.com>
9204 * config/alpha/alpha.md (addvsi3, addvdi3): New.
9205 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
9207 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9209 * tradcpp.c (main): Make sure finclude() is called with a valid
9210 indepth value while handling -include.
9212 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9214 * gencodes.c (output_predicate_decls): New function.
9216 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
9217 even if it is not the first time machmode.h is #included.
9218 * config/sh/sh.c (fpul_operand): Declare MODE argument.
9219 * tm.texi (PREDICATE_CODES): Document predicate declarations.
9220 * gcc.texi (Copyright): Added 2001.
9222 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9224 * c-common.c (c_common_lang_init): New function. Warn if format
9225 warning options which only have effects when used with -Wformat
9226 are used without -Wformat.
9227 * c-common.h (c_common_lang_init): Declare.
9228 * c-lang.c (lang_init): Call c_common_lang_init.
9229 * objc/objc-act.c (lang_init): Call c_common_lang_init.
9231 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9233 * configure.in: Check for the mktemp command.
9234 * configure: Regenerate.
9235 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9236 $TEMP. Create temporary files with mktemp, if available at
9237 configure time; otherwise use set -C. Remove temporary files
9240 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9242 * configure.in: Require at least texinfo 4.0. Check for whether
9243 Pod::Man is sufficiently recent to regenerate GCC manpages.
9244 * configure: Regenerate.
9245 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9247 (GENERATED_MANPAGES): Define.
9248 (generated-manpages): New target. Depend on cpp.1 as well as
9250 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9251 configure to generated-manpages or empty) rather than on the
9252 manpages directly. Remove execute permission from installed
9253 gcov.1 as well as cpp.1.
9254 * cpp.1, gcov.1: Regenerate.
9256 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9258 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9259 tree_low_cst. Allow using cmpstrsi in more cases.
9261 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9263 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9266 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9268 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9269 * Makefile.in (HOST_CFLAGS): Mention build-make.
9271 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9273 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9276 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9278 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9281 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9284 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9285 reg_base_value and reg_known_value arrays.
9286 (init_alias_analysis): Add more cases to detect known values.
9287 * sched-deps.c (deps_may_trap_p): New function.
9288 (sched_analyze_2): Use it.
9290 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9292 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9293 don't discard an ASHIFTRT if we're shifting in a wider mode.
9295 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9297 * toplev.c (rest_of_compilation): Don't print basic block information
9298 when CFG isn't up to date.
9300 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9302 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9303 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9304 (UNALIGNED_SHORT_ASM_OP): Define.
9305 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9307 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9309 * fold-const.c (fold_convert): Fix typo.
9311 2001-01-02 Richard Henderson <rth@redhat.com>
9313 * c-common.h (ASM_INPUT_P): New.
9314 * c-parse.in (asm): Set it when needed.
9315 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9316 existance of an operand.
9318 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9320 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9321 (dwarf2out_frame_debug_expr): Likewise.
9322 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9324 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9326 * i386.c (ix86_split_to_parts): Return number of part required;
9328 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9330 (ix86_split_long_move): Use number of part returned
9331 by ix86_split_to_parts
9332 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9334 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9335 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9336 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9337 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9338 (ALIGN_MODE_128): Add TFmode.
9339 (IS_STACK_MODE): Likewise.
9340 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9341 (HARD_REGNO_OK): Support TFmodes.
9342 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9343 * i386.md (scheduler definitions): Use memory operand to determine
9344 fst/fld instructions; use mode attribute to determine real mode of
9346 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9347 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9349 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9351 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9353 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9355 * expr.c (store_constructor_field): Update ALIGN before calling
9358 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9360 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9363 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9365 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9368 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9370 * c-decl.c (start_function): Don't warn on third parameter to main.
9372 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9374 * tsystem.h: Define HAVE_DECL_GETOPT.
9376 2001-01-02 Philip Blundell <pb@futuretv.com>
9378 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9381 2001-01-02 Richard Henderson <rth@redhat.com>
9383 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9385 2001-01-02 Andreas Jaeger <aj@suse.de>
9387 * c-decl.c (c_decode_option): Remove support of
9390 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9391 (W_options): Add -Wmissing-noreturn here.
9393 * flow.c: Define lang_missing_noreturn_ok_p.
9394 (check_function_return_warnings): Use it.
9396 * c-common.h: Declare lang_missing_noreturn_ok_p.
9398 * c-lang.c (c_missing_noreturn_ok_p): New function.
9399 (lang_init): Set lang_missing_noreturn_ok_p.
9401 * invoke.texi (Warning Options): Document this.
9403 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9405 * extend.texi (C++ Extensions): New node for C++ attributes;
9406 describe init_priority and com_interface.
9407 * invoke.texi: Remove -finit-priority as it now has zero effect.
9408 * install.texi: Fix xref syntax.
9409 * md.texi: Likewise.
9411 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9413 * config.gcc (sparc64-wrs-vxworks*): New case.
9414 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9416 * config/sparc/sparc.c (sparc_override_options): Do support different
9417 pointer and architecture size.
9418 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9419 (POINTERS_EXTEND_UNSIGNED): Define.
9420 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9421 (FUNCTION_MODE): Define to be Pmode.
9422 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9424 * function.c (expand_function_end): Properly handle DECL_RESULT
9425 and copy when ptr_mode != Pmode.
9426 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9428 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9430 * c-common.c (c_common_nodes_and_builtins): Set prototype
9431 parameters for __builtin_fputs, __builtin_fputc and
9432 __builtin_fwrite. Don't declare plain fputc as a builtin.
9434 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9436 * loop.c (add_label_notes): Increment the label usage count when
9437 a note is added to an insn which refers to a CODE_LABEL.
9438 * gcse.c (add_label_notes): Likewise.
9440 2001-01-01 Andreas Jaeger <aj@suse.de>
9442 * loop.c (scan_loop): Use xmalloc to allocate movables.
9444 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9446 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9447 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9448 * reload1.c (REGISTER_MOVE_COST): Likewise.
9449 * regclass.c (REGISTER_MOVE_COST): Likewise.
9450 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9451 dimension. Adjust all users.
9452 (init_reg_sets_1): Iterate on all modes.
9453 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9454 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9455 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9456 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9457 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9458 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9459 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9460 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9461 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9462 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9463 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9464 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9465 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9466 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9467 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9468 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9469 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9470 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9471 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9472 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9473 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9474 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9475 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9476 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9477 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9478 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9479 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9481 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9483 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9484 arg VARIES_P. Call it with extra arg.
9485 (true_dependence): Likewise.
9486 * rtl.h (rtx_addr_can_trap_p): Declare.
9487 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9489 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9490 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9491 pic offset table register if it's zero. All callers changed.
9492 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9494 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9496 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9497 STRING_POOL_ADDRESS_P.
9499 * config/sparc/sparc.c (input_operand): Properly test for short op.
9501 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9502 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9503 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9504 * config/sparc/elf.h: No longer include sol2.h.
9505 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9506 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9508 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9510 2001-01-01 Michael Hayes <mhayes@redhat.com>
9512 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9513 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9514 (record_initial): Likewise.
9515 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9516 (remap_split_bivs): Likewise.
9518 2001-01-01 Michael Hayes <mhayes@redhat.com>
9520 * loop.c (loop_ivs_free): New function.
9521 (strength_reduce): Break out from...
9523 2001-01-01 Michael Hayes <mhayes@redhat.com>
9525 * loop.h (struct iv): New.
9526 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9527 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9528 'reg_biv_class' fields with 'regs' and 'n_regs'.
9529 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9530 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9531 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9533 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9535 * resource.c (mark_referenced_resources): Abort() before
9536 attempting to mark a pseudo register.
9537 (mark_set_resources): Likewise.
9539 2001-01-01 Michael Hayes <mhayes@redhat.com>
9541 * loop.h (REG_IV_CLASS): New accessor macro.
9542 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9543 * unroll.c (REG_IV_CLASS): Likewise.
9545 See ChangeLog.4 for earlier changes.