1 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
3 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4 assembler supports .p2align.
6 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
8 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
10 2001-04-26 Jakub Jelinek <jakub@redhat.com>
12 * integrate.c (expand_inline_function): Check for error_mark_node
15 2001-04-26 Jakub Jelinek <jakub@redhat.com>
17 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
20 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
22 * configure.in (configargs.h): Define thread_model.
24 * gcc.c (main): Print it with -v.
26 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
28 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
29 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
32 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
34 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
35 is_redundant_typedef): Use static inline instead of inline static.
37 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
39 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
40 this directory is always searched.
42 2001-04-25 Richard Henderson <rth@redhat.com>
44 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
45 of registers to restore along non eh_return path.
47 2001-04-25 Jakub Jelinek <jakub@redhat.com>
49 * c-format.c (check_format_info_recurse): Handle
50 PLUS_EXPR for format string.
52 2001-04-25 Jakub Jelinek <jakub@redhat.com>
54 * config/ia64/ia64.h (CC1_SPEC): Define.
55 * config/ia64/linux.h (CC1_SPEC): Define.
57 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
59 * emit-rtl.c (constant_subword): Also do sign extension in
60 BITS_PER_WORD == 16 case.
62 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
64 * loop.c (try_swap_copy_prop): Go back to checking insn.
66 2001-04-25 Jakub Jelinek <jakub@redhat.com>
68 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
69 if check_mode is non-zero.
71 2001-04-25 Jakub Jelinek <jakub@redhat.com>
73 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
74 out and comparison sequence has been detected, put result into
75 proper temporary pseudo.
77 2001-04-24 Zack Weinberg <zackw@stanford.edu>
79 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
80 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
81 * libgcc2.c: Remove __dummy and __builtin_saveregs.
82 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
83 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
86 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
88 * except.c (reachable_handlers): Step out one level from a RESX.
90 * except.c (struct eh_region): Rename 'last' to 'resume'.
91 (mark_eh_region, duplicate_eh_region_1): Adjust.
92 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
93 (build_post_landing_pads): Likewise.
94 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
95 (expand_eh_region_end_must_not_throw): Likewise.
96 (connect_post_landing_pads): Thread (only) regions with non-deleted
99 * except.c (expand_eh_region_end_cleanup): Save the EH return data
100 registers around the cleanup.
101 (get_exception_filter): New fn.
102 (finish_eh_generation): Use it.
104 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
106 * c-semantics.c (add_scope_stmt): Don't call
107 current_scope_stmt_stack multiple times.
109 2001-04-24 Zack Weinberg <zackw@stanford.edu>
110 Nathan Sidwell <nathan@codesourcery.com>
112 Lazy __FUNCTION__ generation.
113 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
114 RID_C99_FUNCTION_NAME): New _RIDs.
115 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
116 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
117 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
119 (function_id_node, pretty_function_id_node, func_id_node): Remove.
120 (c99_function_name_decl_node, function_name_decl_node,
121 pretty_function_name_decl_node, saved_function_name_decls):
123 (struct language_function): Remove x_function_name_declared_p.
124 (make_fname_decl): Remove a parameter.
125 (declare_function_names): Remove prototype.
126 (start_fname_decls, finish_fname_decls): Prototype.
127 (fname_as_string): Likewise.
128 (fname_string, fname_decl): Likewise.
129 * c-common.c (make_fname_decl): Adjust.
130 (struct fname_var_t): New struct.
131 (fname_vars): New static array.
132 (declare_function_name): Remove.
133 (start_fname_decls, finish_fname_decls): New functions.
134 (fname_as_string): New function from remnants of
135 declare_function_name.
136 (fname_string, fname_decl): New functions.
138 * c-decl.c (c_function_name_declared_p): Remove.
139 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
140 don't call declare_function_name. Call start_fname_decls.
141 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
142 clobber the line number. Call finish_decl.
143 (start_function): Call start_fname_decls.
144 (finish_function): Call finish_fname_decls.
145 Remove c_function_name_declared_p.
146 (push_c_function_context): Don't push c_function_name_declared_p.
147 (pop_c_function_context): Don't pop c_function_name_declared_p.
148 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
149 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
150 (program): Call finish_fname_decls for C.
151 (primary): Add VAR_FUNC_NAME.
152 (reswords): Add slots for __FUNCTION__ et al.
153 (rid_to_yy): Add mappings for __FUNCTION__ et al.
154 (yylexname): If it's a STRING_FUNC_NAME generate the function name
155 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
156 * c-semantics.c (prune_unused_decls): Remove.
157 (finish_stmt_tree): Don't call prune_unused_decls.
158 (genrtl_decl_stmt): Don't prune unused decls here.
160 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
162 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
163 constant pool, use the pool's SYMBOL_REF instead.
165 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
168 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
170 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
171 passing nested NOP_EXPRs to fold.
173 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
175 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
177 2001-04-22 Mark Mitchell <mark@codesourcery.com>
179 * loop.c (loop_delete_insns): Add prototype.
181 2001-04-23 Phil Edwards <pme@sources.redhat.com>
183 * configure.in: Remove ENABLE_STD_NAMESPACE.
184 * config.in: Regenerated.
185 * configure: Regenerated.
187 2001-04-22 Stan Shebs <shebs@apple.com>
189 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
191 * config/rs6000/xm-darwin.h: Remove file.
193 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
195 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
196 (write_c_file_stat): Likewise.
198 * dbxout.c (dbxout_init): Likewise.
200 * profile.c (output_func_start_profiler): Likewise.
202 2001-04-22 Philipp Thomas <pthomas@suse.de>
204 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
205 require it instead of the CVS version.
206 * cpperror.c (v_message): Put a blank before the macro
207 body to not confuse exgettext.
209 2001-04-21 Mark Mitchell <mark@codesourcery.com>
211 * flow.c (proagate_one_insn): Remove useless assignment.
212 * jump.c (delete_insn): Tidy.
213 * loop.c (try_copy_prop): When deleting an instruction with a
214 REG_RETVAL note, delete the entire libcall sequence.
215 (loop_delete_insns): New function.
216 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
217 we're not substituting into them yet.
219 2001-04-21 Kazu Hirata <kazu@hxi.com>
221 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
223 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
225 * config/i960/i960.c (signed_arith_operand): Likewise.
227 * calls.c (expand_call): Fix a comment typo.
229 2001-04-20 Zack Weinberg <zackw@stanford.edu>
231 * configure.in: Probe for times, clock, struct tms, and clock_t.
232 * configure, config.in: Regenerate.
233 * timevar.c: Replace ifdef forest in get_time with (relatively)
234 straightforward series of checks based on autoconf's probes.
236 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
238 * config/pa/som.h (NM_FLAGS): Define.
240 2001-04-20 Bernd Schmidt <bernds@redhat.com>
242 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
244 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
245 * ia64.c (nop_cycles_until): New function.
246 (prev_cycle, prev_first, last_issued): New static variables.
247 (ia64_sched_reorder): Additional arg for clock.
248 On final scheduling pass, emit extra NOPs as needed.
249 Set prev_first and prev_cycle.
250 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
251 (ia64_variable_issue): Set last_issued.
253 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
255 * config/i386/i386.c (ix86_expand_int_movcc,
256 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
258 2001-04-20 Geoff Keating <geoffk@redhat.com>
260 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
261 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
262 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
263 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
264 ctrdi_internal6): In the short-branch case, this insn is only 4
265 bytes long. Reported by Reza Yazdani <reza@apple.com>.
267 2001-04-20 Jakub Jelinek <jakub@redhat.com>
269 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
270 "=u" is used together with "st" resp. "st(1)" clobber.
272 2001-04-20 Jakub Jelinek <jakub@redhat.com>
274 * gcse.c (gcse_main): Fix comment typo.
275 (delete_null_pointer_check): Likewise.
276 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
277 * cse.c (cse_insn): Likewise.
278 * function.c (fixup_var_refs_insns_with_hash): The sequence is
281 2001-04-19 Zack Weinberg <zackw@stanford.edu>
283 * toplev.c: Excise all code for the undocumented -dm option.
284 (float_signal): Call signal just once, unconditionally.
286 2001-04-19 Geoff Keating <geoffk@redhat.com>
288 * fold-const.c (fold): Use first_rtl_op rather than
289 TREE_CODE_LENGTH when looping over parameters of a tree.
290 Correct strange grouping in test for evaluated SAVE_EXPR.
292 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
294 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
295 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
297 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
298 name at 32 total characters.
299 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
300 functions in named sections -- data items can still go into unique
301 sections, but they have normal names (ie $LIT$ and $DATA$).
303 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
306 2001-04-19 DJ Delorie <dj@redhat.com>
308 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
309 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
310 * config/i386/cygwin.h: Likewise.
311 * config/i386/mingw32.h: Likewise.
312 * config/vax/vms.h: Likewise.
313 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
315 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
316 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
317 * config/i386/xm-cygwin.h: Likewise.
318 * config/i386/xm-djgpp.h: Likewise.
319 * config/i386/xm-mingw32.h: Likewise.
320 * config/vax/xm-vms.h: Likewise.
322 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
323 instead of OBJECT_SUFFIX.
324 * collect2.c (find_a_file): Look for files matching the extension
325 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
326 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
327 TARGET_EXECUTABLE_SUFFIX.
328 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
329 (make_relative_prefix): Likewise.
330 (convert_filename): Use TARGET_ suffixes throughout. Remove
332 (process_command): Likewise.
333 (do_spec_1): Likewise.
334 * java/lang.c (init_parse): Likewise.
336 * gcc.texi : Document four new options matching the pattern
337 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
338 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
339 documentation for NO_AUTO_EXE_SUFFIX.
341 2001-04-19 Mark Mitchell <mark@codesourcery.com>
343 * toplev.h (struct lang_hooks): Allow decode_option to indicate
344 that language-independent processing should not be done.
345 * toplev.c (main): Adjust accordingly.
347 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
348 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
350 * mips.md (reload_outputdi): Require that operand0 be a
353 2001-04-19 Jakub Jelinek <jakub@redhat.com>
355 * invoke.texi (-Wshadow): Clarify.
357 2001-04-18 Mark Mitchell <mark@codesourcery.com>
359 * loop.c (load_mems): Examine all the instructions in the loop
360 before concluding that all jumps branch to the first instruction
363 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
365 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
367 2001-04-18 Jakub Jelinek <jakub@redhat.com>
369 * cpp.texi (-Wwhite-space): Remove.
370 (-Wall): -Wall does not imply -Wwhite-space.
372 2001-04-17 Zack Weinberg <zackw@stanford.edu>
374 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
375 use it instead of blindly generating a .stabs.
376 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
378 * xcoffout.c: Don't bother defining default for N_CATCH.
379 (UNKNOWN_STAB): Use internal_error.
380 (stab_to_sclass): Remove now-unnecessary aborts.
381 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
383 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
385 * jump.c (mark_all_labels): Canonicalize the tail recursion
386 label attached to CALL_PLACEHOLDER insns.
388 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
390 * output.h (dump_flow_info, free_basic_block_vars,
391 which_alternative): Delete redundant prototypes.
393 * rtl.h (bss_section): Likewise.
395 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
397 * dbxout.c (N_OPT): Define if not available from <stab.h>
399 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
401 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
402 libraries and native K&R compilers.
404 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
406 * c-typeck.c (convert_arguments): Don't check for width changes
409 * invoke.texi (-Wtraditional): Update documentation.
411 2001-04-16 Zack Weinberg <zackw@stanford.edu>
413 * toplev.c (output_lang_identify): Delete.
414 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
415 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
416 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
417 after calling ASM_FILE_END.
419 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
420 Instead, unconditionally emit an N_OPT stab with string equal
421 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
423 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
425 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
426 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
427 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
428 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
429 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
430 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
431 config/i370/i370.h, config/i386/beos-elf.h,
432 config/i386/osf1elf.h, config/i386/osfrose.h,
433 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
434 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
435 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
436 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
437 config/mips/iris6.h, config/mips/osfrose.h,
438 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
439 config/sparc/sp64-elf.h:
440 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
441 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
443 * config/elfos.h, config/freebsd.h, config/linux.h,
444 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
445 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
446 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
447 of ASM_FILE_START which merely emit a .version directive. Delete
448 definitions of ASM_FILE_END which merely emit an .ident directive.
450 * config/avr/avr.h, config/vax/vax.h: Delete definition of
451 ASM_IDENTIFY_GCC and move part of its logic into
454 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
455 config/sparc/linux-aout.h: Don't emit .version directive in
458 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
459 (output_file_start): Correct comment.
461 * config/i386/osfrose.h: Don't emit trailing .ident directive.
462 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
464 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
465 * config/rs6000/aix.h: Correct comment.
467 * config/i386/i386afe.h: Delete.
468 * config.gcc: Remove references to i386afe.h.
470 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
471 other macros deleted by this patch were undocumented.
473 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
475 * pa.md (reload_outdi): Operand 0 must be a non hard register.
477 * pa.c (secondary_reload_class): SAR<->FP copies require a
480 * install.texi (mips-mips-bsd): Update list of functions
481 required to include memmove.
482 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
483 used functions to include memmove.
485 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
487 * i386.md (sqrtdf2): SFmode should be DFmode.
489 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
491 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
492 (find_moveable_store): Likewise.
494 2001-04-15 Jim Wilson <wilson@redhat.com>
496 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
498 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
500 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
501 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
503 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
505 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
508 2001-04-14 Alan Modra <amodra@one.net.au>
510 * pa.c (force_mode): New function.
511 (emit_move_sequence): Use it instead of generating new rtx_REGs.
513 2001-04-13 Jim Wilson <wilson@redhat.com>
515 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
516 (first_instruction): New static variable.
517 (rtx_needs_barrier): Return 1 for alloc.
518 (init_insn_group_barriers): Set first_instruction.
519 (rws_sum): Delete duplicate definition.
520 (group_barrier_needed_p): Return 0 when first_instruction true.
521 (safe_group_barrier_needed_p): Save and restore first_instruction
522 around group_barrier_needed_p call.
524 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
526 * expr.h (enum libfunc_index): Add LTI_memmove.
527 (memmove_libfunc): Define macro.
528 * optabs.c (init_optabs): Initialize memmove_libfunc.
529 * expr.c (expand_assignment): Use memmove_libfunc instead of
532 2001-04-13 Alan Modra <alan@linuxcare.com.au>
534 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
537 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
539 * Makefile.in (reg-stack.o): Depend on reload.h.
540 (insn-attrtab.o): Depend on flags.h.
542 * genattrtab (main): Include flags.h in insn-attrtab.c.
544 * reg-stack.c: Include reload.h.
546 * sparc.h (flag_pic): Delete redundant declaration.
548 * output.h (flag_pic): Likewise.
550 * tree.h (pedantic): Likewise.
552 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
554 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
556 * jump.c, regmove.c, toplev.c: Include reload.h.
558 * reload.h (reload_cse_regs): Declare.
560 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
561 reload_cse_regs, init_reload, mark_home_live, reload,
562 init_caller_save): Delete redundant prototypes.
564 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
566 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
568 * regclass.c, ssa.c: Include expr.h.
570 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
571 gen_move_insn): Delete redundant declarations.
573 2001-04-13 Alan Modra <amodra@one.net.au>
575 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
576 PIC_OFFSET_TABLE_SAVE_RTX.
577 (zdepi_cint_p): Describe zdepi insn.
578 Formatting and white space fixes throughout file.
580 * pa.c (uint32_operand): Don't use long constant >= 2^32.
581 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
582 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
583 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
584 (output_64bit_and): Use plain `int's for shift counts.
585 (output_64bit_ior): Likewise.
586 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
587 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
590 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
591 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
592 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
593 NEW_HP_ASSEMBLER into one. Kill warnings.
595 * pa-gas.h: Delete file.
596 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
597 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
598 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
599 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
601 * config/pa/mill32.S: New file.
602 * config/pa/mill64.S: New file.
603 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
604 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
605 * config/pa/t-linux64: New file.
606 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
607 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
608 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
610 * elfos.h (SELECT_SECTION): Undef before defining.
611 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
612 (LIB_SPEC): Remove -lmilli.
613 (DBX_REGISTER_NUMBER): Remove.
614 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
615 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
616 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
617 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
618 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
619 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
620 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
622 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
623 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
624 regs if we don't have a prototype.
625 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
626 * pa.h (TARGET_ELF32): Default to 0 if undefined.
627 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
628 EH_RETURN_HANDLER_RTX): Define.
629 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
630 (DWARF_FRAME_REGNUM): Define.
631 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
632 * pa32-linux.h: New file.
633 * pa64-linux.h: New file.
635 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
636 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
637 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
638 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
639 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
640 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
641 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
642 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
643 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
644 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
645 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
646 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
647 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
648 * pa64-hpux.h: New file.
649 (ASM_FILE_START): Correct typo.
650 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
651 * config.gcc: Modify for above.
653 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
655 * jump.c (jump_optimize_1): Don't delete dead stores here.
656 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
657 prior to running jump optimize before cse2.
659 2001-04-12 Richard Henderson <rth@redhat.com>
661 * Makefile.in (regmove.o): Depend on except.h.
662 * regmove.c: Include it.
664 2001-04-12 Stan Shebs <shebs@apple.com>
666 * objc/objc-act.c: Remove all code ifdefed with the never-used
667 macro OBJC_INT_SELECTORS.
668 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
669 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
671 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
673 * config/pa/quadlib.c: Add prototypes.
675 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
677 * bitmap.h (debug_bitmap): Delete redundant prototype.
679 * rtl.h (get_frame_size): Likewise.
681 2001-04-12 Jim Wilson <wilson@redhat.com>
683 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
684 to just emit an fnorm.
686 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
688 * c-common.h (truthvalue_conversion, type_for_mode,
689 type_for_size): Delete redundant declarations.
691 * c-lex.h (is_class_name): Likewise.
693 * c-tree.h (pedantic, convert, getdecls, gettags,
694 global_bindings_p, init_decl_processing, insert_block,
695 maybe_build_cleanup, poplevel, print_lang_decl,
696 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
697 set_block, incomplete_type_error, build_function_call,
698 lvalue_or_else, mark_addressable): Likewise.
700 * expr.h (expand_tree_builtin): Likewise.
702 2001-04-12 Mark Mitchell <mark@codesourcery.com>
704 * invoke.texi: Document --param max-gcse-memory.
706 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
708 * configure.in (errno): Check for declaration.
709 * configure, config.in: Regenerated.
711 * system.h (errno): Only declare if not already done.
713 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
715 * recog.c (general_operand, immediate_operand,
716 nonmemory_operand): Require CONST_INTs to be sign-extended
717 values for their modes.
719 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
721 * expmed.c (store_bit_field): Truncate CONST_INTs.
722 (expand_mult_highpart, expand_divmod): Likewise.
723 * expr.c (convert_modes, store_field): Likewise.
724 * integrate.c (expand_inline_function): Use promote_mode() to
725 determine whether to convert_modes() an argument as signed
727 * optabs.c (expand_binop): Get CONST_INT operands
728 sign-extended for their appropriate modes.
729 * stmt.c (emit_case_nodes): Convert node values to the
731 (expand_end_case): Convert minval and range to the appropriate
733 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
734 the iteration variable.
735 * varasm.c (immed_double_const): Don't require words to be
736 narrower than host wide ints to properly sign-extend
739 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
741 * sh.md (builtin_setjmp_receiver): New expander.
743 2001-04-12 David Edelsohn <dje@watson.ibm.com>
745 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
746 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
747 for generating CONST_INT and CONST_DOUBLE.
749 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
751 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
752 already sign-extended.
753 (rs6000_emit_prologue): Make register iterator signed.
754 (rs6000_emit_epilogue): Likewise.
755 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
757 (movsf split, movdf split): Sign-extend CONST_INTs.
758 (movdi splits): Likewise.
760 2001-04-12 Kelley Cook <kelley.cook@home.com>
762 * config-lang.in (lang_dirs): Add in zlib.
764 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
766 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
767 operands that make it to RTL.
769 2001-04-11 Stan Shebs <shebs@apple.com>
771 Add Darwin (Mac OS X kernel) native support.
772 * config.gcc (powerpc-*-darwin*): Add native bits.
773 * config/darwin.c: New file, generic Darwin support functions.
774 * config/darwin.h: New file, generic Darwin definitions.
775 * config/darwin-protos.h: New file, generic Darwin prototypes.
776 * rs6000/darwin.h: New file, Darwin for PowerPC.
777 * rs6000/t-darwin: New file, Darwin makefile fragment.
778 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
779 (TARGET_MACHO): Ditto.
780 (rs6000_abi): Add ABI_DARWIN.
781 (RS6000_REG_SAVE): Add ABI_DARWIN case.
782 (RS6000_SAVE_AREA): Ditto.
783 (FP_ARG_MAX_REG): Ditto.
784 (RETURN_ADDRESS_OFFSET): Ditto.
785 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
787 (rs6000_emit_move): Add ABI_DARWIN cases.
788 (print_operand): Ditto.
789 (first_reg_to_save): Ditto.
790 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
791 (debug_stack_info): Ditto.
792 (rs6000_emit_prologue): Ditto.
793 (rs6000_emit_epilogue): Ditto.
794 (output_profiler_hook): Ditto.
795 (output_function_profiler): Ditto.
796 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
797 (output_mi_thunk): Add TARGET_MACHO case.
798 (add_compiler_stub): Ditto.
799 (output_compiler_stub): Ditto.
800 (no_previous_def): Ditto.
801 (output_call): Ditto.
802 (machopic_output_stub): Ditto.
803 (rs6000_machopic_legitimize_pic_address): Ditto.
804 (toc_section): Ditto.
805 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
809 (load_macho_picbase): Ditto.
810 (call): Add TARGET_MACHO case to modify function.
812 (call_nonlocal_sysv): Add ABI_DARWIN case.
813 (call_value_nonlocal_sysv): Ditto.
814 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
816 (machopic_output_stub): Ditto.
817 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
819 2001-04-11 Mark Mitchell <mark@codesourcery.com>
821 * dwarf2out.c (modified_type_die): Don't create new types here.
822 * tree.h (get_qualified_type): New function.
823 (build_qualified_type): Adjust comment.
824 * tree.c (get_qualified_type): New function.
825 (build_qualified_type): Use it.
827 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
829 * cpp.texi (-Wtraditional): Update description.
831 * invoke.texi (-Wtraditional): Likewise.
833 2001-04-11 Jim Wilson <wilson@redhat.com>
835 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
836 requires more than 64 bits of alignment.
838 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
840 * cpplib.c (do_line): Sanity check iff enable checking.
842 2001-04-11 Richard Henderson <rth@redhat.com>
844 * Makefile.in (insn-recog.o): Depend on toplev.h.
845 (insn-emit.o, doloop.o): Likewise.
846 * genrecog.c, genemit.c: Include toplev.h in generated file.
847 * doloop.c: Include toplev.h.
849 2001-04-11 Mark Mitchell <mark@codesourcery.com>
851 * Makefile.in (gcse.o): Depend on params.h.
852 * gcse.c: Include params.h.
853 (gcse_main): Don't do GCSE if doing so will take inordinate
855 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
856 * params.h (MAX_GCSE_MEMORY): New macro.
858 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
860 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
862 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
864 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
868 * real.h (ereal_atof, real_value_truncate, target_isnan,
869 target_isinf, target_negative, assemble_real, debug_real): Delete
870 redundant prototypes.
872 * Makefile.in (ifcvt.o): Depend on toplev.h.
874 * c-semantics.c: Include expr.h.
876 * ifcvt.c: Include toplev.h.
878 * expr.h (rtx_equal_p): Delete prototype.
880 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
881 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
882 eliminate_constant_term, expand_complex_abs, find_single_use,
883 make_tree, init_expr_once, init_optabs, supports_one_only):
886 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
887 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
888 expand_assignment, store_expr, emit_line_note_after,
889 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
891 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
893 * sparc-protos.h: Delete redundant prototypes.
895 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
897 * reload.c (push_reload): Add condition missed in SUBREG byte
900 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
902 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
904 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
906 * i386.md (floatsisf_sse): Fix output template
907 * i386.c (ix86_expand_fp_movcc)
909 * reg-stack.c (emit_pop_insn): Handle complex modes.
910 (move_for_stack_reg): Emit proper move mode.
911 (subst_stack_regs_pat): Handle complex modes.
913 2001-04-11 Jakub Jelinek <jakub@redhat.com>
915 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
917 2001-04-10 Richard Henderson <rth@redhat.com>
919 * libgcc2.h (__terminate_func_ptr): Remove typedef.
920 (__pure_virtual, __terminate, __terminate_set_func,
921 __default_terminate, __throw_type_match, __empty,
922 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
923 __eh_rtime_match, __unwinding_cleanup, __rethrow,
924 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
925 Remove prototypes of deleted functions.
927 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
929 * c-typeck.c (convert_arguments): -Wtraditional now activates
930 -Wconversion warnings, except for changes in signed-ness.
931 Detect complex<->int & int<->complex conversions as well.
933 * invoke.texi (-Wtraditional): Document it.
935 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
937 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
938 * flow.c (set_block_for_new_insns): Remove needless cast and
939 properly check for unset block number.
941 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
943 * function.c (purge_single_hard_subreg_set): Only check REGNO if
944 the subreg was a hard register. Pseudos are left as subregs.
946 2001-04-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
948 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
949 (LIB2ADD_ST): New macro, pass it to mklibgcc.
950 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
951 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
952 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
954 2001-04-09 Bo Thorsen <bo@suse.co.uk>
956 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
958 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
960 * output.h (set_block_num): Missed it earlier, remove deprecated
963 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
965 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
966 (load_killed_in_block_p): Change bb parameter from int to basic_block.
967 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
968 (handle_rd_kill_set): Change bb parameter from int to basic_block.
969 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
970 (expr_killed_p): Change bb parameter from int to basic_block, pass
971 basic_blocks instead of ints as parameters.
972 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
973 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
974 from int to basic_block, pass basic_blocks instead of ints as parms.
975 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
976 parameter from int to basic_block, pass basic_blocks instead of ints.
977 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
978 (insert_insn_end_bb): Change bb parameter from int to basic_block,
979 pass basic_blocks instead of ints.
980 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
981 basic_blocks instead of ints as parameters.
982 (pre_delete): Pass basic_blocks instead of ints as parameters.
983 (hoist_expr_reaches_here_p): Change bb parameter from int to
984 basic_block, pass basic_blocks instead of ints.
985 (hoist_code): Pass basic_blocks instead of ints as parameters.
986 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
987 Change bb parameter from int to basic_block.
988 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
989 (insert_insn_start_bb): Change bb parameter from int to basic_block,
990 pass basic_blocks instead of ints.
991 (insert_store): Pass basic_blocks instead of ints as parameters.
992 (replace_store_insn, delete_store): Change bb parameter from int to
993 basic_block, pass basic_blocks instead of ints.
994 (store_motion): Pass basic_blocks instead of ints as parameters.
996 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
998 * basic-block.h (set_new_block_for_insns): New Prototype.
999 (set_block_num): Delete prototype.
1000 * flow.c (set_block_num): Remove obsolete function.
1001 (set_block_for_new_insns): Set BB for single or multiple insns.
1002 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
1003 (process_insn_end_bb): Use set_block_for_new_insns or
1004 set_block_for_insn instead of set_block_num.
1005 (pre_insert_copy_insn): Use set_block_for_new_insns.
1006 (update_ld_motion_stores): Use set_block_for_new_insns.
1007 (insert_insn_start_bb): Use set_block_for_new_insns.
1008 (replace_store_insn): Use set_block_for_new_insns.
1010 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
1011 Jeff Law <law@redhat.com>
1013 * alias.c (get_addr): Externalize.
1014 (canon_true_dependence): New function. Behaves like true_dependance
1015 except it already assumes a MEM has been canonicalized.
1016 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
1017 * gcse.c (struct ls_expr): Add load/store expressions structure.
1018 (modify_mem_list, canon_modify_mem_list): New variable.
1019 (gcse_main): Initialize & finalize alias analysis. Use enhanced
1020 load motion and store motion if requested.
1021 (alloc_gcse_mem): Allocate space for modify_mem_list array.
1022 (free_gcse_mem): Free the modify_mem_list array.
1023 (oprs_unchanged_p): Use load_killed_in_block_p.
1024 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
1025 (mems_conflict_for_gcse_p): New function. Don't kill loads
1026 with stores to themselves if its in the load/store expression list.
1027 (load_killed_in_block_p): New function.
1028 (canon_list_insert): New Function.
1029 (record_last_mem_set_info): Keep a list of all instructions which
1030 can modify memory for each basic block.
1031 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
1032 (oprs_not_set_p): Use load_killed_in_block_p.
1033 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
1034 (expr_killed_p): Use load_killed_in_block_p.
1035 (compute_transp): Do not pessimize memory references.
1036 (pre_edge_insert): Update stores for a load motion expression.
1037 (one_pre_gcse_pass): Check loads/stores for extra load motion.
1038 (ldst_entry): Find or create a ldst_expr structure.
1039 (free_ldst_entry): Free memory for an individual item.
1040 (free_ldst_mems): Free entire load/store expression list.
1041 (print_ldst_list): Print debug info.
1042 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
1043 (enumerate_ldsts): Assign integer values to each entry in list.
1044 (first_ls_expr): First expression in the list.
1045 (next_ls_expr): Next expression in the list.
1046 (simple_mem): Check if expression qualifies for ld/st expression list.
1047 (invalidate_any_buried_refs): Remove from expression list if its
1048 used in some other way we dont understand.
1049 (compute_ld_motion_mems): Find all potential enhanced load motion
1051 (trim_ld_motion_mems): Remove any expressions which are invalid.
1052 (update_ld_motion_stores): Copy store values to registers for loads
1053 which have been moved.
1054 (regvec, st_antloc, num_store): New global statics.
1055 (reg_set_info): Marks registers as set.
1056 (store_ops_ok): Verfies registers expressions are valid in a block.
1057 (find_moveable_store): Look for moveable stores in a pattern.
1058 (compute_store_table): Find stores in a function worth moving, maybe.
1059 (load_kills_store): Check dependance of a load and store.
1060 (find_loads): Find any loads in a pattern.
1061 (store_killed_in_insn): Check if a store is killed in an insn.
1062 (store_killed_after): Check is store killed after an insn in a block.
1063 (store_killed_before): Check is store killed before an insn in a block.
1064 (build_store_vectors): Generate the antic and avail vectors.
1065 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
1066 (insert_store): Add a store to an edge.
1067 (replace_store_insn): Replace a store with a SET insn.
1068 (delete_store): Delete a store insn.
1069 (free_store_memory): Free memory.
1070 (store_motion): Perform store motion.
1071 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
1072 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
1073 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
1074 (f_options): Add gcse-lm and gcse-sm.
1076 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1078 * i386.c (expand_fp_movcc): Fix condition reversal code.
1080 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
1081 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
1082 (CLASS_MAX_NREGS): Use it.
1084 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
1085 handle properly complex values.
1086 (CLASS_MAX_NREGS): Likewise; update comment.
1088 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1090 * ia64.c (ia64_flag_schedule_insns2): New variable.
1091 (ia64_override_options): Initialize it. Clear
1092 flag_schedule_insns_after_reload.
1093 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
1095 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
1097 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
1098 Do not require source to match destination anymore;
1099 Add abort to the nontrivial cases that should be handled by split.
1100 (fix_trunc?fdi): Add SSE case for x86_64.
1101 (floatdi?f): Likewise.
1102 (floatdi?f_sse): New.
1103 (fix_trunc?fdi_sse): New.
1105 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
1107 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
1108 (DEBUG_ARANGES_END_LABEL): Ditto.
1109 (dwarfout_init): Generate length and version fields at the start
1110 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
1111 after the length field.
1112 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
1113 the .debug_aranges info.
1115 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
1117 * i386.c (call, call_value): Make sure that resulting call_insn
1118 does have proper second operand.
1120 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
1122 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
1123 function. Remove include of sys/cygwin.h.
1125 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
1127 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
1128 (CPP_SPEC): Always search */include/w32api for header files.
1129 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
1130 (LINK_SPEC): Add "cyg" to the library search prefixes.
1132 2001-04-08 Philip Blundell <philb@gnu.org>
1134 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
1136 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
1138 * cpperror.c (print_location): Don't special case <stdin>.
1139 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
1140 WARNING, but we don't check if we're in system headers.
1141 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
1142 * cpplib.c (do_warning): Warn in system headers.
1144 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
1146 * mbchar.c: Include config.h first.
1148 2001-04-07 Zack Weinberg <zackw@stanford.edu>
1150 * config.gcc: Set default for xmake_file at top, not bottom.
1151 Change places that set xmake_file to "none" to set to the
1152 empty string instead, or remove them entirely if there is no
1153 default xmake_file for this cpu_type. Remove references to
1156 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
1157 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
1158 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
1159 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
1160 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
1161 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
1162 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
1163 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
1164 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
1165 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
1168 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
1169 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1170 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1171 config/mips/x-sysv, config/rs6000/x-aix31:
1172 Just set CLIB to -lld or -lmld, as appropriate.
1174 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
1175 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
1176 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
1177 config/mips/x-iris, config/pa/x-pa:
1178 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
1179 OTHER_FIXINCLUDES_DIRS.
1181 * config/i386/x-djgpp: Don't set LN or LN_S.
1182 * config/m88k/x-dolph: Don't define __m88k__.
1183 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
1184 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
1185 * config/i860/fx2800.h: No need to #undef SVR4.
1187 38 x-host fragments remain, 2 x-cpu.
1189 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1191 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
1193 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1195 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
1197 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1199 * configure.in: Add check for lstat.
1200 * configure, config.in: Regenerate.
1201 * cppinit.c (append_include_chain): Make empty path ".".
1202 * cpplib.c (do_line): Don't simplify #line paths.
1203 * cppfiles.c (remove_component_p): New function.
1204 (find_or_create_entry): Acknowledge stat () errors during
1205 path simplification.
1206 (handle_missing_header): Don't simplify paths.
1207 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
1208 the empty path untouched. Don't leave a trailing '/'.
1210 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
1212 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1213 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
1215 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
1217 * cppfiles.c (open_file): Fail directories silently, but
1218 with an errno of NOENT set.
1219 (read_include_file): Move the common exit code to the sole
1220 caller. Return an int indicating success or failure. Let
1221 open_file handle directories.
1222 (stack_include_file): If read_include_file fails,
1223 push a "null" buffer.
1225 2001-04-05 DJ Delorie <dj@redhat.com>
1227 * function.h (virtuals_instantiated): Declare.
1228 * function.c: (virtuals_instantiated): Make global.
1229 * calls.c (emit_library_call_value_1): Use
1230 virtual_outgoing_args_rtx only if it hasn't been instantiated.
1231 Otherwise, use the stack pointer directly.
1233 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1235 * i386.c (x86_initialize_trampoline): New global function.
1236 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
1237 (INITIALIZE_TRAMPOLINE): Move offline.
1238 * i386-protos.h (x86_initialize_trampoline): Declare.
1240 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1242 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
1243 (lea_0): Rename to lea_1.
1244 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
1245 (lea_general_?): Allow SImodes on TARGET_64BIT
1246 (lea_general_?_zext): New patterns.
1247 (call_1, call_1_rex64): Fix.
1249 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
1251 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
1253 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
1255 * i386.c (function_arg): Return constm1_rtx for last argument.
1256 (ix86_expand_prologue): Update gen_call calls.
1257 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
1258 * i386.md (call_pop): Likewise.
1259 (call): Second operand is VOIDmode.
1260 (call_0): Likewise; Support 64bits.
1261 (call_exp): New expander.
1262 (call_1): Get to the sync.
1263 (call_1_exp): New pattern.
1264 (call_value): Support 64bit.
1265 (call_value_exp): New pattern.
1266 (untyped_call): Update gen_call call.
1267 (call_value_pop): Disable for 64bit.
1268 (call_value_0_rex64): New pattern.
1269 (call_value_1_rex64): Likewise.
1271 2001-04-05 Bo Thorsen <bo@suse.de>
1273 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
1275 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
1277 * i386.md (*andsi_1+3): If used after reload, make sure the operand
1278 satisfies ANY_QI_REG_P.
1280 2001-04-05 Bernd Schmidt <bernds@redhat.com>
1282 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
1285 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
1288 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1290 * config.gcc: Remove default for xm_file. Clean up local
1291 machine type handling. Remove settings of xm_file to
1292 something that doesn't exist. In the big switch, set xm_file,
1293 don't append to it (the value before the big switch is always
1294 null). Don't force build_xm_file or host_xm_file to have a value.
1295 * configure.in: Remove default for xm_file. Do not special
1296 case $cpu/xm-$cpu.h not existing.
1297 * configure: Regenerate.
1299 2001-04-04 Diego Novillo <dnovillo@redhat.com>
1301 * simplify-rtx.c (simplify_binary_operation): Check for overflow
1302 when folding integer division and modulo operations.
1304 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
1306 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
1307 instead of DWARF2_ADDR_SIZE for EH addresses.
1308 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
1311 2001-04-04 Richard Henderson <rth@redhat.com>
1313 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
1314 * config/ia64/t-glibc (LIB2ADDEH): Disable.
1315 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
1317 2001-04-04 Richard Henderson <rth@redhat.com>
1319 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
1320 * configure: Rebuilt.
1322 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1324 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
1325 push insns to delete to it instead of deleting them.
1326 (delete_null_pointer_checks): Delete insns from delete_list after
1327 all delete_null_pointer_checks_1 passes are done.
1329 2001-04-04 Richard Henderson <rth@redhat.com>
1331 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
1332 * configure: Rebuilt.
1334 2001-04-04 Zack Weinberg <zackw@stanford.edu>
1336 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
1337 * config/romp/xm-romp.h: Delete.
1339 2001-04-04 Bernd Schmidt <bernds@redhat.com>
1341 * sched-deps.c (sched_analyze_insn): Partially revert March 27
1344 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1346 * emit-rtl.c (mark_label_nuses) Increment the label uses for
1347 all labels present in rtx.
1348 (try_split) Call new function for all split insns.
1350 2001-04-04 Jakub Jelinek <jakub@redhat.com>
1352 * recog.c (validate_replace_rtx_1): Instead of aborting just make
1353 sure the change won't be validated.
1355 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
1357 * rtl.h (set_noop_p): Declare.
1358 * flow.c (set_noop_p): Move from here ...
1359 * rtlanal.c (set_noop_p): ... to here and enhance.
1360 * cse.c (delete_trivially_dead_insns): Use it.
1361 * gcse.c (hash_scan_set): Likewise.
1362 * jump.c (delete_noop_moves): Likewise.
1363 * recog.c (split_all_insns): Likewise.
1365 2001-04-04 Alan Modra <alan@linuxcare.com.au>
1367 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
1368 stack pointer via a LO_SUM. Ditto for setting a temp register
1369 used to save to the stack. Set cfa_temp when setting fp, and
1370 allow matches to cfa_temp in addition to cfa_store when saving
1371 regs. Handle POST_INC and LO_SUM register stores. Document the
1372 changes and errors in rule 12 doco.
1374 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
1375 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
1376 (load_reg): Move closer to epilogue code.
1377 (DO_FRAME_NOTES): Define to control the following..
1378 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
1379 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
1381 (hppa_expand_epilogue): Likewise.
1383 2001-04-03 Richard Henderson <rth@redhat.com>
1385 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
1386 * configure: Rebuild.
1388 2001-04-03 Richard Henderson <rth@redhat.com>
1390 * rtl.h (LCT_THROW): New.
1391 * calls.c (emit_library_call_value_1): Handle it.
1392 * except.c (connect_post_landing_pads): Use it.
1394 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1396 * gansidecl.h: Delete file.
1397 * configure.in: Change all refs to gansidecl.h to use
1398 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
1400 * configure: Regenerate.
1402 * Makefile.in (intl.o): Don't depend on gansidecl.h.
1403 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
1404 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
1405 Don't include gansidecl.h.
1406 * intl.c, main.c, version.c, fixinc/fixlib.h,
1407 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
1410 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1412 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
1415 2001-04-03 Zack Weinberg <zackw@stanford.edu>
1417 * config/i386/xm-beos.h, config/i386/xm-isc.h,
1418 config/i386/xm-next.h, config/i386/xm-sco.h,
1419 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
1420 config/m88k/xm-m88k.h: Delete.
1422 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
1423 * config/romp/xm-romp.h: Don't define bcopy.
1424 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
1425 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
1427 * config.gcc: Remove references to deleted files.
1429 14 xm-host.h remain, 1 xm-cpu.h.
1431 2001-04-03 Jakub Jelinek <jakub@redhat.com>
1432 David S. Miller <davem@pierdol.cobaltmicro.com>
1433 Andrew MacLeod <amacleod@redhat.com>
1435 Use byte offsets in SUBREGs instead of words.
1437 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
1438 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
1439 to pass new argument.
1440 (add_stored_regs): Use subreg_regno_offset function.
1441 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
1443 (precompute_arguments): Use gen_lowpart_SUBREG.
1444 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
1445 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
1446 (simplify_set): Rework to use SUBREG_BYTE.
1447 (expand_field_assignment): Use SUBREG_BYTE.
1448 (make_extraction): Use SUBREG_BYTE.
1449 (if_then_else_cond): Use SUBREG_BYTE.
1450 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
1451 (gen_lowpart_for_combine): Compute full byte offset.
1452 * cse.c (mention_regs): Use SUBREG_BYTE.
1453 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
1454 (canon_hash): Use SUBREG_BYTE.
1455 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
1456 (gen_lowpart_if_possible): Formatting.
1457 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
1459 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1460 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1461 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1462 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
1463 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1464 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
1465 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
1466 certain invariants about SUBREGs the compiler creates.
1467 (gen_lowpart_SUBREG): New function.
1468 (subreg_hard_regno): New function to get the final register number.
1469 (gen_lowpart_common): Use SUBREG_BYTE.
1470 (gen_imagpart): Spacing nits.
1471 (subreg_realpart_p): Use SUBREG_BYTE.
1472 (gen_highpart): Use SUBREG_BYTE.
1473 (subreg_lowpart_p): Always compute endian corrected goal offset,
1474 even at the byte level, then compare against that.
1475 (constant_subword): New function, pulled out all constant cases
1476 from operand_subword and changed second argument name to offset.
1477 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
1478 and call constant_subword to do the work. Return const0_rtx if
1479 looking for a word outside of OP.
1480 (operand_subword_force): Change second arg name to offset.
1481 * expmed.c (store_bit_field): Use SUBREG_BYTE.
1482 (store_split_bit_field): Use SUBREG_BYTE.
1483 (extract_bit_field): Use SUBREG_BYTE.
1484 (extract_split_bit_field): Use SUBREG_BYTE.
1485 (expand_shift): Use SUBREG_BYTE.
1486 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
1487 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
1488 * flow.c (set_noop_p): Use SUBREG_BYTE.
1489 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
1490 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
1491 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
1493 (optimize_bit_field): Use SUBREG_BYTE.
1494 (purge_addressof_1): Use SUBREG_BYTE.
1495 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
1496 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
1497 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
1498 * gengenrtl.c (special_rtx): Add SUBREG.
1499 * global.c (mark_reg_store): Use SUBREG_BYTE.
1500 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
1501 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
1502 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
1503 final byte offset is congruent to subreg's mode size.
1504 (subst_constants): Use SUBREG_BYTE.
1505 (mark_stores): Use subreg_regno_offset function.
1506 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
1507 function and SUBREG_BYTE.
1508 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
1509 (reg_is_born): Use subreg_hard_regno.
1510 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
1511 endian correction code. Don't combine subregs unless resulting
1512 offset aligns with type. Fix subreg constant extraction for DImode.
1513 Simplify SUBREG of VOIDmode CONST_DOUBLE.
1514 (general_operand): Remove dead mode_altering_drug code.
1515 (indirect_operand): Use SUBREG_BYTE.
1516 (constrain_operands): Use subreg_regno_offset function.
1517 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
1518 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
1519 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
1520 * regs.h (REG_SIZE): Allow target to override.
1521 (REGMODE_NATURAL_SIZE): New macro which target can override.
1522 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
1523 on the entire subreg rtx.
1524 (push_reload): Use SUBREG_BYTE in comments and code.
1525 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
1526 for hard registers inside subregs.
1527 (operands_match_p): Use subreg_regno_offset.
1528 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
1529 containing hard regs.
1530 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
1531 corrections when fixing up MEM subregs.
1532 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
1533 subreg_regno_offset where appropriate.
1534 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
1535 byte endian corrections when fixing up MEM subregs.
1536 (subst_reloads): When combining two subregs, make sure final
1537 offset is congruent to subreg's mode size.
1538 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
1539 (refers_to_regno_for_reload_p): Use subreg_regno.
1540 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
1541 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
1542 correction code for memory subreg fixups.
1543 (forget_old_reload_1): Use subreg_regno_offset.
1544 (choose_reload_regs): Use subreg_regno.
1545 (emit_input_reload_insns): Use SUBREG_BYTE.
1546 (reload_combine_note_store): Use subreg_regno_offset.
1547 (move2add_note_store): Use subreg_regno_offset.
1548 * resource.c (update_live_status, mark_referenced_resources): Use
1549 subreg_regno function.
1550 (mark_set_resources): Use subreg_regno function.
1551 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
1552 (subreg_regno_offset, subreg_regno): Define prototypes.
1553 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
1554 (gen_lowpart_SUBREG): Add prototype.
1555 * rtl.texi (subreg): Update to reflect new byte offset representation.
1556 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
1557 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
1558 (reg_overlap_mentioned_p): Use subreg_regno.
1559 (replace_regs); Make sure final offset of combined subreg is
1560 congruent to size of subreg's mode.
1561 (subreg_regno_offset): New function.
1562 (subreg_regno): New function.
1563 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
1564 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
1565 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
1566 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
1567 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
1568 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
1569 (a29k_get_reloaded_address): Use SUBREG_BYTE.
1570 (print_operand): Use SUBREG_BYTE.
1571 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
1572 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
1573 (arm_reload_out_hi): Use SUBREG_BYTE.
1574 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
1575 instead of SUBREG_WORD.
1576 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
1577 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
1578 SUBREG creation to use byte offset.
1579 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
1580 inverted load insns): Fix explicit rtl subregs to use byte
1582 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
1583 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
1584 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
1585 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
1586 to use byte offsets.
1587 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
1588 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
1589 offsets, also make sure it is congruent to SUBREG's mode size.
1590 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
1591 unnamed ldob insn): Generate SUBREGs with byte offset.
1592 (zero_extendqihi2): SUBREG's are byte offsets.
1593 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
1594 (m68hc11_gen_highpart): Use SUBREG_BYTE.
1595 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
1596 zero-extendqisi2): Generate SUBREGs with byte offset.
1597 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
1598 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
1599 subregs in rtl to use byte offsets.
1600 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
1601 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
1602 (mips_move_2words): Use subreg_regno_offset.
1603 (mips_secondary_reload_class): Use subreg_regno_offset.
1604 * config/mips/mips.md (DImode plus, minus, move, and logical op
1605 splits): Fixup explicit subregs in rtl to use byte offsets.
1606 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
1607 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
1608 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
1609 rtl to use byte offsets.
1610 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
1611 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
1612 subregs to use byte offsets.
1613 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
1614 Fixup explicit subregs in rtl to use byte offsets.
1615 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
1616 and remove byte endian correction code.
1617 * config/sh/sh.c (output_movedouble): Use subreg_regno.
1618 (gen_ashift_hi): Use SUBREG_BYTE.
1619 (regs_used): Use subreg_regno_offset.
1620 (machine_dependent_reorg): Use subreg_regno_offset.
1621 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
1622 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
1623 (movdf_i4): Subregs are byte offsets now.
1624 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
1625 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
1626 (REGMODE_NATURAL_SIZE): Override.
1627 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
1628 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
1630 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
1631 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
1632 extendqidi2): Generate SUBREGs with byte offsets, also make sure
1633 it is congruent to SUBREG's mode size.
1634 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
1636 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
1637 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
1638 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
1639 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
1640 * config/v850/v850.c (print_operand, output_move_double): Use
1641 subreg_regno function.
1643 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
1645 * configure.in (target_subdir): Use target_alias, not target.
1646 * configure: Rebuilt.
1648 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
1650 * config/sh/crti.asm: Fix typos in comments.
1652 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1654 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
1655 TARGET_FAST_INDIRECT_CALLS.
1656 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
1658 (return_addr_rtx): Short circuit export stub matching when
1659 TARGET_NO_SPACE_REGS.
1660 (output_millicode_call): For out of range calls, make -fPIC
1661 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
1662 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
1663 * pa.md: Modify length attr calculation of all millicode insns to
1666 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
1668 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
1669 Require at least 2.11 in the version test. Specifically check
1670 for and reject GAS version 2.10.90.
1671 * configure: regenerate.
1673 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1675 * pa.c (override_options): Remove PIC profiling warning.
1676 (hp_profile_labelno): Delete.
1677 (hp_profile_label_rtx): Delete.
1678 (hp_profile_label_name): Delete.
1679 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
1680 (output_function_prologue): Remove profiling code and all tests on
1681 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
1682 merge_sp_adjust_with_store can work for PIC and profiling.
1683 (hppa_expand_epilogue): Remove profile_flag test.
1684 (hppa_can_use_return_insn_p): Likewise.
1685 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
1686 cater for PROFILE_HOOK.
1687 (hppa_profile_hook): New function.
1688 * pa.h (FUNCTION_PROFILER): Now does nothing.
1689 (PROFILE_HOOK): Define.
1690 (hppa_profile_hook): Declare.
1691 (PROFILE_BEFORE_PROLOGUE): Delete.
1692 (ASM_OUTPUT_REG_PUSH): Delete.
1693 (ASM_OUTPUT_REG_POP): Delete.
1694 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
1695 r24. Accept function name operand, and use this and a locally
1696 generated label to calculate pc-rel offset to func start.
1698 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1700 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
1701 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
1704 2001-04-03 Alan Modra <alan@linuxcare.com.au>
1706 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
1707 LO_SUM cases to where they belong.
1709 2001-04-02 Richard Henderson <rth@redhat.com>
1711 * except.h (lang_eh_type_covers): Mark extern.
1712 (lang_eh_runtime_type): Likewise.
1714 2001-04-02 Zack Weinberg <zackw@stanford.edu>
1716 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
1717 gengenrtl.c: Wrap generated header in multiple-include guard.
1718 Improve error checking.
1720 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1722 * configure.in: Don't check for putenv.
1723 * configure: Regenerate.
1724 * gcc.c (putenv): Don't define.
1725 * vax/xm-vms.h: Handle putenv.
1727 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1729 * ifcvt.c (noce_emit_move_insn): New.
1730 (noce_try_store_flag, noce_try_store_flag_constants,
1731 noce_try_store_flag_inc, noce_try_store_flag_mask,
1732 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
1733 noce_try_abs): Use it.
1734 (noce_process_if_block): Likewise.
1735 For STRICT_LOW_PART, take mode from its SUBREG.
1737 2001-04-02 Jakub Jelinek <jakub@redhat.com>
1739 * fold-const.c (fold): Before optimizing unsigned comparison with
1740 0x7fffffffU, make sure arg0 is integral type.
1742 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
1744 * c-tree.texi: Document representation of wide strings.
1746 2001-04-01 Richard Henderson <rth@redhat.com>
1748 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
1750 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
1752 * i386.md: remove obsoleted comments.
1753 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
1754 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
1755 fix output template.
1757 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
1759 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
1761 2001-03-30 Bernd Schmidt <bernds@redhat.com>
1763 * loop.c (load_mems): When generating a load from a pseudo, update
1766 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
1768 * i386.c (ix86_split_long_move): Use change address to compensate
1769 stack pointer change in push instruction.
1771 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
1773 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
1774 instead of rtx_equal_p; fix the output template.
1776 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1778 * i386.c (ix86_expand_setcc): Support 64bit.
1779 (ix86_expand_int_movcc): Likewise.
1780 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
1783 * i386.md (allocate_stack_worker): Turn to expander.
1784 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
1786 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
1788 2001-03-29 Richard Henderson <rth@redhat.com>
1790 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
1792 2001-03-28 Matthew Hiller <hiller@redhat.com>
1794 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
1797 * MAINTAINERS: Added self.
1799 2001-03-28 Richard Henderson <rth@redhat.com>
1801 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
1802 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
1804 2001-03-28 Jim Wilson <wilson@redhat.com>
1806 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
1809 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1811 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
1813 * tradcif.y (yyerror): Likewise. Add format specifier in call to
1816 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
1818 2001-03-28 DJ Delorie <dj@redhat.com>
1820 * Makefile.in (stage1_build): Revert CFLAGS patch.
1822 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
1824 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
1825 when multiplier or multiplicand is zero.
1827 2001-03-28 Bernd Schmidt <bernds@redhat.com>
1829 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
1831 * config/ia64/ia64.c (update_set_flags): New function, broken out of
1833 (set_src_needs_barrier): Likewise.
1834 (rtx_needs_barrier): For SET case, use these two functions. Rework
1835 PARALLEL case to handle all inputs before all outputs.
1836 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
1837 saw a label and no stop bit since then.
1838 (maybe_rotate, process_epilogue): Add prototypes.
1840 2001-03-28 Richard Henderson <rth@redhat.com>
1842 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
1843 not TARGET_TOC for special toc restore handling.
1844 * config/rs6000/rs6000.md (eh_return): Likewise.
1846 2001-03-28 Richard Henderson <rth@redhat.com>
1848 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
1849 current_function_calls_eh_return.
1850 (output_function_epilogue): Handle eh_return.
1851 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
1852 (EH_RETURN_DATA_REGNO): New.
1853 (EH_RETURN_STACKADJ_RTX): New.
1854 (EH_RETURN_HANDLER_RTX): New.
1855 * config/sparc/sparc.md (call/short branch peepholes): Check
1856 can_throw_internal instead of in_same_eh_region.
1858 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
1859 for eh_return data registers.
1860 (rs6000_emit_prologue): Save eh_return data registers.
1861 (rs6000_emit_epilogue): Force inline restores if eh_return.
1862 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
1863 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
1864 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
1865 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
1866 the target uses one.
1867 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
1868 (return_eh_si, return_eh_di): Remove.
1869 (eh_return): New, from corpse of eh_epilogue.
1870 (eh_set_lr_si, eh_set_lr_di): New.
1872 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
1873 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
1874 True for pic register if current_function_calls_eh_return.
1875 (ix86_expand_epilogue): Change "emit_return" argument into "style".
1876 Handle eh_return requirements.
1877 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
1878 (EH_RETURN_STACKADJ_RTX): New.
1879 * config/i386/i386.md (exception_receiver): Remove.
1880 (eh_return, eh_return_1): New.
1881 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1883 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
1884 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
1885 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
1886 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
1887 (EH_RETURN_DATA_REGNO): New.
1888 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
1889 * config/alpha/alpha.md (eh_epilogue): Remove.
1890 (exception_receiver): Use $26 for ldgp input.
1891 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
1893 2001-03-28 Richard Henderson <rth@redhat.com>
1895 * except.c: Rewrite entirely for IA-64 ABI exception handling.
1896 * except.h: Likewise.
1898 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
1899 (LIB2ADDEHDEP): New.
1900 (LIB2FUNCS_EH): Remove.
1901 (LIB2ADD): Remove LIB2ADDEH.
1902 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
1903 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
1904 (crt{begin,end}[S].o): Likewise.
1905 (except.o): Update includes.
1906 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
1907 (libgcc2_c_dep): Use LIB2ADDEHDEP.
1909 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
1910 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
1911 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
1912 * builtins.c (expand_builtin): Implement it.
1913 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
1914 * c-common.c (c_common_nodes_and_builtins): Declare it.
1915 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
1916 * calls.c (libfunc_nothrow): Remove.
1917 (emit_library_call_value_1): Don't call it.
1918 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
1919 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
1920 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
1921 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
1922 (current_funcdef_number): Globalize.
1923 (output_call_frame_info): Emit frame data if an lsda is needed.
1924 Generate augmentation for personality routine. Don't play with
1926 (dwarf2out_begin_prologue): Record funcdef_number.
1927 * dwarf2out.h (current_funcdef_number): Declare.
1928 * expr.c (expand_expr): Update for except.h name changes.
1929 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
1930 * expr.h (LTI_throw, LTI_rethrow): Remove.
1931 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
1932 (LTI_eh_rtime_match): Remove.
1933 (LTI_unwind_resume, LTI_eh_personality): Add.
1934 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
1935 * final.c (final): Don't call check_exception_handler_labels,
1936 init_insn_eh_region, or free_insn_eh_region.
1937 (final_scan_insn): Always emit debug labels for
1938 NOTE_INSN_EH_REGION notes.
1939 * flags.h (flag_new_exceptions): Remove.
1940 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
1941 (record_active_eh_regions): Remove.
1942 (count_basic_blocks): Check all instructions for REG_EH_REGION.
1943 Use can_throw_internal.
1944 (find_basic_blocks_1): Likewise.
1945 (move_stray_eh_region_notes): Remove.
1946 (find_label_refs): No eh_return_stub_label.
1947 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
1948 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
1950 (delete_unreachable_blocks): Don't track deleted handlers.
1951 (flow_delete_block): Use maybe_remove_eh_handler.
1952 (delete_eh_regions): Remove.
1953 (merge_blocks): Don't check for eh region match.
1954 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
1955 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
1956 (init_propagate_block_info): Disable dead frame store optimization
1957 when current_function_calls_eh_return.
1958 (dump_bb): Don't print eh_beg, eh_end.
1959 * function.c (fixup_var_refs): No catch_clauses.
1960 (expand_function_end): Likewise. Call expand_eh_return before
1961 the return register use. Call sjlj_emit_function_exit_after.
1962 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
1963 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
1964 * ifcvt.c (dead_or_predicable): Remove eh region check.
1965 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
1966 Don't check for EH vs parameters.
1967 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
1968 (expand_inline_function): Call duplicate_eh_regions.
1969 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
1970 (copy_insn_notes): Remap REG_EH_REGION notes.
1971 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
1972 * integrate.h (struct inline_remap): Add local_return_label.
1973 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
1974 check_exception_handler_labels, nor exception_optimize.
1975 (find_cross_jump): No EH region check.
1976 * optabs.c (init_optabs): Update for changed eh libfuncs.
1977 * rtl.def (RESX): New.
1978 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
1979 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
1980 checks. Update for except.h name changes.
1981 (expand_cleanups): Likewise.
1982 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
1983 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
1984 (compile_file): Call init_eh before init_optabs. Don't
1985 output_exception_table here.
1986 (rest_of_compilation): Call convert_from_eh_region_ranges,
1987 convert_to_eh_region_ranges, output_function_exception_table.
1988 Don't emit_eh_context.
1989 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
1990 (EXC_PTR_EXPR): New.
1992 * md.texi (eh_epilogue): Remove.
1993 (eh_return): Document.
1994 * tm.texi (EH_RETURN_DATA_REGNO): Document.
1995 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
1997 * eh-common.h: Remove file.
1998 * frame-dwarf2.c, frame.c, frame.h: Remove files.
1999 * libgcc2.c (L_eh): Remove.
2001 * unwind-dw2-fde.c: New file, largely copied from frame.c.
2002 * unwind-dw2-fde.h: New file.
2003 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
2004 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
2005 * libgcc-std.ver: Update for eh symbols.
2007 2001-03-27 Richard Henderson <rth@redhat.com>
2009 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
2010 reduce false positives.
2011 (regmove_optimize): Disable if flag_non_call_exceptions.
2013 * stmt.c (expand_return): Remove always true predicate.
2014 (expand_decl_cleanup_no_eh): Remove dead code.
2016 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
2017 barrier code. Add a scheduling barrier if a non-call insn
2018 can throw internally.
2020 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
2021 Auto-inc addresses trap only if their base register does.
2023 * except.c (can_throw_internal): Rename from can_throw.
2024 * except.h, resource.c: Update references.
2026 * integrate.c (copy_insn_list): Use returnjump_p.
2027 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
2029 * function.h (struct function): Move all boolean valued fields
2030 to single bit fields at the end of the struct.
2032 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
2034 Rename asynchronous_exceptions to flag_non_call_exceptions.
2036 * gthr-single.h (UNUSED): New. Distinguish between how C
2037 and C++ mark unused function arguments. Use throughout.
2039 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
2040 value to target configuration header.
2041 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
2042 * config.in, configure: Rebuild.
2043 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
2044 configuration and target defines.
2045 (exceptions_via_longjmp): Remove.
2046 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
2047 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
2049 * except.h (flag_non_call_exceptions): Move ...
2050 * flags.h: ... here.
2052 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
2053 exceptions, put the note on the trapping instruction.
2055 * flags.h (flag_new_exceptions): Remove.
2056 * toplev.c: Don't set it.
2057 * final.c: Don't check it.
2058 * except.c: Provide stub definition.
2060 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
2061 (calculate_global_regs_live): Kill call-clobbered registers
2062 across exception edges.
2063 * reg-stack.c (convert_regs_1): Kill the entire target stack
2064 across non-call exception edges.
2066 * flow.c (cleanup_cfg): Take no argument.
2067 * output.h, sibcall.c, toplev.c: Update all calls.
2069 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2071 * configure.in: Don't check for bcopy.
2072 * configure, config.in: Regenerate.
2074 * system.h: Don't define or prototype bcopy, instead poison it.
2076 2001-03-27 Richard Henderson <rth@redhat.com>
2078 * function.c (expand_function_start): Set DECL_REGISTER on
2079 a pseudo used for DECL_RESULT.
2081 * rtl.h (LCT_NORETURN): New.
2082 * calls.c (emit_library_call_value_1): Handle it.
2084 2001-03-27 Stan Shebs <shebs@apple.com>
2086 * objc/objc-act.c (objc_init): Use dump_base_name.
2087 (gen_declaration): Clear the buffer arg.
2088 (gen_declaration_1): New function, body of gen_declaration.
2089 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
2090 (gen_method_decl): Ditto, plus always clear buffer arg.
2091 (error_with_ivar): Simplify.
2092 (warn_with_method): Ditto.
2093 (build_message_expr): Don't clear buffers.
2094 (dump_interface): Ditto.
2095 (objc_debug): Ditto.
2096 (build_keyword_selector): Clear the buffer by only zeroing
2098 (objc_implementation_context): Declare.
2099 (start_class): Warn about missing @end.
2100 (finish_objc): Ditto.
2102 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
2104 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
2106 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2108 * Makefile.in (SYSTEM_H): Define.
2109 Depend on $(SYSTEM_H), not system.h.
2111 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
2113 2001-03-27 Jim Wilson <wilson@redhat.com>
2115 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
2117 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
2118 (process_epilogue): New static function.
2119 (process_set): Call process_epilogue instead of emitting .restore
2121 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
2123 * flow.c (struct reg_cond_life_info): New fields orig_condition
2125 (init_propagate_block_info): Set new fields.
2126 (mark_regno_cond_dead): Set and use new fields.
2127 (flush_reg_cond_reg_1): Likewise.
2128 (and_reg_cond, case AND): Check for redundant AND conditions.
2129 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
2132 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
2134 * cppmacro.c (stringify_arg): Null terminate strings.
2136 2001-03-27 Zack Weinberg <zackw@stanford.edu>
2138 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
2139 inclusion style. xm-m68hc11.h no longer exists.
2140 * config/m68hc11/xm-m68hc11.h: Delete file.
2141 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
2143 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
2144 Don't define GCC_VERSION, N_, or PARAMS; don't include
2145 gansidecl.h or stdio.h. Define inhibit_libc here.
2146 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2147 Delete code conditioned on #if GCC_VERSION == 2095.
2149 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
2150 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
2151 Delete code conditioned on #if GCC_VERSION == 2095.
2153 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2155 * system.h: Include symcat.h.
2156 (STRINGIFY): Don't define.
2158 * configure.in: Adjust comment.
2160 * builtins.c: Use STRINGX, not STRINGIFY.
2161 * gencheck.c: Likewise.
2162 * gengenrtl.c: Likewise.
2163 * protoize.c: Likewise.
2165 * cpplex.c: Don't include symcat.h.
2166 * cpplib.c: Likewise.
2168 * gansidecl.h (HAVE_STRINGIZE): Don't define.
2170 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2172 * c-typeck.c (digest_init): Fold init expression.
2174 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2176 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
2178 2001-03-27 Alan Modra <alan@linuxcare.com.au>
2180 * except.c (eh_regs): Save results of build_pointer_type to a temp
2181 as FUNCTION_VALUE macro may evaluate its args multiple times.
2183 2001-03-26 Mark Mitchell <mark@codesourcery.com>
2185 * c-common.h (DECL_NUM_STMTS): New macro.
2186 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
2188 (pushdecl): Likewise.
2189 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
2190 * integrate.c (expand_inline_function): Don't check
2192 * print-tree.c (print_node): Don't print it.
2193 * toplev.c (rest_of_compilation): Don't try to inline when
2194 flag_no_inline is on.
2195 * tree.h (DECL_FRAME_SIZE): Remove.
2196 (tree_decl): Adjust accordingly.
2198 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * combine.c (try_combine): Use memcpy, not bcopy.
2202 * genattrtab.c (expand_units): Likewise.
2204 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
2206 * i386.md (push mem DI peep2): New.
2207 (mov 0, mov -1 peep2): Handle 64bit.
2208 (lea to arithmetics peep2): Handle 64bit leas.
2209 (rsp arithmetics to push/pop peep2s): New.
2211 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
2213 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
2215 * i386.c (struct machine_function): Add save_varrargs_registers.
2216 (ix86_save_varrargs_registers): New macro.
2217 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
2218 (ix86_expand_prologue): Likewise.
2219 (ix86_emit_epilogue_esp_adjustement): Likewise.
2220 (ix86_expand_epilogue): Likewise.
2221 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
2222 (pro_epilogue_adjust_stack_1): New insn.
2223 (pro_epilogue_adjust_stack_rex64): Likewise.
2224 * i386.h (MASK_NO_RED_ZONE): New constant.
2225 (TARGET_RED_ZONE): New macro.
2226 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
2227 (RED_ZONE_SIZE): New constant.
2228 (RED_ZONE_RESERVE): New constant.
2230 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2232 * toplev.c (set_float_handler): Use memcpy, not bcopy.
2234 2001-03-25 Kazu Hirata <kazu@hxi.com>
2236 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
2239 (umodhi3): Likewise.
2242 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2244 * mkconfig.sh (DEFINES): Handle entries with '='.
2246 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
2247 Set xm_defines to MACRO=value instead.
2249 * i370/xm-mvs.h: Delete.
2251 * ns32k/xm-pc532-min.h: Likewise.
2253 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
2255 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
2257 use ix86_expand_binary_operator
2258 (?sh??i_?): Disable for 64bit.
2259 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
2260 * i386.c (shiftdi_operand): New predicate.
2262 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
2263 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
2264 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
2265 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
2266 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
2267 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
2268 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
2269 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
2270 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
2271 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
2272 (rotldi3, rotrdi3): New expanders.
2274 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
2276 * i386.md (movstrsi): Move offline.
2278 (strmovdi_rex64): New.
2279 (strmov?i): Accept 64bit.
2280 (strmov?i_rex64): New.
2281 (strmov?i_rex_1): New.
2282 (strmov?i_1): Disable for 64bit.
2283 (rep_mov?i_rex64): New.
2284 (rep_mov?i): Disable for 64bit.
2285 (clrstrsi): Move offline.
2286 (strset?i_rex64): New.
2287 (strset?i: Accept 64bit.
2288 (rep_stos?i): Disable for 64bit.
2289 (rep_stos?i_rex64): New.
2290 (strset?i_rex_1): New.
2291 (strset?i_1): Disable for 64bit.
2292 (cmpstrsi): Accept 64bit.
2293 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
2294 (cmpstrqi_nz_rex_1): New.
2295 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
2296 (strlensi): Move offline.
2298 (strlenqi_1): Disable for 64bit; fix constraints.
2299 (strlenqi_rex_1): New.
2300 * i386.c (ix86_adjust_counter): New static function.
2301 (ix86_zero_extend_to_Pmode): Likewise.
2302 (ix86_expand_aligntest): Likweise.
2303 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
2304 (ix86_expand_movstr): New global function.
2305 (ix86_expand_clrstr): New global function.
2306 (ix86_expand_strlen): New global function.
2307 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
2308 ix86_expand_strlen): Declare.
2309 (ix86_expand_strlensi_unroll_1): Delete.
2311 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
2313 * i386.md (cmpdi): Fix operand predicates.
2314 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
2315 cmpdi_1_insn_rex64): New patterns.
2316 (adddi3): Turn to expander.
2317 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
2318 (addsi3_carry_zext): New pattern.
2319 (adddi_?_rex64): New patterns and splitters.
2320 (addsi_?_zext): New patterns.
2321 (subsi3_carry_zext): New pattern.
2322 (subdi_?_rex64): New patterns and splitters.
2323 (iorsi_?_zext): New patterns.
2324 (iordi_?_rex64): New patterns and splitters.
2325 (iorsi_?_zext): New patterns.
2326 (iorsi_?_zext_imm): New patterns.
2327 (xorsi_?_zext): New patterns.
2328 (xordi_?_rex64): New patterns and splitters.
2329 (xorsi_?_zext): New patterns.
2330 (negdi*): New patterns.
2331 (one_cmpldi*): Likewise.
2332 (one_cmplsi*_zext, negsi*_zext): Likewise.
2333 (testqi_ext_3_rex64): New pattern.
2335 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
2337 * i386-protos.h (ix86_split_long_move): Return void.
2338 * i386.c (ix86_split_to_parts): Handle 64bit target.
2339 (ix86_split_long_move): Likewise.
2340 * i386.md (all calls to ix86_split_long_move): Update.
2342 2001-03-23 Richard Henderson <rth@redhat.com>
2344 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
2345 to avoid shadowing arguments.
2347 2001-03-23 Jakub Jelinek <jakub@redhat.com>
2349 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
2350 to variable names where DECL_NAME is different from
2351 DECL_ASSEMBLER_NAME.
2353 2001-03-23 Jim Wilson <wilson@redhat.com>
2355 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
2356 (assemble_alias): Call make_decl_rtl.
2358 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
2360 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
2362 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
2364 * extend.texi: Document the "java_interface" attribute.
2366 2001-03-22 Zack Weinberg <zackw@stanford.edu>
2368 * mkconfig.sh: Use a subshell with redirected stdout,
2369 instead of closing stdout and confusing commands that run
2370 afterward. Throw away output of cmp.
2372 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
2374 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
2376 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
2378 * i386.md (zero_extendsidi2_32): Break out from ...
2379 (zero_extendsidi2): ... here ; turn to expander.
2380 (zero_extendsidi2_rex64): New.
2381 (extendsidi2_32): Break out from ...
2382 (extendsidi2): ... here ; turn to expander.
2383 (extendsidi2_rex64): New.
2384 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
2385 (trunc?f?f splitters): Add 64bit versions.
2387 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
2389 * i386.md (pushsi, pushsi2_prologue): Disable.
2390 (pushsi2_rex64): New.
2391 (movabs?i_1_rex64, movabs?i_2_rex64): New.
2392 (movqi_ext_1): Disable for 64bit.
2393 (movqi_ext_1_rex64): New.
2394 (pushdi2_rex64): New pattern, peep2s and splitter.
2395 (pushdi2_prologue_rex64): New pattern.
2396 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
2398 (movdi splitters): Disable for 64bit.
2399 (movdi_1_rex64): New pattern, peep2s and splitters.
2400 (swapdi): New pattern.
2401 (pushsf): Disable for 64bit.
2402 (pushsf_rex64): New pattern and splitter.
2403 (pushdf_nointeger): Disable for 64bit.
2404 (pushdf_integer): Handle the 64bit case.
2405 (pushtf): Likewise; update splitters.
2407 2001-03-22 Richard Henderson <rth@redhat.com>
2409 * mkconfig.sh: Include insn-flags.h.
2410 * Makefile.in (CONFIG_H): Include insn-flags.h.
2411 (lots of objects): Remove insn-codes.h and insn-flags.h.
2413 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
2414 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
2415 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
2416 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
2417 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
2418 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
2419 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
2420 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
2421 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
2422 v850/v850.c, vax/vax.c:
2423 Don't include insn-flags.h.
2425 * diagnostic.c, expr.h, reload.c, toplev.c:
2426 Don't include insn-codes.h.
2428 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
2429 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
2430 c4x/c4x.c, i960/i960.c, mips/mips.c:
2431 Don't include insn-codes.h or insn-flags.h.
2433 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
2434 or insn-flags.h in the generated code.
2435 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
2436 (main): Forward declare struct rtx_def.
2438 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
2440 * invoke.texi (-ffast-math): Remove duplicate line about
2443 * gcc.texi: Remove more obsolete documentation of bugs and
2444 installation problems.
2446 2001-03-21 Kazu Hirata <kazu@hxi.com>
2448 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
2451 2001-03-20 Jason Merrill <jason@redhat.com>
2453 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
2455 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
2456 * varasm.c (CHKR_PREFIX): Likewise.
2458 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2460 * gcse.c (hash_scan_set): An expression is not anticipatible if it
2461 is part of a multi-SET insn.
2463 * cse.c (find_comparison_args): Remove previous change.
2464 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
2467 * config/i386/i386.md (conditional_trap): Remove warning.
2469 * recog.c (push_operand): Fix error in last change that caused
2470 undefined symbol on many targets.
2472 * sdbout.c: #include ggc.h.
2473 (sdbout_init): Move to end of file.
2474 Call ggc_add_tree_root for anonymous_types.
2475 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
2476 (sdbout_one_type): Use DECL_NAME for field name.
2477 * Makefile.in (sdbout.o): Show includes ggc.h.
2479 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
2481 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
2482 (override_options): Use properlimits for preferred_stack_boundary.
2483 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
2485 (ext_register_operand): Accept DImode.
2486 (load_pic_register): Abort on 64bit.
2487 (gen_push): Use Pmode instead of SImode.
2488 (ix86_save_reg): Pic reg is never used on 64bit.
2489 (ix86_expand_prologue): Likewise.
2490 (ix86_emit_save_regs): Use Pmode instead of SImode.
2491 (legitimate_address_p): Check displacement for 64bit.
2492 (print_operand): Avoid outputting of (%rip) on 64bit.
2493 (print_operand_address): Output (%rip) where possible.
2494 (split_di): Abort on 64bit registers.
2495 (ix86_expand_branch): DImode comparison is simple for x86_64.
2496 (memory_address_length): Recognize memory addresses formed using
2498 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
2500 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
2502 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
2504 * recog.c (push_operand): Recognize new format of push instructions.
2506 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
2508 * i386.md (pushqi1): New.
2509 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
2510 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2511 x86_64_immediate_operand, x86_64_immediate_operand,
2512 x86_64_zext_immediate_operand): Declare.
2513 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
2514 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
2515 x86_64_immediate_operand, x86_64_immediate_operand,
2516 x86_64_zext_immediate_operand): define.
2517 * i386.h (PREDICATE_CODES): Add new predicates.
2519 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
2521 * i386.md (pophi1, popqi1, pushqi1): Remove.
2523 * expr.c (emit_single_push_insn): New function.
2524 (move_by_pieces): Accept NULL as destination for push instructions.
2525 (gen_push_operand): Kill.
2526 (emit_push_insn): Pass NULL when pushing; avoid updating of
2527 stack_pointer_delta.
2528 * expr.h (gen_push_operand): Kill.
2530 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2532 * rtl.texi (COMPARE): Clarify documentation and reference section
2535 2001-03-20 Stan Shebs <shebs@apple.com>
2537 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
2538 (get_object_reference): Ditto.
2539 (error_with_ivar): Use error_with_file_and_line.
2540 (warn_with_method): Use warning_with_file_and_line.
2542 2001-03-20 Tom Tromey <tromey@redhat.com>
2544 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
2546 2001-03-20 Mark Mitchell <mark@codesourcery.com>
2548 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
2549 variables that are TREE_PUBLIC, even if not TREE_STATIC.
2551 2001-03-20 DJ Delorie <dj@redhat.com>
2553 * Makefile.in (install-libgcc): Pass complete list of variables.
2554 (install-multilib): Ditto.
2556 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2558 * config/i386/cygwin.h: Declare ctor_section, dtor_section
2559 drectve_section, switch_to_section.
2561 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
2562 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
2563 i386_pe_mark_dllimport.
2565 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2567 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
2568 functions i386_pe_*.
2570 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
2571 i386_pe_* functions with char * arguments.
2573 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
2575 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
2577 (movsi_ie): Introduce fpul store.
2579 2001-03-20 Alan Modra <alan@linuxcare.com.au>
2581 * Makefile.in (OBJS): Remove hashtab.o.
2583 2001-03-19 Stan Shebs <shebs@apple.com>
2585 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
2586 * c-lang.c (maybe_objc_method_name): Ditto.
2587 * c-tree.h (maybe_objc_method_name): Remove decl.
2589 2001-03-19 Tom Tromey <tromey@redhat.com>
2591 * gcc.c (init_gcc_specs): Fix comment.
2593 2001-03-19 Mark Mitchell <mark@codesourcery.com>
2595 Compute DECL_ASSEMBLER_NAME lazily.
2596 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
2597 (DECL_ASSEMBLER_NAME_SET_P): New macro.
2598 (SET_DECL_ASSEMBLER_NAME): Likewise.
2599 (COPY_DECL_ASSEMBLER_NAME): Likewise.
2600 (set_decl_assembler_name): Declare.
2601 (lang_set_decl_assembler_name): Likewise.
2602 * tree.c (lang_set_decl_assembler_name): New variab.e
2603 (set_decl_assembler_name): New function.
2604 (init_obstacks): Set lang_set_decl_assembler_name.
2605 (build_decl): Don't set DECL_ASSEMBLER_NAME.
2606 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
2607 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
2608 where it's not necessary.
2609 (builtin_function): Likewise.
2610 (finish_decl): Likewise.
2611 * dbxout.c (dbxout_type_methods): Likewise.
2612 * ggc-common.c (ggc_mark_trees): Likewise.
2613 * profile.c (output_func_start_profiler): Likewise.
2614 * varasm.c (make_decl_rtl): Likewise.
2616 * cse.c (find_comparison_args): Update documentation. Fix
2617 mishandling of COMPARE operations.
2619 * tree.def (ABS_EXPR): Add documentation.
2620 * fold-const.c (fold): Improve folding of ABS_EXPRs.
2622 2001-03-19 Zack Weinberg <zackw@stanford.edu>
2624 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
2626 2001-03-19 Jakub Jelinek <jakub@redhat.com>
2628 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
2629 Remove ia32 linux PIC kludge and move it...
2630 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
2632 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
2634 * i386.md (absdf2 expander): Fix 64bit case.
2636 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
2638 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
2640 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
2642 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
2644 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2646 * README.X11: Remove obsolete file.
2648 2001-03-18 Anthony Green <green@redhat.com>
2650 * config/pj/pj.h: Remove some trailing commas.
2651 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
2653 2001-03-18 Richard Henderson <rth@redhat.com>
2655 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
2656 * calls.c: ... here.
2657 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
2658 defaults for them here.
2660 2001-03-17 Anthony Green <green@redhat.com>
2662 * config/pj/lib1funcs.S: Fix broken comment.
2663 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
2666 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
2668 * gcc.texi: Remove obsolete information relating to build and
2669 installation problems with enquire or the Pyramid C compiler.
2671 2001-03-17 Richard Henderson <rth@redhat.com>
2673 * dwarf2out.c (queue_reg_save): New.
2674 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
2675 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
2677 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
2678 (cfa, cfa_store, cfa_temp): Make static.
2679 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
2681 2001-03-17 Richard Henderson <rth@redhat.com>
2683 * integrate.h (struct inline_remap): Add local_return_label.
2684 * integrate.c (expand_inline_function): Initialize it and emit
2685 it after copy_insn_notes.
2686 (copy_insn_list): Don't store local_return_label here.
2687 (copy_insn_notes): New function split out from copy_insn_list.
2689 2001-03-17 Richard Henderson <rth@redhat.com>
2691 * dwarf2out.c (lookup_filename): Emit .file if the assembler
2692 is generating .debug_line.
2693 (dwarf2out_init): Add main_input_filename to the file table first.
2694 * configure.in (as_dwarf2_debug_line): Test with file number 1
2695 instead of file number 0.
2697 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2699 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
2700 (gen_rtx_combine): Deleted; all references changed as appropriate.
2701 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
2703 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
2705 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
2707 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
2710 2001-03-16 Jim Wilson <wilson@redhat.com>
2712 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
2713 then set it to LOC_REG (79) instead of aborting.
2715 2001-03-16 Phil Edwards <pme@sources.redhat.com>
2717 * gccbug.in: Remove high priority.
2719 2001-03-16 Richard Henerson <rth@redhat.com>
2721 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
2722 output with a space instead of deleting it.
2723 * configure: Regenerate.
2725 2001-03-16 Zack Weinberg <zackw@stanford.edu>
2727 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
2728 handles the gory details of converting an object file into
2729 something that's safe to grep.
2730 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
2731 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
2732 newlines at either end of the string we're looking for.
2733 Make 'checking ...' message less stilted.
2734 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
2735 ARM in-memory layout and its hypothetical converse. Don't
2736 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
2737 HOST_WORDS_BIG_ENDIAN.
2739 * configure.in: Adjust for renamed macro. Move
2740 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
2741 * configure, config.in: Regenerate.
2743 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2745 * fixinc/Makefile.in: Set SHELL.
2747 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2749 * fixinc/fixincl.c (fix_with_system): Quote file names before
2750 passing them to shell.
2752 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
2754 * Makefile.in: Use fix-header$(build_exeext) instead
2757 2001-03-16 Richard Henderson <rth@redhat.com>
2759 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
2760 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
2761 (size_of_line_prolog): Remove.
2762 (output_line_info): Compute prologue size via label difference.
2763 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
2765 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
2766 assembler error when redefining file numbers.
2767 * config.in, configure: Rebuild.
2769 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
2770 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
2771 (dw2_asm_output_delta_uleb128): Likewise.
2772 (dw2_asm_output_delta_sleb128): Similarly.
2773 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
2775 2001-03-16 Michael Meissner <meissner@redhat.com>
2777 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
2779 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
2781 (BITMASK_LOWER16): Replacement for 0x0000ffff.
2783 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
2784 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
2785 being unsigned in ISO C and signed in traditional.
2786 (expand_prologue): Ditto.
2787 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
2789 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
2791 (divsi3,divdi3): Ditto.
2792 (modsi3,moddi3): Ditto.
2793 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
2794 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
2795 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
2798 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
2800 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
2801 SSE based conditional moves on LTGT/UNEQ conditions;
2802 Canonicalize EQ to NE.
2803 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
2804 (sse_mov?fcc_ne): New.
2806 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
2808 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2810 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
2811 register may be dead.
2813 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
2815 * Makefile.in (hash.o): Depend on CONFIG_H.
2817 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2819 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
2821 2001-03-15 Richard Henderson <rth@redhat.com>
2823 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
2824 (ASM_OUTPUT_DWARF_PCREL): New.
2825 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
2827 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
2829 * cppfiles.c (stack_include_file): Use MAX of sysp.
2831 2001-03-15 Steve Ellcey <sje@cup.hp.com>
2833 * config.gcc (ia64*-*-hpux*): New case.
2834 * config/ia64/hpux.h: New file for HP-UX support.
2835 * config/ia64/t-hpux: New file for HP-UX support.
2837 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
2839 * fixinc/inclhack.def (irix_stdio_va_list): New.
2840 * fixinc/fixincl.x: Rebuilt.
2842 2001-03-15 Richard Henderson <rth@redhat.com>
2844 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
2845 if provided by the target.
2846 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
2847 (dw2_asm_output_addr): New.
2848 * dwarf2asm.h (dw2_asm_output_addr): Declare.
2849 * dwarf2out.c (output_cfi): Use it for program addresses.
2850 (output_call_frame_info, output_die): Likewise.
2851 (output_aranges, output_line_info): Likewise.
2853 2001-03-15 Bruce Korb <bkorb@gnu.org>
2855 * gcc.c(main): make more rigorous
2856 * collect2.c(main): guard against ignoring SIGCHLD
2857 * protoize.c(main): ditto
2858 * gcc/fixinc/fixincl.c(initialize): ditto
2860 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2862 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
2863 (sdbout_parms): Likewise.
2865 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
2867 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
2868 "widen" a destination that is already wider than a word. Also do
2869 not widen if LOAD_EXTEND_OP is NIL for the given mode.
2871 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2873 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
2875 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
2877 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
2879 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
2881 * i960.h (i960_maxbitalignment,
2882 i960_last_maxbitalignment): Declare.
2883 * i960.c (i960_maxbitalignment,
2884 i960_last_maxbitalignment): Make global.
2885 (process_pragma): Delete.
2886 (i960_pr_align, i960_pr_noalign): Move from here ...
2887 * i960-c.c: ... to this new file.
2888 * t-960bare (i960-c.o): New rule.
2889 * t-vxworks960 (i960-c.o): Likewise.
2890 * config.gcc (i960-*-*): Define c_target_objs and
2893 2001-03-15 Bernd Schmidt <bernds@redhat.com>
2895 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
2896 without adding in rtx code and mode.
2898 * alias.c (init_alias_analysis): Don't use any rtx whose value
2899 varies as a known value.
2900 Delete a superfluous test.
2902 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
2904 (ia64_sched_reorder): Call maybe_rotate; also rotate after
2905 scheduling a stop bit.
2906 (ia64_emit_nops): Correctly handle ASMs.
2908 2001-03-15 Mark Mitchell <mark@codesourcery.com>
2910 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
2912 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
2914 * cpp.texi: Update documentation for -include and -imacros.
2915 * cppfiles.c (struct include_file): Remove "defined" memeber.
2916 (find_or_create_entry): Make a copy of the file name, and
2918 (open_file): Update to ensure we use the simplified filename.
2919 (stack_include_file): Don't set search_from.
2920 (cpp_included): Don't simplify the path name here.
2921 (find_include_file): New prototype. Call search_from to
2922 get the start of the "" include chain. Don't simplify the
2924 (_cpp_execute_include): New prototype. Move diagnostics to
2925 do_include_common. Update.
2926 (_cpp_pop_file_buffer): Don't set defined.
2927 (search_from): New prototype. Use the preprocessor's cwd
2928 for files included from the command line.
2929 (read_name_map): Don't simplify the pathname here.
2930 * cpphash.h (enum include_type): New.
2931 (struct buffer): Delete search from. New search_cached.
2932 (_cpp_execute_include): Update prototype.
2933 * cppinit.c (do_includes): Use _cpp_execute_include.
2934 * cpplib.c (do_include_common): New function.
2935 (do_include, do_include_next, do_import): Use it.
2937 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2939 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
2940 contents of the RTL, to determine the name of the object.
2942 2001-03-14 Mark Mitchell <mark@codesourcery.com>
2944 * tree.h (DECL_RTL): Allocate RTL lazily.
2945 (SET_DECL_RTL): New macro.
2946 (DECL_RTL_SET_P): Likewise.
2947 (COPY_DECL_RTL): Likewise.
2948 (DECL_RTL_IF_SET): Likewise.
2949 * varasm.c (make_decl_rtl): Add assertions about the kind of
2950 declaration we are processing.
2951 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
2952 (start_decl): Likewise.
2953 (finish_decl): Likewise.
2954 * c-semantics.c (emit_local_var): Likewise.
2955 * calls.c (expand_call): Likewise.
2956 * dbxout.c (dbxout_symbol): Likewise.
2957 * emit-rtl.c (unshare_all_rtl): Likewise.
2958 (unshare_all_decls): Likewise.
2959 (reset_used_decls): Likewise.
2960 * expr.c (store_constructor): Likewise.
2961 (safe_from_p): Likewise.
2962 (expand_expr): Likewise.
2963 * function.c (put_var_into_stack): Likewise.
2964 (instantiate_decls_1): Likewise.
2965 (assign_parms): Likewise.
2966 (expand_function_start): Likewise.
2967 (expand_function_end): Likewise.
2968 * ggc-common.c (gcc_mark_trees): Likewise.
2969 * integrate.c (function_cannot_inline_p): Likewise.
2970 (copy_decl_for_inlining): Likewise.
2971 (expand_inline_function): Likewise.
2972 (integrate_parm_decls): Likewise.
2973 (integrate_decl_tree): Likewise.
2974 * print-tree.c (print_node): Likewise.
2975 * reg-stack.c (stack_result): Likewise.
2976 * stmt.c (label_rtx): Likewise.
2977 (expand_return): Likewise.
2978 (expand_decl): Likewise.
2979 (expand_decl_cleanup): Likewise.
2980 (expand_anon_union_decl): Likewise.
2981 * toplev.c (check_global_declarations): Likewise.
2982 (rest_of_decl_compilation): Likewise.
2983 * tree.c (simple_cst_equal): Likewise.
2984 * objc/objc-act.c (generate_static_references): Likewise.
2986 2001-03-14 Zack Weinberg <zackw@stanford.edu>
2988 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
2989 gcc_AC_C_FLOAT_FORMAT): New macros.
2990 * configure.in: Add AC_PROG_CPP after CC tests;
2991 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
2992 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
2993 * configure, config.in: Regenerate.
2995 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
2996 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
2997 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
2998 config/i370/xm-linux.h, config/i370/xm-oe.h,
2999 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
3000 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
3001 config/pa/xm-linux.h, config/pa/xm-pa.h,
3002 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
3003 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
3004 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
3005 config/we32k/xm-we32k.h: Delete.
3007 * config/i370/xm-mvs.h, config/m88k/m88k.h,
3008 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3009 config/vax/xm-vms.h: Don't define any of:
3010 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
3012 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
3014 * config.gcc: Remove references to deleted files.
3015 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
3016 FATAL_EXIT_CODE, which is the same between oe and mvs).
3018 2001-03-14 DJ Delorie <dj@redhat.com>
3019 Vladimir Makarov <vmakarov@redhat.com>
3021 * config/i960/i960.c (i960_function_prologue): Compute size of
3022 frame according to number of registers actually saved there.
3024 2001-03-14 Richard Henderson <rth@redhat.com>
3026 * expr.c (emit_move_insn_1): Fix else if around #endif.
3028 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
3031 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
3034 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
3036 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
3037 (override_options): Parse cmodel string.
3038 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
3039 * i386.h (TARGET_OPTIONS): Add "cmodel".
3040 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
3042 (ix86_cmodel_string, ix86_cmodel): Declare.
3044 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
3047 * i386.h (GENERAL_REG_P): Add missing REG_P.
3049 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
3051 * configure.in: Use $gcc_cv_as instead of $as.
3052 * configure: Regenerated.
3054 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
3056 * cppfiles.c (stack_include_file): Only increase the include
3057 count if we actually process the file properly, as opposed
3058 to treating it as length zero. Only call read_include_file
3059 if not DO_NOT_REREAD. Handle the -H include file output
3061 (read_include_file): Remove now redundant DO_NOT_REREAD check.
3062 (cpp_included, find_include_file): Simplify pathnames after
3063 remapping them. If remapping, don't use the remapped file
3064 name's buffer as our scratch buffer.
3065 (cpp_pop_file_buffer): Replace the multiple include macro
3066 only if it isn't yet set.
3067 (read_name_map): Simplify remapped names when reading in.
3068 (remap_filename): Move code to code path that uses it.
3069 (_cpp_simplify_pathname): Return the input pointer.
3070 * cpphash.h (_cpp_simplify_pathname): Update prototype.
3072 2001-03-14 Mark Mitchell <mark@codesourcery.com>
3074 * expr.c (expand_expr): Revove bogus conditional.
3076 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
3078 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
3080 2001-03-14 Jakub Jelinek <jakub@redhat.com>
3082 * reg-stack.c (stack_result): Unconditionally use
3083 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
3085 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
3087 * expr.c (emit_move_insn_1): Split push of complex value when
3088 no suitable push instruction exist.
3090 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
3091 instead of QI_REG_P.
3093 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * alias.c (handled_component_p, can_address_p): New functions.
3096 (get_alias_set): Use them.
3098 2001-03-13 Jim Wilson <wilson@redhat.com>
3100 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
3101 from 80 in try_locals code.
3102 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
3104 2001-03-13 Zack Weinberg <zackw@stanford.edu>
3106 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
3107 gcc_AC_C_LONG_LONG): New.
3108 * configure.in: Use them. Probe the size of short, int, long,
3109 and long long/__int64 if we have them. Move all the AC_C_*
3110 checks together, except gcc_AC_C_CHAR_BIT which has to go
3111 after AC_CHECK_HEADERS(limits.h).
3112 Take hwint.h out of host_xm_file and build_xm_file.
3114 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
3115 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
3116 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
3117 Move the HOST_WIDEST_INT setup logic here from system.h.
3118 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
3120 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
3121 is now handled by hwint.h.
3123 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
3124 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
3125 config/ia64/xm-ia64.h: Don't define any of:
3126 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
3127 HOST_BITS_PER_LONGLONG.
3129 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
3130 config/h8300/xm-h8300.h, config/mips/iris6.h,
3131 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
3132 config/sparc/xm-sp64.h: Delete.
3133 * config.gcc: Remove references to deleted files.
3135 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
3136 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
3137 * config/i370/xm-linux.h: Clarify floating-point situation in
3140 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
3142 * cppfiles.c (NO_INCLUDE_PATH): New macro.
3143 (find_include_file): Decide here which part of the include
3144 chain to start the search. Complain about an empty include
3145 chain in all cases apart from an abolsute file name.
3146 (_cpp_execute_include): Don't choose the search chain here.
3147 Don't call handle_missing_include in the case of an empty
3149 (_cpp_compare_file_date): Don't choose the search chain here.
3150 * cpplib.c (do_include_next): Move the in-main-file diagnostic
3151 here from _cpp_execute_include. Behave like #include if
3152 we're in the main file.
3154 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3156 * system.h (malloc, realloc, calloc, strdup): Only poison these
3157 tokens when IN_GCC is defined.
3159 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
3161 * i386.md (abs?f expander): Support SSE case.
3162 (abd?f_if): Add new "USE"; add splitters.
3164 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3166 * cpp.texi (poison): Explain the macro expansion exception.
3168 2001-03-13 Jakub Jelinek <jakub@redhat.com>
3170 * expr.c (store_expr): Add dont_store_target. If temp is already in
3171 target before copying to reg, don't store it into target again.
3173 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3175 * cppinternals.texi: Update for file handling.
3177 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3179 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
3180 2001-02-24 which broke building the Java library.
3181 * function.c (identify_blocks): Likewise.
3182 (all_blocks): Likewise.
3183 * integrate.c (integrate_decl_tree): Likewise.
3184 * print-tree.c (print_node): Likewise.
3185 * tree.h (BLOCK_NUMBER): Likewise.
3186 (struct tree_block): Likewise.
3188 2001-03-12 David Edelsohn <edelsohn@gnu.org>
3190 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
3191 __WCHAR_TYPE__ definition.
3192 (WCHAR_TYPE_SIZE): #undef before #define.
3194 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3196 * cppfiles.c: Update comments.
3197 (destroy_include_file_node): Rename destroy_node.
3198 (find_or_create_entry): New function.
3199 (open_file, _cpp_fake_include): Use it.
3200 (handle_missing_header): New function, broken out of
3201 _cpp_execute include. Don't segfault if there is no
3202 system or quoted path.
3203 (_cpp_execute_include): Use handle_missing_header.
3205 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
3207 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
3208 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
3210 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3212 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
3213 unless anti_dependence says they are.
3214 * alias.c (objects_must_conflict): If neither has a type specified,
3217 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
3218 David Billinghurst <David.Billinghurst@riotinto.com>
3220 * config/mips/iris5.h: Change WCHAR_TYPE to int.
3222 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
3224 * i386.md (trunctfdf2_2): Rename missnamed pattern.
3225 (*_one_bit): Remove type on the match_operand in attributes.
3227 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
3229 * i386.c: Commit forgotten hunk in previous patch.
3230 (regclass_map): Add extended registers.
3231 (dbx_register_map): Add missing frame register.
3233 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
3235 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
3237 * i386.md (x86_sahf_1): Disable for 64bit.
3238 (popsi*, pophi*): Likewise.
3239 (pushqi, pushhi): Likewise.
3240 (movdi, pushdi): Likewise.
3241 (zero extend DImode splitter): Likewise.
3242 (adddi, minusdi splitter): Likewise.
3243 (umulsidi): Likewise.
3245 (mulsidi): Disable for 64bit
3246 (lshift:DI/ashift:DI): Disable for 64bit.
3247 (loop patterns): Likewise.
3248 (call_pop, call_value_pop expanders and patterns): Likewise.
3249 (prologue_get_pc): Likewise.
3251 (fcmovDI pattern and splitter): Likewise.
3252 (movdfcc_1_rex64): New.
3254 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
3256 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
3257 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
3258 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
3259 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
3260 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
3261 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
3262 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
3263 (PUSH_ROUNDING): x86_64 rounds to 64bits.
3264 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
3265 (REGPARM_MAX): Set to 6 for x86_64.
3266 (SSE_REGPARM_MAX): Set to 16 for x86_64.
3267 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
3270 * (patterns that does use upper halves): Update constraints
3271 'q' to 'Q' and 'r' to 'R'.
3272 (cmpqi_ext_1): Disable for 64bit.
3273 (cmpqi_ext_3_insn): Likewise.
3274 (movqi_extzv_1): Likewsie.
3275 (addqi_ext_1): Liekwsie
3276 (testqi_ext_1): Liekwsie
3277 (andqi_ext_1): Liekwsie
3278 (xorqi_ext_1): Liekwsie
3279 (cmpqi_ext_1_rex64): New.
3280 (cmpqi_ext_3_insn_rex64): Likewise.
3281 (movqi_extzv_1_rex64): Likewsie.
3282 (addqi_ext_1_rex64): Liekwsie
3283 (testqi_ext_1_rex64): Liekwsie
3284 (andqi_ext_1_rex64): Liekwsie
3285 (xorqi_ext_1_rex64): Liekwsie
3287 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3289 * configure.in: Move check for unsigned enumerated bitfields
3290 to macro in aclocal.m4. Disable it for now.
3291 * configure, config.in: Regenerate.
3292 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
3293 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
3294 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
3295 kind above its first use.
3297 * config/xm-interix.h, config/alpha/xm-alpha.h,
3298 config/i370/xm-linux.h, config/i386/xm-beos.h,
3299 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
3300 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3301 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
3302 Don't define ONLY_INT_FIELDS under any circumstances.
3304 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
3306 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
3307 config/sparc/xm-sysv4.h: Delete - now identical with some
3309 * config.gcc (hppa targets): Replace xm-pahpux.h and
3310 xm-papro.h with implicit xm-pa.h.
3311 (sparc targets): Replace xm-sysv4.h with implicit or explicit
3314 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
3316 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
3317 before reload_cse_noop_set_p.
3319 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3321 * config.gcc: Where xm-host.h used to include another
3322 xm-host.h, list the nested header directly in xm_file. Remove
3323 references to deleted files. Can now use sparc/xm-sp64.h for
3326 * config/xm-linux.h, config/arm/xm-linux.h,
3327 config/i386/xm-dos.h, config/i386/xm-gnu.h,
3328 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
3329 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
3330 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
3331 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
3334 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
3335 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
3336 bother to wrap #undef in #ifdef.
3337 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
3338 Don't include xm-linux.h.
3339 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
3341 * configure.in: Wrap regexps using [] in changequote block.
3342 Use expr : not echo | grep. Simplify regexps.
3343 * configure: Regenerate.
3345 56 xm-files remain, 22 xm-arch.
3347 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
3350 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3351 (local_index, local_rindex): Delete, use strchr/strrchr instead.
3352 (copy_object): Fix format specifier vs argument mismatch.
3354 * mips-tdump.c: Make local functions static.
3355 (rindex): Don't #undef.
3356 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
3357 (fatal, fancy_abort): Delete.
3358 (read_seek): Avoid signed/unsigned compare.
3360 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3362 * combine.c (try_combine): Fix error in change to try original
3364 (gen_rtx_combine): Do same as gen_rtx for now.
3366 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3368 * configure.in: AC_SUBST xm_defines.
3369 * configure: Regenerate.
3370 * Makefile.in: Set DEFINES=$(xm_defines) when building
3373 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
3375 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
3376 (cpp_included, find_include_file): Update.
3377 (_cpp_compare_file_date): Make else unconditional.
3379 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
3381 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
3383 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
3385 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
3386 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
3388 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
3390 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
3391 if it's a record type.
3393 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
3395 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
3396 mingw includes slightly.
3398 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3400 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
3401 #undef token before poisoning it.
3403 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3405 * alpha.c (check_float_value): Use memcpy, not bcopy.
3407 * m32r.c (m32r_sched_reorder): Likewise.
3409 * vax.c (check_float_value): Likewise.
3411 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3413 * toplev.c (file_name_nondirectory): Remove.
3414 * toplev.h: Similarly.
3415 * dwarf2out.c (compute_section_prefix): Use lbasename instead
3416 of file_name_nondirectory.
3418 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3420 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
3421 * mips-tfile.c: Don't #undef rindex; not used.
3423 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3425 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
3426 (dbx64_register_map): Declare.
3427 (RETURN_ADDR_RTX): Fix for 64bit.
3428 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
3429 (INCOMING_FRAME_SP_OFFSET): Set to 8.
3430 * i386.c (dbx64_register_map): New global array.
3431 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
3432 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
3435 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
3437 * cppfiles.c (search_from): Use lbasename.
3438 * mkdeps.c (deps_add_default_target): Use lbasename.
3440 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3442 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
3443 xcalloc in lieu of malloc, realloc & calloc.
3445 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
3447 * gengenrtl.c (xmalloc): Likewise.
3449 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
3450 really_call_* memory allocation routines.
3452 * stmt.c (check_for_full_enumeration_handling): Use
3453 really_call_calloc, not calloc.
3455 * system.h (really_call_malloc, really_call_calloc,
3456 really_call_realloc): Define.
3457 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
3459 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
3461 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
3463 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
3465 * configure: Rebuilt.
3466 * configure.in: Only use `lang_requires' for languages athat are
3469 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3471 * invoke.texi: Fix typo.
3472 * gcc.1: Regenerate.
3474 2001-03-09 Zack Weinberg <zackw@stanford.edu>
3476 * configure.in: Prune nonexistent files from build_xm_file,
3477 xm_file, and host_xm_file lists. Warn unless they're
3479 Don't generate *config.h here.
3480 AC_SUBST all variables needed to generate *config.h.
3481 * configure: Regenerate.
3482 * mkconfig.sh: New helper script, from code removed from
3484 * Makefile.in: Zap all MALLOC variables - no longer used
3485 anywhere, and malloc.c doesn't exist.
3486 Substitute in variables needed to generate *config.h.
3487 Stop lying about the dependencies contained in CONFIG_H and
3489 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
3490 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
3491 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
3492 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
3493 $(TM_P_H), etc. as appropriate.
3495 * config.gcc: Zap references to deleted files.
3496 * ggc-none.c: Don't include rtl.h or tm_p.h.
3498 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
3499 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
3500 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
3501 config/i386/xm-linux.h, config/i386/xm-linux.h,
3502 config/i386/xm-next.h, config/i386/xm-openbsd.h,
3503 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
3504 Don't include i386/xm-i386.h.
3506 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
3507 config/i386/xm-i386.h, config/i860/xm-i860.h,
3508 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
3509 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3510 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
3511 Delete (empty except comments, #includes of other deleted
3512 files, and macros used nowhere).
3514 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3516 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
3517 independent on TARGET_FLAGS.
3519 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
3521 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
3523 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
3525 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
3527 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
3528 LAST_REX_SSE_REG): define.
3529 (enum reg_class): Add 'LEGACY_REGS'
3530 (REG_CLASS_CONTENTS): Likewise; add extended registers.
3531 (SSE_REGNO_P): Recognize extended registers.
3532 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
3533 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
3534 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
3535 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
3536 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
3537 REG_OK_FOR_STRREG_P): Remove.
3538 (HI_REGISTER_NAMES): Add extended registers.
3539 (ADDITIONAL_REGISTER_NAMES): Likewise.
3540 (QI_REGISTER_NAMES): Add 8bit extended registers.
3541 (DEBUG_REG): Support extended registers.
3542 * i386.c (regclass_map): Add extended registers.
3543 (dbx_register-map): Likewise.
3544 (svr4_dbx_register_map): Likewise.
3545 (print_reg): Support extended registers.
3546 (print_operand): Support 64bit operands.
3548 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
3550 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
3551 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
3552 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
3553 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
3554 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
3555 STACK_BOUNDARY): Set properly for 64bits.
3556 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
3557 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
3558 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
3559 (MOVE_MAX): Set to 16.
3560 (MOVE_MAX_PIECES): 8 for 64bit.
3561 (Pmode): Set to SImode.
3563 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
3565 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
3567 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
3569 * i386.h (mask_64bit): New constant.
3570 (target_64bit): New macro.
3571 (target_options): Add '64'/'32'
3572 (target_default): Define.
3573 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
3574 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
3575 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
3577 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
3579 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
3581 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3583 * rtlanal.c (rtx_varies_p): Check operand 0 of a
3584 LO_SUM unless for_alias is set.
3586 2001-03-08 Stan Shebs <shebs@apple.com>
3588 * objc/objc-act.c: Fix old typos in comments, add comments for
3590 (hash_init): Fix file name in error message.
3591 (hash_enter): Ditto.
3592 (hash_add_attr): Ditto.
3593 (continue_class): Ditto.
3595 2001-03-08 Bruce Korb <bkorb@gnu.org>
3597 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
3598 wait4() can receive the signal.
3600 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3602 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
3604 * fixinc/fixincl.x: Regenerate.
3606 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3608 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
3610 * fixinc/fixincl.x: Regenerate.
3612 2001-03-08 Richard Henderson <rth@redhat.com>
3614 * configure.in (HAVE_AS_LEB128): New assembler check.
3615 * configure, config.in: Rebuilt.
3617 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
3619 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
3622 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3624 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
3625 references to the MAXPATHLEN macro.
3627 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
3628 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
3631 * config/i386/xm-gnu.h, config/xm-gnu.h,
3632 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
3633 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
3634 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
3635 and/or unused files.
3637 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
3638 doing so in various xm-*.h files.
3640 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3642 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
3644 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3646 * configure.in (enable_shared): Support per-package shared-library
3648 * configure: Rebuilt.
3650 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3652 * rs6000.md (cr logic): Add original POWER mnemonic alternative
3653 for crnot. Set operands[5] in splitter.
3655 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3657 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
3658 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
3659 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
3660 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
3661 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
3662 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
3663 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
3666 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
3667 config/i370/xm-i370.h, config/i386/xm-dgux.h,
3668 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
3669 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
3670 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
3671 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
3672 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
3673 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
3674 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
3675 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
3676 Delete unused and/or empty files.
3678 * config.gcc: Define USG in xm_defines as appropriate. Define
3679 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
3680 macro. Remove deleted xm-* files from $xm_files variable.
3682 2001-03-07 Tom Tromey <tromey@redhat.com>
3684 * configure: Rebuilt.
3685 * configure.in: Allow config-lang.in to set `lang_requires' to list
3686 of other required languages.
3688 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
3690 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
3692 (output_prologue): Use xmalloc not oballoc.
3693 (output_epilog): Free a29k_first_epilogue_insn when finished.
3694 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
3696 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
3698 * builtins.c (expand_builtin_mathfn): Check
3699 flag_unsafe_math_optimizations, not flag_fast_math.
3700 (expand_builtin): Likewise
3701 * combine.c (combine_simplify_rtx): Likewise.
3702 (simplify_if_then_else): Likewise.
3703 * cse.c (fold_rtx): Likewise.
3704 * flags.h: Remove flag_fast_math. Add
3705 flag_unsafe_math_optimizations and flag_trapping_math.
3706 * fold-const.c (negate_expr): Check
3707 flag_unsafe_math_optimizations, not flag_fast_math.
3708 (invert_truthvalue): Likewise.
3709 (fold): Likewise. Before associating operands, check that
3710 code == MULT_EXPR, not code != MULT_EXPR.
3711 * ifcvt.c (noce_try_minmax): Check
3712 flag_unsafe_math_optimizations, not flag_fast_math.
3713 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
3714 * invoke.texi: Document -funsafe-math-optimizations and
3715 -fno-trapping-math. Change documentation for -ffast-math.
3716 * jump.c (reversed_comparison_code_parts): Likewise.
3717 (rtx_equal_for_thread_p): Likewise.
3718 * optabs.c (emit_conditional_move): Likewise.
3719 * simplify-rtx.c (simplify_binary_operation): Likewise.
3720 (simplify_relational_operation): Likewise.
3721 (simplify_ternary_operation): Likewise.
3722 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
3723 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
3724 Add trapping-math and unsafe-math-optimizations entries to f_options.
3725 (set_fast_math_flags): New, sets flags for -ffast-math.
3726 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
3727 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
3728 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
3730 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
3731 (alpha_emit_conditional_move): Initialize local_fast_math to
3732 flag_unsafe_math_optimizations, not flat_fast_math.
3733 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
3734 instead of setting flag_fast_math to 1.
3735 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
3737 * config/i386/i386.c (override_options): Likewise
3738 * config/i386/i386.md: Likewise.
3739 * config/m68k/m68k.md: Likewise.
3740 * config/mips/mips.md: Likewise.
3741 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
3742 (rs6000_generate_compare): Likewise.
3744 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3746 * Makefile.in: Set RANLIB to @RANLIB@.
3749 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
3751 * fixinc/inclhack.def (djgpp_wchar_h): New test.
3752 * fixinc/fixincl.x: Regenerated.
3754 2001-03-07 Richard Henderson <rth@redhat.com>
3756 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
3758 2001-03-07 Richard Henderson <rth@redhat.com>
3760 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
3761 of block notes and exception handling notes.
3763 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
3764 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
3765 (compile_file): ... here.
3767 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3769 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
3771 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
3772 config.h now. Include libiberty.h to handle alloca.
3774 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3776 * c-parse.in (yylexname): New function, split out of _yylex.
3777 (objc_rid_sans_at): New table.
3778 (init_reswords): Initialize it.
3779 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
3780 retrieving the next token and checking it for significance as
3781 an ObjC keyword or string constant.
3783 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
3784 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
3786 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
3789 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
3791 * config/m68k/m68k.c (const_uint32_operand): Accept any
3792 const_int on a 32-bit host.
3794 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3796 * objc/objc-act.c (init_objc): Set save_lang_status,
3797 restore_lang_status, and mark_lang_status.
3799 2001-03-06 Krister Walfridsson <cato@df.lth.se>
3801 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
3803 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
3805 * cppinternals.texi: Update.
3807 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3809 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
3810 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
3811 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
3812 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
3813 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
3814 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
3815 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
3816 config/i386/xm-i386.h, config/i860/xm-i860.h,
3817 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
3818 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
3819 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3820 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
3821 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
3822 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
3823 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
3824 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
3825 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
3826 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3827 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
3828 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
3829 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
3830 match the defaults provided in hwint.h.
3832 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
3833 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
3835 * config.gcc (xm_file): Don't set to files which are deleted.
3837 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
3838 guard this file against these macros being undefined.
3840 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3842 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
3843 and DECL_DEFER_OUTPUT on the decl we create, before calling
3844 rest_of_decl_compilation.
3846 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3848 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
3850 * configure, config.in: Regenerate.
3851 * config.gcc: Remove references to deleted files.
3853 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
3854 genrecog.c, rtl.c: Do not use alloca anywhere.
3856 * Makefile.in, build-make, system.h, config/x-interix,
3857 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
3858 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
3859 config/arc/xm-arc.h, config/arm/xm-arm.h,
3860 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
3861 config/h8300/xm-h8300.h, config/i370/x-oe,
3862 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
3863 config/i386/x-ncr3000, config/i386/x-sco5,
3864 config/i386/xm-dgux.h, config/i860/x-sysv4,
3865 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
3866 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
3867 config/m68k/x-hp320g, config/m69k/x-mot3300,
3868 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
3869 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
3870 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
3871 config/m88k/x-sysv4, config/m88k/x-tekXD88,
3872 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
3873 config/mips/x-iris, config/mips/x-iris3,
3874 config/mips/x-sni-svr4, config/mips/x-sysv,
3875 config/mips/xm-iris6.h, config/mips/xm-mips.h,
3876 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
3877 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
3878 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
3879 config/pa/xm-papro.h, config/romp/xm-romp.h,
3880 config/rs6000/x-aix31, config/rs6000/x-aix41,
3881 config/rs6000/x-beos, config/rs6000/x-lynx,
3882 config/rs6000/x-mach, config/rs6000/x-rs6000,
3883 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
3884 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
3885 config/sparc/x-sysv4, config/sparc/xm-linux.h,
3886 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
3887 config/vax/xm-vms.h: Eradicate all references to alloca and
3890 * config/xm-alloca.h, config/clipper/x-clix,
3891 config/i386/xm-sysv4.h, config/i860/x-fx2800,
3892 config/i860/x-sysv3, config/m88k/x-sysv3,
3893 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
3894 (contained only alloca related hacks).
3896 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
3899 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
3901 * invoke.texi: Document __FAST_MATH__.
3903 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3905 * crtstuff.c: Restore include of auto-host.h.
3907 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
3909 Put main() in a separate file, so that the language
3910 front-end can use a different main().
3913 * toplev.c: (main): Rename as toplev_main.
3914 * toplev.h: Declare toplev_main.
3915 * Makefile.in (OBJS): add toplev.o.
3916 (BACKEND): remove toplev.o, add main.o.
3918 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3920 * cppfiles.c (search_from): Special case the empty string.
3922 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
3924 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
3925 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
3926 strlen or strcpy; we already know the length.
3927 (_cpp_compare_file_date): Similarly.
3928 * cpphash.h (struct cpp_reader): Delete done_initialising.
3929 (CPP_PREV_BUFFER): Delete.
3930 * cppinit.c (cpp_start_read): Don't set done_initialising.
3931 * cpplex.c (parse_string): Guarantee null-termination.
3932 (_cpp_equiv_toklists): Remove.
3933 * cpplib.c (glue_header_name): Null-terminate.
3934 (do_line): Don't leak memory.
3935 * cpplib.h (BT_WEAK): Delete.
3936 * cppmain.c (cb_ident): Strings are now null-terminated.
3938 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
3940 * gcc.c (convert_filename): Append executable suffix
3941 if NO_AUTO_EXE_SUFFIX is not defined.
3942 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
3943 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
3945 2001-03-03 David O'Brien <obrien@FreeBSD.org>
3947 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
3948 * c-parse.gperf, c-gperf.h: Delete.
3949 (c-gperf.h was accidently re-added to the CVS repo in the rev
3950 1.16 commit by tromey)
3952 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3954 * cpplex.c (_cpp_lex_token): Don't warn about directives in
3955 macro arguments when looking for the '('.
3956 * cppmacro.c (funlike_invocation_p): Set parsing_args to
3957 2 when really parsing arguments; 1 when looking for '('.
3958 Always restore the lexer position.
3960 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3962 * longlong.h (umul_ppmm): Don't use a multiline string.
3964 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
3966 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
3967 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
3968 t_bool in declaration because pcc can't combine volatile with typedef
3971 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
3973 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
3974 until when it is really needed.
3975 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
3976 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
3977 * i386.md (float?i?f splitter): Don't force source operand to memory
3979 (sse_movdfcc): Fix constraint.
3980 (sse_movdfcc splitter): Handle properly the second alternative.
3982 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3984 * cpplex.c (parse_string): Unconditionally pedwarn.
3986 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
3989 * cppexp.c (parse_number): Update.
3990 * cpplex.c (parse_string): Pedwarn if multiline string does not
3991 result from a system header's macro.
3992 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
3993 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
3994 for function-like macros too.
3995 * c-lex.c (lex_number): Update.
3997 2001-03-03 Richard Henderson <rth@redhat.com>
3999 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
4001 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
4003 * combine.c (try_combine): If split with mode-changed scratch
4004 register didn't work, try the original mode.
4006 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
4008 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
4009 * config/c4x/c4x.h: Likewise.
4010 * stor-layout.c (compute_record_mode): Likewise.
4011 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
4013 2001-03-02 Zack Weinberg <zackw@stanford.edu>
4015 * configure.in: Kill tm.h. Include the files in the $tm_file
4016 list in all three of config.h, hconfig.h, tconfig.h, after the
4017 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
4018 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
4019 * configure: Regenerate.
4020 * Makefile.in (clean): Don't delete tm.h.
4022 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
4023 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
4024 those are not defined, set SEC and FEC to 0 and 1.
4025 * gcc.texi: Update to match.
4027 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
4028 * config/fp-bit.c, config/m68k/aux-crt2.asm,
4029 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
4030 Include tconfig.h, not tm.h.
4032 * config/xm-lynx.h, config/xm-std32.h,
4033 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
4034 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
4035 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
4036 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4037 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4038 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4039 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
4040 config/i386/xm-i386.h, config/i860/xm-i860.h,
4041 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
4042 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
4043 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
4044 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
4045 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
4046 config/pa/xm-linux.h, config/pa/xm-pa.h,
4047 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
4048 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
4049 config/pj/xm-pj.h, config/romp/xm-romp.h,
4050 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4051 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4052 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4053 config/v850/xm-v850.h, config/vax/xm-vax.h,
4054 config/we32k/xm-we32k.h:
4056 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
4058 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
4059 config/i370/xm-oe.h: Don't include tm.h. Don't define
4061 * config/vax/xm-vms.h: Don't include tm.h.
4063 * config/xm-lynx.h, config/avr/xm-avr.h,
4064 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
4065 Delete; made empty by above changes.
4066 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
4067 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
4068 Don't include config/xm-lynx.h or tm.h.
4070 * config/xm-gnu.h: Don't include fcntl.h.
4071 * config/sparc/xm-lynx.h: Don't include sys/types.h and
4073 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
4075 2001-03-02 Richard Henderson <rth@redhat.com>
4077 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
4078 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
4080 2001-03-02 Richard Henderson <rth@redhat.com>
4082 * Makefile.in (OBJS): Add dwarf2asm.o.
4083 * dwarf2asm.c, dwarf2asm.h: New files.
4084 * dwarf2out.c (*): Use them.
4085 (size_of_uleb128, size_of_sleb128): Remove.
4086 (output_uleb128, output_sleb128): Remove.
4087 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
4088 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
4089 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
4090 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
4091 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
4092 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
4093 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
4094 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
4095 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
4096 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4097 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
4098 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
4099 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
4100 (dwarf2out_frame_debug): Remove unused variables.
4101 (output_loc_operands): Don't abort on 8 byte constants if
4102 host integers are wide enough.
4103 (output_symbolic_ref): Remove.
4104 (size_of_die): Don't assume 4 byte host integers.
4105 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
4107 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
4108 something stupid with HOST_WIDE_INT to long truncation.
4109 [CONST_DOUBLE]: Likewise.
4111 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
4112 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
4113 * config/arm/unknown-elf.h: Likewise.
4114 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
4115 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
4116 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
4117 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
4118 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
4119 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
4120 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
4121 (ASM_OUTPUT_DWARF_OFFSET): Remove.
4122 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
4123 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
4124 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
4125 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
4127 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4129 * cselib.c (hash_rtx): Cast enums to unsigned int.
4131 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
4133 * print-rtl.c (print_rtx): Cast enums to int for comparison.
4134 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
4136 * c-format.c (C_STD_VER): Cast to int for comparisons.
4137 (check_function_format): Cast various enums to int for &.
4138 (maybe_read_dollar_number): Likewise.
4139 (check_format_info): Likewise.
4140 (check_format_info_main): Likewise.
4141 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
4142 (safe_from_p): Likewise.
4143 * varasm.c (const_hash): Cast enum to int for %.
4144 * emit-rtl.c (init_emit_once): Use int loop variable to work around
4145 pcc enum problems with < and ++ operators.
4146 * regclass.c (init_reg_sets_1): Cast enums for comparison.
4147 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
4148 (regclass_init): Change enum class to int to iterate over reg_classes.
4149 * genrecog.c (merge_trees): Cast enums for comparison.
4150 * rtl.h (GET_CODE): Cast to enum rtx_code.
4151 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
4152 (GET_MODE): Cast to enum machine_mode.
4153 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
4154 (GET_NOTE_INSN_NAME): Cast enum to int.
4155 * tree.h (TREE_CODE): Cast to enum tree_code.
4156 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
4157 * timevar.c (timevar_print): Change loop variable id from enum to
4159 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
4160 * config/i386/i386.md: Use PUT_MODE for mode assignment.
4161 * toplev.c (compile_file): Cast enum DFI to int.
4162 (decode_d_option): Likewise.
4164 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
4166 * cppinit.c (append_include_chain): Mark "after" include file name list
4167 as a system directory.
4168 * cpp.texi: Document new behavior.
4170 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
4172 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
4174 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
4176 * cppfiles.c (struct include_file): Update.
4177 (stack_include_file): Use search_from.
4178 (cpp_included, find_include_file): Update.
4179 (cpp_execute_include): Update. ptr->name may not be
4180 null terminated. Use the new search_from member variable
4182 (_cpp_compare_file_date): Similarly.
4183 (search_from): New function, similiar to actual_directory.
4184 (actual_directory): Delete.
4185 (remap_filename): Update. loc->name may not be null terminated.
4186 (struct file_name_list): Rename search_path. Update.
4187 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
4188 search_from and dir.
4189 (struct cpp_reader): Remove actual_dirs.
4190 * cppinit.c (struct cpp_pending): Update for renamed objects.
4191 (append_include_chain, remove_dup_dir, remove_dup_dirs,
4192 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
4193 * cpplib.h (struct cpp_options): Similarly.
4195 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4197 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
4198 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
4199 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4200 config/clipper/xm-clix.h, config/convex/xm-convex.h,
4201 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
4202 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
4203 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
4204 config/i370/xm-linux.h, config/i370/xm-mvs.h,
4205 config/i370/xm-oe.h, config/i386/xm-aix.h,
4206 config/i386/xm-i386.h, config/i386/xm-osf.h,
4207 config/i860/xm-i860.h, config/i960/xm-i960.h,
4208 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4209 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
4210 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
4211 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
4212 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
4213 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
4214 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
4215 config/pj/xm-pj.h, config/romp/xm-romp.h,
4216 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
4217 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
4218 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
4219 config/v850/xm-v850.h, config/vax/xm-vax.h,
4220 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
4221 Do not define TRUE or FALSE.
4223 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
4224 empty by above change.
4225 * config.gcc: Remove references to these files.
4227 * configure.in: Detect stdbool.h.
4228 * configure, config.in: Regenerate.
4229 * system.h: Include stddef.h here if available.
4230 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
4231 Then set up a sensible boolean type at the very end.
4233 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
4234 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
4236 * hash.h: Delete 'boolean' typedef and related #undefs.
4238 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
4239 all uses of 'boolean' with 'bool'.
4241 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
4243 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
4244 * cppexp.c (lex): Cast enums for comparison.
4245 * cppinit.c (parse_option): Cast enum for comparison.
4246 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
4247 (cpp_output_token): Likewise.
4248 (cpp_can_paste): Cast enums for comparsion and plus/minus.
4249 (cpp_avoid_paste): Cast enums for minus and comparison.
4251 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4253 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
4254 field to all array elements.
4256 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4258 * cpphash.h (struct cpp_reader): Add print_version field.
4259 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
4260 just set print_version and other flags as appropriate.
4261 (cpp_post_options): Print version here if print_version is set.
4263 * toplev.c (exit_after_options): New flag.
4264 (independent_decode_option): Don't exit here; just set
4266 (main): Exit after calling lang_hooks.post_options if
4267 exit_after_options is true.
4269 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
4270 (merge_include_chains): Adjust comment to match code.
4272 2001-03-01 Zack Weinberg <zackw@stanford.edu>
4274 * stringpool.c (set_identifier): New function.
4275 * tree.h: Prototype it.
4277 * c-parse.in: Kill D_YES. If compiled for objc, call
4278 save_and_forget_protocol_qualifiers from init_reswords.
4279 * objc/objc-act.c (remember_protocol_qualifiers,
4280 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
4281 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
4283 (save_and_forget_protocol_qualifiers): New function.
4284 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
4286 2001-03-01 Diego Novillo <dnovillo@redhat.com>
4288 * c-semantics.c (prune_unused_decls): Return error_mark_node
4289 instead of (tree) 1 to stop traversing the tree chain.
4291 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4293 Fix a problem introduced by Kenner's Feb 18 change.
4294 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
4295 flag_cse_skip_blocks only temporarily, not for ever.
4297 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
4299 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
4300 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
4302 * pa.c (emit_move_sequence): Verify operand0 is a hard register
4303 before determining its register class.
4305 2001-03-01 Bernd Schmidt <bernds@redhat.com>
4307 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
4308 from reg 4 if current_function_calls_setjmp.
4309 (gen_nop_type): New function.
4310 (ia64_emit_nops): New function.
4311 (ia64_reorg): Call it.
4312 (ia64_sched_reorder): Move code that rotates bundles up a bit.
4314 * reload1.c (eliminate_regs_in_insn): Restrict the special case
4315 code not to try to optimize adds with anything but a REG destination.
4317 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
4318 (INSN_PRIORITY_KNOWN): New accessor macro.
4319 * haifa-sched.c (priority): Use it instead of testing priority against
4322 2001-02-28 DJ Delorie <dj@redhat.com>
4324 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
4325 since that doesn't work the way gcc wants on a generic m68k.
4327 2001-02-28 Richard Henderson <rth@redhat.com>
4329 * caller-save.c (save_call_clobbered_regs): Fix typo in
4330 comparison last change.
4332 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
4334 * i386.c (pentium4_cost): New.
4335 (m_PENT4): New macro.
4336 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
4337 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
4338 x86_integer_DFmode_moves, x86_partial_reg_dependency,
4339 x86_memory_mismatch_stall): Add Pentium4
4340 (x86_use_q_reg, x86_use_any_reg): Kill.
4341 (override_options): Add pentium4.
4342 (incdec_operand): Return 0 for pentium4.
4343 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
4344 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
4345 (TARGET_PENTIUM4): Define.
4346 (enum processor_type): Add PROCESSOR_PENTIUM4.
4347 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
4348 * i386.md (attribute "cpu"): Add pentium4.
4349 * invoke.texi (march): Add pentium4.
4351 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
4353 * i386.md (sse_mov?fcc*): New patterns and splitters.
4354 * i386.c (ix86_expand_movcc): Work post-reload; recognize
4355 the SSE based conditional moves.
4357 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
4359 * i386.md (attribute mode): Add "TI".
4360 (movsf_1): Add pxor support; remove constant propagation splitter.
4361 (movdf_integer): Likewise.
4362 (movdf_nointeger): Likewise.
4363 (movxf constant prop splitter): Handle all modes; update for SSE.
4364 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
4365 * i386.c (standard_80387_constant_p): Rewrite.
4366 (standard_sse_constant_p): New.
4367 * i386-protos.h (standard_sse_constant_p): New.
4369 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
4371 * i386.md (sse_setccsf, sse_setccdf): New.
4372 (sse_cmp* patterns): Use '%D' instead of outputtting condition
4374 * i386.c (sse_comparison_operator): Accept the supported unordered
4375 comparses; be ready for fast_math.
4376 (print_operand): Support 'D'.
4378 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
4380 * jump.c (reversed_comparison_code): Kill.
4382 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
4384 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
4387 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
4389 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
4390 add missing '%' in constraints.
4392 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
4394 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
4395 for HOST_BITS_PER_WIDE_INT == 32 too.
4397 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
4399 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
4401 (insert_save, insert_restore): New parameter save_mode.
4402 (init_caller_save): Update initialization of reg_save_code
4403 and reg_restore_code.
4404 (save_call_clobbered_regs): Compute save_modes and update calls to
4405 reg_save_code and reg_restore_code.
4406 (insert_restore): Unsignetize numbers; use save_modes to choose mode
4407 of spill; update use of reg_restore_code.
4408 (insert_save): Likewise.
4409 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4410 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
4411 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
4413 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
4415 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
4416 noce_try_store_flag_inc, noce_try_store_flag_mask,
4417 noce_try_cmove_arith):
4418 Use reversed_comparison_code instead of reverse_comparison and
4419 can_reverse_comparison_p.
4421 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
4423 * jump.c (reversed_comparison_code_parts): Allow reversal of
4424 unordered compares in -ffast-math mode; reverse ordered compares
4425 for FP even w/o -ffast-math.
4427 2001-02-27 Richard Henderson <rth@redhat.com>
4429 * print-rtl.c (print_rtx) [i]: Don't print field five on
4430 NOTEs other than NOTE_INSN_DELETED_LABEL.
4432 2001-02-27 Zack Weinberg <zackw@stanford.edu>
4434 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
4435 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
4437 2001-02-27 Diego Novillo <dnovillo@redhat.com>
4439 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
4440 even if walk_subtrees is 0.
4441 * c-semantics.c (prune_unused_decls): Return a non-null value to
4442 stop traversing the tree chain.
4444 2001-02-27 DJ Delorie <dj@redhat.com>
4446 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
4447 register, *then* define it as the new CFA.
4449 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
4451 * pa.c (override_options): Promote -fpic to -fPIC.
4452 (legitimize_pic_address): Simplify due to removal of
4453 small PIC as a code generation option.
4454 (secondary_reload_class): Similarly.
4455 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
4456 (PRINT_OPERAND_ADDRESS): Similarly.
4457 * pa.md (various patterns): Similarly.
4458 (small pic lo_sum pattern): Remove.
4460 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
4463 * md.texi (min, max): Document
4465 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
4467 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
4468 TARGET_PARTIAL_REG_DEPENDENCY.
4469 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
4471 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
4473 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
4475 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
4477 * mips.c (mips_make_temp_file): Fix thinko in last change.
4479 2001-02-26 Jason Eckhardt <jle@redhat.com>
4481 * combine.c (known_cond): Do not reverse the condition when
4482 SMAX/UMAX is being considered and the condition is for equality
4485 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
4487 2001-02-26 Philip Blundell <philb@gnu.org>
4489 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
4491 * config/arm/linux-elf.h: Remove historical relics related to
4492 above configurations.
4493 * config/arm/linux-oldld.h: Delete.
4494 * config/arm/linux-elf26.h: Delete.
4496 2001-02-26 Jason Merrill <jason@redhat.com>
4498 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
4500 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
4501 recognize a tentative definition. Lose obsolete code.
4503 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
4504 variables unless necessary, either.
4506 2001-02-25 Richard Henderson <rth@redhat.com>
4508 * ifcvt.c (struct noce_if_info): Add test_bb.
4509 (noce_get_alt_condition): New.
4510 (noce_try_minmax, noce_try_abs): New.
4511 (noce_operand_ok): New.
4512 (noce_process_if_block): Use them.
4513 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
4515 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
4517 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
4520 2001-02-25 Zack Weinberg <zackw@stanford.edu>
4522 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
4523 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
4525 (mips_asm_file_end): Free temp_filename here.
4527 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4529 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
4530 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
4532 * config/i386/i386.md (movstrsi): Handle FAIL case.
4534 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
4536 * cppinit.c (builtin_array): Update.
4537 (init_builtins): Flag builtins to warn if redefined or
4538 undefined. Define __GXX_WEAK as a normal macro.
4539 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
4540 * cpplib.h (NODE_WARN): New flag.
4541 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
4542 Handle __STDC__ as a builtin only on Solaris.
4543 (warn_of_redefinition): Renamed from check_macro_definition.
4544 Reverse sense of test. Always warn if NODE_WARN.
4545 (_cpp_create_definition): Use warn_of_redefinition. Flag
4546 any macro beginning with "__STDC_" to require a mandatory
4547 warning if redefined or undefined.
4549 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4551 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
4552 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
4553 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
4554 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
4555 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
4556 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
4557 Don't define any of:
4558 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
4559 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
4560 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
4561 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
4562 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
4564 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
4565 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
4568 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
4569 Delete now-empty file.
4571 * alpha/vms.h: Define NEED_ATEXIT here...
4572 * alpha/xm-vms.h: ...not here.
4574 * i386/cygwin.h: Don't define PARAMS.
4575 * mips/mips.c: Don't prototype mktemp. Don't define
4576 P_tmpdir. Use make_temp_file to create temporary files.
4577 Don't be clever and delete temporary files early.
4578 * config.gcc: Drop references to deleted files. Don't define
4580 * gcc.texi: Don't mention USE_PROTOTYPES.
4582 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4584 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
4585 (ix86_set_move_mem_attrs_1): Likewise.
4586 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
4587 * config/i386/i386.md (movstrsi): Call it.
4589 2001-02-24 Zack Weinberg <zackw@stanford.edu>
4591 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
4592 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
4593 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
4594 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
4596 (i750a-*-*): Error here if hosting on i750a.
4597 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
4599 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
4600 Remove (empty modulo comments).
4602 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
4603 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
4604 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
4605 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
4606 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
4607 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
4609 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
4610 Remove reference to winnt.h in comment.
4611 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
4613 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4615 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
4616 used to set another biv.
4618 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4620 * tree.h (BLOCK_DEAD): New macro.
4621 (struct tree_block): New flag, dead_flag.
4622 * print-tree.c (print_node, case 'b'): Print missing fields.
4623 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
4624 * function.c (identify_blocks): Enable test for misplaced notes.
4625 (all_blocks): Skip BLOCK_DEAD blocks.
4626 * integrate.c (integrate_decl_tree): Likewise.
4628 * errors.c (internal_error, trim_filename): New functions.
4629 (fancy_abort): Call internal_error.
4630 * errors.h (internal_error, trim_filename): New declarations.
4632 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
4634 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
4636 (EXTRA_CONSTRAINT): Formatting changes.
4638 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
4642 2001-02-23 Per Bothner <per@bothner.com>
4644 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
4645 so they can be called from java/jvspec.c.
4646 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
4648 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
4650 * i386.c (ix86_frame): New structure.
4651 (ix86_compute_frame_size): Kill.
4652 (ix86_compute_frame_layout): New.
4653 (ix86_save_reg): New.
4654 (ix86_can_use_return_insn_p): Use frame layout stuff.
4655 (ix86_expand_prologue): Likewise.
4656 (ix86_expand_epilogue): Likewise.
4657 (ix86_initial_elimination_offset): Likewise.
4658 (ix86_nsaved_regs): Use ix86_save_reg.
4659 (ix86_emit_save_regs): Likewise.
4661 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
4663 * flow.c (find_sub_basic_blocks): New function.
4664 (split_block): Be ready for basic block introduced by CODE_LABEL.
4665 (commit_one_edge_insertion): Call find_sub_basic_block.
4667 * flow.c (make_edges): Add edge from entry for blocks starting with
4668 label having ALTERNATE_NAME
4670 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
4672 * function.c (epilogue_done): Be ready for first basic block not
4673 containing PROLOGUE_END note.
4674 (reposition_prologue_and_epilogue_notes): Avoid placing
4675 PROLOGUE_END note between BASIC_BLOCK.
4677 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
4679 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
4681 2001-02-21 DJ Delorie <dj@redhat.com>
4683 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
4684 check for current_function_has_nonlocal_goto from 1999-11-12.
4686 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4688 * diagnostic.c (trim_filename): No longer static.
4689 * toplev.h (trim_filename): Declare.
4690 * rtl.c (rtl_check_failed_bounds): Call internal_error.
4691 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
4692 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
4693 (rtvec_check_failed_bounds): Likewise.
4694 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
4696 * convert.c (convert_to_integer): Don't do unsigned unless result or
4697 both inputs are unsigned.
4699 * fold-const.c (fold_convert): Don't call size_int_type_wide if
4702 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
4704 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
4706 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
4708 * Makefile.in (resource.o): Add params.h dependence.
4709 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
4710 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
4711 * resource.c: Add dependence on params.h.
4712 (current_live_regs): Fix explanatory comment.
4713 (find_basic_block): Add new parameter to permit limiting search
4715 (mark_target_live_regs): Add new argument to find_basic_block call.
4716 (incr_ticks_for_insn): Likewise.
4718 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
4720 * diagnostic.c (output_to_stream): Rename to
4721 output_buffer_to_stream. Loses the stream parameter.
4722 (init_output_buffer): Set diagnosic_buffer's stream.
4723 (flush_diagnostic_buffer): Adjust.
4724 (default_print_error_function): Likewise.
4725 (finish_diagnostic): Likewise.
4726 (verbatim): Likewise.
4728 * diagnostic.h (struct output_buffer): Add `stream' field.
4729 (output_buffer_attached_stream): New macro.
4731 2001-02-23 Jakub Jelinek <jakub@redhat.com>
4733 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
4734 check if either operand is divisible by C.
4735 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
4736 If type is signed, consider negative numbers as well.
4738 2001-02-22 Richard Henderson <rth@redhat.com>
4740 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
4741 reach .text instead of gp-relative relocs.
4742 * config/ia64/crtend.asm (.init): Likewise.
4744 2001-02-22 Andreas Jaeger <aj@suse.de>
4746 * extend.texi (C++ Attributes): Fix typo.
4748 2001-02-21 David Mosberger <davidm@hpl.hp.com>
4750 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
4751 functions, drop current_function_args_info.words test.
4752 (ia64_compute_frame_size): Mark syscall_linkage functions as
4753 using eight input registers.
4755 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
4756 Bruce Korb <bkorb@gnu.org>
4758 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
4759 * fixinc/README: Document how to convert sed substitutions
4760 to format style c_fix-es.
4761 * fixinc/fixincl.x: regen
4763 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
4765 * gcc.c: Add comment explaining how to add a command-line option.
4766 Add title to specs language comment.
4768 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4770 * gcc.c (cc1_options): Add "-param".
4771 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
4772 (option_map): Likewise.
4773 * toplev.c (display_help): Add entry for "--param".
4774 (independent_decode_option): Fix typographical error.
4776 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
4777 Bernd Schmidt <bernds@redhat.com>
4778 Jan Hubicka <jh@suse.cz>
4780 * i386.c (function_arg_advance): Pass SSE arguments in registers.
4781 (function_arg): Likewise.
4783 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
4785 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
4787 2001-02-21 Kazu Hirata <kazu@hxi.com>
4789 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
4793 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
4795 * flow.c (init_propagate_block_info): Canon address and use single_set
4796 for killing dead memory stores.
4798 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
4800 * Makefile.in (reorg.o): Add params.h dependence.
4801 * params.def: Fix typographical error in comment.
4802 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4803 * params.h: Modify introductory comment.
4804 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
4805 * reorg.c: Add dependence on params.h.
4806 (redundant_insn): Add parameterized throttle for search.
4807 (fill_simple_delay_slots): Add a comment explaining a variable.
4808 Move conditional out of loop, simplifying code.
4809 (fill_eager_delay_slots): Fix typographical error in comment.
4811 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
4813 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
4815 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
4816 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
4818 2001-02-21 Jason Merrill <jason@redhat.com>
4820 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
4821 (struct tree_decl): Add uninlinable bitfield.
4822 * c-decl.c (duplicate_decls): Set it.
4823 * integrate.c (function_cannot_inline_p): Check it.
4825 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
4826 DW_AT_MIPS_linkage_name to abstract methods.
4827 (dwarf2out_abstract_function): Emit class context before calling
4828 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
4829 (gen_subprogram_die): Remove obsolete code.
4830 (gen_member_die): Don't include clones in the member list.
4831 (gen_decl_die): Emit abstract info for clone origin.
4832 * dwarfout.c (output_type): Don't include clones in the member list.
4833 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
4834 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
4835 DECL_ABSTRACT on a function that already has it set.
4837 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
4838 (get_subprogram_die): Pass it in.
4840 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
4842 * flow.c (mark_set_1): Make not_dead unsigned long. For
4843 non-pseudos, use it as a bitmask of the hard regs that
4846 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
4848 * cppfiles.c: Update comments.
4849 (_cpp_read_file): Don't check for NULL filenames any more.
4850 * cppinit.c (cpp_start_read): Don't do canonicalization of
4851 in_fname and out_fname. Use the passed file name exclusively.
4852 (_cpp_handle_options): Don't treat "-" as a command line option,
4853 but as a normal filename.
4854 (_cpp_post_options): Canonicalize in_fname and out_fname.
4855 * cppmain.c (printer_init): Don't check out_fname for NULL.
4856 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
4857 (init_c_lex): Update, and use "" to represent stdin to CPP.
4860 2001-02-20 Will Cohen <wcohen@redhat.com>
4862 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
4863 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
4864 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
4867 2001-02-20 Stan Shebs <shebs@apple.com>
4869 * config/rs6000/rs6000.c (output_cbranch): Output branches
4870 on separate lines instead of using ';' to separate.
4872 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
4874 * cppinit.c (set_lang): Move builtin handling to...
4875 (init_builtins): ...here.
4876 (_cpp_create_reader): Move call to set_lang.
4878 2001-02-20 Mark Mitchell <mark@codesourcery.com>
4880 * stmt.c (expand_return): If an attempt is made to return the
4881 error_mar_node, treat the return like a return without a value.
4883 2001-02-19 Zack Weinberg <zackw@stanford.edu>
4885 * sibcall.c (skip_copy_to_return_value): Call
4886 identify_call_return_value here, and return orig_insn if it
4887 returns zero. Hardret and softret arguments now unnecessary.
4888 (call_ends_block_p): Don't call identify_call_return_value here.
4890 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
4892 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
4893 * ggc.h (ggc_mark_if_gcable): Delete prototype.
4895 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
4897 * pa.c (move_operand): Accept code to load the address of a
4898 symbol out of the DLT as a valid move operand.
4899 (print_operand, case 'A'): New to handle generating a DLT
4900 reference for a LO_SUM expression.
4901 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
4902 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
4904 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
4906 * README, cpp.texi, gcc.texi, version.c: Update version number to
4908 * cpp.1, gcov.1, gcc.1: Regenerate.
4910 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
4912 * cppfiles.c (stack_include_file): Generate dependencies
4913 here, and manage include_count here too.
4914 (PRINT_THIS_DEP): Delete.
4915 (_cpp_execute_include): Do not generate dependencies here,
4916 apart from the case of a missing header. Do not manage
4918 (_cpp_read_file): Leave dependency generation to
4921 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
4923 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
4924 target_cpu_default. Remove dead assignment to
4927 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
4929 * regclass.c (contains_reg_of_mode): Make global.
4930 (init_reg_sets): Remove contains_reg_of_mode; take into account
4931 CLASS_MAX_NREGS when looking for the proper mode.
4932 (dump_regclass): Dump only classes considered for the pseudo.
4933 (regclass): Use contains_reg_of_mode.
4935 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
4937 * gcc.c (do_spec_1): 'n' for printing notices.
4938 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
4940 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
4942 * reg-stack.c (next_flags_user): Use current_block->end
4943 (swap_rtx_condition): Look for next user if flags don't die;
4944 give up on CALL_INSNs; use current_block->end.
4946 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4948 * sibcall.c (call_ends_block_p): New function.
4949 (optimize_sibling_and_tail_recursive_call): Use it.
4951 2001-02-18 Kazu Hirata <kazu@hxi.com>
4953 * config/h8300/h8300.md: Update copyright.
4954 (andsi3): Do not output an extra newline character.
4956 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4958 * toplev.c (note_deferral_of_defined_inlined_function): Argument
4959 FNDECL may be unused.
4961 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
4962 follow jumps after first run.
4963 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
4964 it doesn't change any jumps.
4966 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
4968 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
4969 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
4970 (mostlyclean): Corresponding changes.
4971 * rtlanal.c (hard-reg-set.h): Include.
4972 (rtx_unstable_p): Do not treat the argument pointer specially
4973 if it is not a fixed register.
4974 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
4976 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4978 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
4979 against last real insn in basic block.
4980 Rework to avoid gotos.
4982 * Makefile.in (gcse.o): Now includes ggc.h.
4983 * gcse.c: Include ggc.h.
4984 (want_to_gcse_p): Verify expression can be in SET as valid insn.
4985 (try_replace_reg): Remove warning of uninitialize variable.
4986 (process_insert_insn): Call invalid_insn_p to validate insn.
4987 * recog.c (insn_invalid_p): Now global.
4988 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
4989 * recog.h (insn_invalid_p): New declaration.
4991 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
4993 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
4994 assignments from FP constants since 'Y' output code can't handle it.
4995 (eligible_for_sibcall_delay): Likewise.
4997 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
4998 Call fancy_abort directly, passing args.
4999 (print_rtl_and_abort): Now a macro, like fancy_abort.
5001 * final.c (output_operand_lossage): Use internal_error, not error.
5003 2001-02-18 Shane Nay <shane@agendacomputing.com>
5005 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
5006 structure shift insns.
5008 2001-02-18 Mark Mitchell <mark@codesourcery.com>
5010 * invoke.texi (-fsquangle): Remove documentation.
5011 (-fname-mangling-version): Likewise.
5013 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
5015 * optabs.c (expand_abs): Remove reference to
5016 HAVE_contitional_arithmetic.
5017 * combine.c (simplify_set): Likewise.
5019 2001-02-18 Richard Henderson <rth@redhat.com>
5021 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
5024 2001-02-18 Richard Henderson <rth@redhat.com>
5026 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
5028 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
5030 * reload1.c (reload_cse_simplify_set): Fix typo.
5032 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5034 * diagnostic.c (_fatal_insn): Decrement errorcount.
5036 * invoke.texi (-I): Add note avoiding use for system header files.
5038 * rtl.h (add_clobbers): Remove duplicate declaration.
5039 * recog.h (added_clobbers_hard_reg_p): New declaration.
5040 * genemit.c (struct clobber_pat): New field has_hard_reg.
5041 (gen_insn): Record if added clobbers clobber hard reg.
5042 (gen_split): Avoid unused warning if number of operands is 0.
5043 (output_added_clobbers_hard_reg_p): New function.
5046 2001-02-18 Alan Modra <alan@linuxcare.com.au>
5048 * pa.c (hppa_expand_prologue): Simplify code storing return
5049 pointer. For large (>=8k) frames with a post_store, adjust stack
5050 pointer by 8k-64 first rather than by 64. When testing with
5051 VAL_14_BITS_P, always use the actual value rather than the value
5052 negated. Add blockage to prevent scheduling of spills before
5053 stack frame has been created.
5054 (hppa_expand_epilogue): Simplify code loading return pointer.
5055 Allow a slightly larger range for merge_sp_adjust_with_load case.
5056 When testing with VAL_14_BITS_P, always use the actual value.
5058 * pa.c (pa_adjust_insn_length): Check that block move
5059 pattern is a set before looking at operands.
5061 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5063 * fold-const.c (fold_binary_op_with_conditional_arg): New
5064 function, split out from ...
5066 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
5067 conditional arms that throw exceptions.
5069 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
5072 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5074 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
5075 define HAVE_DECL_* to 1 to mask potential backup declarations.
5076 * configure: Regenerated.
5078 2001-02-17 Mark Mitchell <mark@codesourcery.com>
5080 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
5082 2001-02-17 Richard Henderson <rth@redhat.com>
5084 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
5085 when replacing a memory load with a register.
5087 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5088 Jan Hubicka <jh@suse.cz>
5090 * recog.c (validate_replace_src_1): New.
5091 (validate_replace_src_data): Likewise.
5092 (validate_replace_src): Use note_uses.
5093 * rtl.h (note_uses): Declare.
5094 * rtlanal.c (note_uses): New.
5096 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
5098 * reg-stack.c (stack_def): Make field reg unsigned.
5099 (remove_regno_note): Unsignetize parameter.
5101 2001-02-16 Jes Sorensen <jes@linuxcare.com>
5103 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
5104 shladd_operand() call.
5106 2001-02-16 Bruce Korb <bkorb@gnu.org>
5107 Rodney Brown <RodneyBrown@mynd.com>
5109 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
5110 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
5111 machine restrictions
5112 * fixinc/fixincl.x: regen
5114 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5116 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
5118 (hash_scan_insn): Clean up calls to hash_scan_set.
5119 (compute_kill_rd): REGNO now unsigned.
5120 (try_replace_reg): Rework to use simplify_replace_rtx.
5121 (cprop_jump, cprop_cc0_jump): Likewise.
5122 (cprop_insn): Call find_reg_equal_equiv_note.
5123 Reflect changes to cprop_jump and cprop_cc0_jump.
5125 * recog.c (validate_replace_src): Replace in operands of
5126 ZERO_EXTRACT in SET_DEST.
5128 * cse.c (new_label_ref): New variable.
5129 (insert): Set it instead of recorded_label_ref.
5130 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
5131 CODE_LABEL for this function, and not already in REG_LABEL note.
5133 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
5135 * resource.c (mark_referenced_resources): Fix typo in introductory
5137 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
5140 2001-02-16 Jason Merrill <jason@redhat.com>
5142 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
5144 (gen_subprogram_die): Don't abort on seeing a second definition if
5145 the previous one was abstract. Don't replace an abstract instance
5146 in the lookup table.
5148 * dwarf2out.c (dwarf2out_abstract_function): Rename from
5149 gen_abstract_function.
5150 * dwarf2out.h: Declare it.
5151 * toplev.c (note_outlining_of_inline_function): New fn.
5152 * toplev.h: Declare it.
5153 * integrate.c (output_inline_function): Call it.
5154 * c-decl.c (duplicate_decls): Call it when redefining an extern
5155 inline. Don't inline the new defn.
5157 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
5159 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5161 * .gdbinit: Rename to gdbinit.in.
5162 * gdbinit.in: New file,
5163 * configure.in: Generate .gdbinit from gdbinit.in.
5164 * configure: Regenerated.
5165 * Makefile.in (distclean): Always remove .gdbinit.
5167 2001-02-16 Jakub Jelinek <jakub@redhat.com>
5169 * objc/objc-act.c (start_class): Register implemented_classes with
5172 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
5174 * cppfiles.c (_cpp_make_system_header): Generate a file
5177 2001-02-15 Jim Meyering <meyering@lucent.com>
5179 * Makefile.in (install-common): Don't depend on installdirs here.
5180 Instead, make each of the lang.install-common targets (e.g.,
5181 c++.install-common in cp/Make-lang.in) depend on it.
5182 (install-driver): Depend on installdirs.
5184 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5186 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
5188 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
5191 2001-02-15 Mark Mitchell <mark@codesourcery.com>
5193 * invoke.texi (--param): Document.
5195 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
5197 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
5199 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
5201 * i386.md (extendsfdf2_2): Fix constraints.
5203 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
5205 * i386.md (fop_df_3 splitter): Fix operand number.
5207 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
5209 * invoke.texi (-mreg-alloc): Nuke.
5210 * i386.c (ix86_reg_alloc_order, regs_allocated,
5211 order_regs_for_local_alloc): Nuke.
5212 (override_options): Kill reg_alloc code.
5213 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
5214 (REG_ALLOC_ORDER): SSE goes before I387.
5215 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
5216 (ix86_reg_alloc_order): Likewise.
5217 * i386-protos.h (ix86_reg_alloc_order): Kill.
5219 2001-02-14 Richard Henderson <rth@redhat.com>
5221 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
5223 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
5225 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
5227 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
5229 * i386-protos.h (ix86_memory_move_cost): Move offline.
5230 * i386.c (ix86_register_move_cost): Compute properly cost of
5231 SSE, MMX and i387 instructions.
5232 (*_cost): Add costs of SSE/MMX moves.
5233 (ix86_memory_move_cost): Move offline from ....; Likewise.
5234 * i386.h (MEMORY_MOVE_COST): .... here;
5235 (struct processor costs): Add new fields to represent costs
5238 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
5240 * regclass.c (init_reg_sets_1): Reinstall the optimization of
5241 move_cost together with Matt Kraai's fix.
5243 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5245 * Makefile.in (OBJS): Add params.o.
5247 2001-02-14 Richard Henderson <rth@redhat.com>
5248 DJ Delorie <dj@redhat.com>
5250 * jump.c (jump_optimize_1): When we delete a conditional jump
5251 preceeding a non-conditional jump to effectively the same place,
5252 make sure that the combined jump skips any clobber insns between
5255 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
5257 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
5259 2001-02-14 Mark Mitchell <mark@codesourcery.com>
5261 * Makefile.in (toplev.o): Depend on params.h.
5262 (intergate.o): Likewise.
5263 (params.o): New target.
5264 * flags.h (inline_max_insns): Remove.
5265 * integrate.c: Include params.h.
5266 Use MAX_INLINE_INSNS instead of inline_max_insns.
5267 * params.c: New file.
5268 * params.h: Likewise.
5269 * params.def: Likewise.
5270 * toplev.c: Include params.h.
5271 (lang_independent_params): New variable.
5272 (decode_f_option): Use the param machinery instead of setting
5274 (independent_decode_option): Handle "--param name=value".
5275 (main): Register language-independent parameters.
5277 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
5279 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
5281 2001-02-14 Richard Henderson <rth@redhat.com>
5283 * regclass.c (init_reg_sets_1): Revert last two changes.
5285 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5287 * stor-layout.c (is_pending_size, put_pending_size): New functions.
5288 (variable_size): Call put_pending_size.
5289 * tree.h (is_pending_size, put_pending_size): Add prototypes.
5290 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
5291 sizes list, put newly created SAVE_EXPR there as well.
5293 2001-02-14 Jakub Jelinek <jakub@redhat.com>
5295 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
5296 (errata_find_address_regs): load_group has only 2 entries.
5297 (errata_emit_nops): Likewise. shladd is not problematic.
5298 Clear last_group if nop was emitted.
5299 (fixup_errata): load_group has only 2 entries.
5302 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
5304 * c-lex.c (lex_number): Only warn traditionally for U suffix
5305 outside system macros.
5306 * cppexp.c (parse_number): Similarly.
5307 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
5308 * cppmacro.c (struct cpp_macro): New member node.
5309 (parse_args): Only warn about missing rest args if not
5311 (funlike_invocation_p): Similarly for uninvoked funlike macros.
5312 (cpp_sys_objmacro_p): New.
5313 (_cpp_create_definition): Store the node with the macro defn.
5314 Remember if the macro is defined in a system header.
5316 2001-02-13 DJ Delorie <dj@redhat.com>
5318 * configure.in (check_languages): determine languages to check
5319 * Makefile.in (check-c++): alias for check-g++
5320 (check-f77): alias for check-g77
5321 (CHECK_TARGETS): depend on configured languages
5323 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
5325 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5326 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5327 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5328 (sqrtextendsfdf2): Disable for SSE2.
5330 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
5332 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
5333 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
5334 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
5335 (sqrtextendsfdf2): Disable for SSE2.
5337 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
5339 * i386.md (movsfcc_1): Support integer cmove instruction.
5340 (movdfcc_1): Likewise; new splitter.
5342 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
5344 * i386.c (output_fp_compare): Support SSE.
5345 (prepare_fp_compare_args): SSE comparisons always support memory.
5346 * i386.h (TARGET_CMOVE): SSE imply cmove.
5347 * i386.md (cmp?f2): Enable for SSE too.
5348 (cmpfp_i*): Support SSE.
5350 (cmpfp_i_sse_only): New.
5351 (s*, b* fp expanters): Enable for SSE too.
5352 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
5355 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
5357 * regclass.c (init_reg_sets_1): Silence warning.
5359 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
5361 * i386.md (sqrt?f2): Change to expander.
5362 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
5364 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5366 * rtlanal.c (find_reg_equal_equiv_note): New function.
5367 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
5368 (simplify_gen_relational, simplify_replace_rtx): Likewise.
5369 * rtl.h: Add declarations for above functions.
5371 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
5373 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
5375 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
5376 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
5377 * flow.c (mark_regs_live_at_end): Likewise.
5378 (calculate_global_regs_live): Likewise.
5379 * gcse.c (compute_hash_table): Likewise.
5380 (compute_kill_rd): Likewise.
5381 * resource.c (mark_target_live_regs): Likewise.
5382 * rtl.h (INVALID_REGNUM): New macro.
5384 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
5386 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
5388 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
5390 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
5393 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
5395 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
5397 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
5398 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
5399 (fop_sf_1_sse, fop_df_1_sse): New patterns
5400 (fop_*): Disable float_extend and float patterns for SSE compilation.
5401 * i386.c (output_387_binary_op): Support SSE.
5403 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
5405 * i386.md (dummy_extendsfdf2): Support SSE2
5406 (extendsfdf2): Enable if 80387 or SSE2.
5407 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
5408 and no MIX_I387_SSE2
5409 (extendsfdf2_1_sse_only): New pattern.
5410 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
5412 (truncdfsf2_1): Support SSE.
5413 (truncdfsf2_2): Support SSE.
5414 (truncdfsf2_2_1_sse): New pattern.
5415 (fixtruncsfsi2): Always use SSE if available.
5416 (fix_truncsfsi_sse): New pattern.
5417 (fix_truncdfsi_sse): New pattern.
5418 (floatsis?f2): Support SSE.
5419 (floatsidf2_i387): New pattern.
5420 (floatsidf2_sse): Likewise.
5422 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5424 * configure.in: Use "have_gnat" variable, not "gnat".
5425 * configure: Regenerated.
5427 * config/sparc/sparc.c (function_value): Treat all non-record
5428 aggregate types like used to treat UNION_TYPE.
5430 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
5432 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
5433 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
5435 (MASK_MIX_SSE_I387): New.
5436 (TARGET_SSE): SSE2 imply SSE.
5437 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
5438 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
5439 (enum reg_class): Add new classes.
5440 (REG_CLASS_NAMES): Likewise.
5441 (REG_CLASS_CONTENTS): Likewise.
5442 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
5443 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
5444 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
5445 (CLASS_MAX_NREGS): Use new macros.
5446 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
5447 * i386.md (pushsf, movsf): Support SSE.
5448 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
5449 splitters to use ANY_FP_REGNO_P.
5450 (movdf_nointeger, movdf_integer): Likewise.
5452 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5454 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
5455 (try_combine): Use it.
5457 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
5459 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
5460 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
5461 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
5462 (REGISTER_MOVE_COST): Likewise.
5463 * i386-protos.h (ix86_secondary_memory_needed,
5464 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
5465 * i386.c (ix86_secondary_memory_needed,
5466 ix86_preferred_reload_class, ix86_register_move_cost): New function.
5468 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
5470 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
5471 (HARD_REGNO_MODE_OK): Move offline to ....
5472 * i386.c (ix86_hard_regno_mode_ok) ... here;
5473 refuse all incorrect modes.
5474 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
5476 2001-02-13 Richard Henderson <rth@redhat.com>
5478 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
5479 entire operator; replicate that and match_dup the operands.
5480 (cmp_ccx_arith_op_set): Likewise.
5481 (cmp_cc_arith_op_not_set): Likewise.
5482 (cmp_ccx_arith_op_not_set): Likewise.
5484 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
5486 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
5488 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5490 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
5491 (TARGET_NO_BITFIELD_WORD): New macro.
5492 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
5493 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
5495 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5497 * cselib.c: New file, from simplify-rtx.c.
5498 * simplify-rtx.c: Remove cselib parts.
5499 * Makefile.in: Add cselib.o.
5501 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
5503 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
5504 (setup_incoming_varargs): Remove warning.
5506 * config/rs6000/rs6000.c (validate_condition_mode): When
5507 flag_fast_math, allow floating-point conditionals to be reversed.
5508 (rs6000_generate_compare): When flag_fast_math, don't generate
5509 cror operations for FP conditionals.
5511 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
5513 (ASM_SPEC): Likewise.
5514 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
5515 (CC1_SPEC): Likewise.
5516 (LINK_TARGET_SPEC): Likewise.
5517 (CPP_ENDIAN_SPEC): Likewise.
5518 * Makefile.in (check-consistency): New target.
5520 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
5522 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
5523 "return type defaults" warning for functions with return type
5525 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
5526 function declarations by default rather than only when pedantic.
5528 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
5530 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
5533 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5535 * extend.texi (Deprecated): Deprecate new initializer lists.
5537 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
5539 * mkdeps.c (deps_add_default_target): Robustify. Add
5540 basename component only.
5541 * cpp.texi (-M): Describe how default target is generated.
5542 * invoke.texi (-M): Likewise.
5544 2001-02-12 Kazu Hirata <kazu@hxi.com>
5546 * toplev.c (push_float_handler): Remove.
5547 (pop_float_handler): Remove.
5548 * toplev.h: Remove prototypes for the above functions.
5550 2001-02-12 Jakub Jelinek <jakub@redhat.com>
5552 * c-common.c (constant_fits_type_p): New function.
5553 (convert_and_check): Use it.
5555 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5557 * Makefile.in (GXX_ABI_FLAG): Don't define.
5558 * configure.in (--enable-new-gxx-abi): Remove option.
5559 * config.in: Regenerated.
5560 * configure: Likewise.
5562 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
5564 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
5566 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
5567 regular basic block, and arrange for all edges into it to switch
5570 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5572 * Makefile.in (distclean): Do not remove .gdbinit.
5574 2001-02-11 Mark Mitchell <mark@codesourcery.com>
5576 * Makefile.in (gcc.o): Fix typos.
5577 (protize.o): Likewise.
5578 (unprotoize.o): Likewise.
5580 2001-02-11 Richard Henderson <rth@redhat.com>
5582 * tree.c (build1): Check for null operand in last change.
5584 2001-02-11 Richard Henderson <rth@redhat.com>
5586 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
5587 (fold): Don't assume a constant isn't foldable.
5588 * tree.c (build): Set TREE_CONSTANT for an expression with no
5589 side-effects and constant operands.
5592 2001-02-10 Richard Henderson <rth@redhat.com>
5594 * jump.c (squeeze_notes): Revert 2000-05-12 change.
5596 2001-02-10 Anthony Green <green@redhat.com>
5598 * cpp.texi (Standard Predefined): Add documentation for
5601 * c-common.c (combine_strings): Improve warning message.
5603 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
5605 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
5607 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
5609 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
5611 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
5614 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
5616 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
5619 2001-02-09 Nick Clifton <nickc@redhat.com>
5621 * config/arm/arm.md: Change output contraint on post inc
5622 load/store multiple patterns to be a read/write contraint.
5624 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
5626 * gcc.c (cpp_options): Delete .d files on error. Don't delete
5627 .o files when using the -M options.
5629 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5630 David Edelsohn <edelsohn@gnu.org>
5632 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
5633 handle DImode constants. Use one TOC entry for SImode and smaller
5634 constants, aligned properly.
5636 2001-02-08 Jason Merrill <jason@redhat.com>
5638 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
5639 about the SP adjustment for saving the static chain pointer.
5640 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
5641 offset when setting a temporary CFA register.
5643 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
5645 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
5646 powerpc-*-chorusos* .
5647 * config/rs6000/chorus.h : New file.
5648 * config/i386/chorus.h : New file.
5649 * config/sparc/chorus.h : New file.
5650 * config/sparc/t-chorus-elf : New file.
5652 2001-02-08 David Edelsohn <edelsohn@gnu.org>
5654 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
5655 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
5656 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
5657 (__WCHAR_TYPE__): Correct macro name.
5659 2001-02-08 Richard Henderson <rth@redhat.com>
5661 * config/i386/i386.c (ix86_frame_pointer_required): New.
5662 (ix86_setup_frame_addresses): New.
5663 (struct machine_funciton): Add accesses_prev_frame.
5664 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
5665 ix86_frame_pointer_required.
5666 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
5667 (SETUP_FRAME_ADDRESSES): New.
5668 * config/i386/i386-protos.h: Update.
5669 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
5670 from FRAME_POINTER_REQUIRED.
5671 * config/i386/svr3gas.h: Likewise.
5672 * config/i386/sysv3.h: Likewise.
5673 * config/i386/v3gas.h: Likewise.
5675 2001-02-08 Richard Henderson <rth@redhat.com>
5677 * config/sparc/sparc.c (function_arg_record_value_3): Fix
5678 calculation of the number of integer registers required.
5679 (function_arg_record_value): Likewise.
5681 2001-02-08 Jason Merrill <jason@redhat.com>
5683 * diagnostic.c (internal_error): Say "confused" after 1 error, not
5684 two. Print file and line with "confused" message.
5686 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
5688 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5690 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
5692 2001-02-08 Bernd Schmidt <bernds@redhat.com>
5694 * final.c (cleanup_subreg_operands): The address of a MEM can
5697 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
5700 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
5702 * gcc.texi (Incompatibilities): Update documentation of
5703 preprocessing numbers.
5705 2001-02-07 Jakub Jelinek <jakub@redhat.com>
5707 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
5709 2001-02-07 Mark Mitchell <mark@codesourcery.com>
5711 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
5713 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
5714 * gcc.c (struct compiler): Add cpp_spec field.
5715 (input_file_compiler): New variable.
5716 (do_spec_1): Allow a particular compiler to handle `%C'
5718 (main): Store the current compiler in input_file_compiler.
5719 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
5721 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
5723 * cpphash.h (struct spec_nodes): Add n_true and n_false.
5724 * cppinit.c (cpp_create_reader): Initialize them.
5725 (append_include_chain): cxx_aware arg might be unused.
5726 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
5727 keywords and give them their phase 7 meaning. Pedwarn about
5728 this unless '__bool_true_false_are_defined' is defined.
5730 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5732 * lcm.c (optimize_mode_switching): Emit mode_set before the
5733 JUMP_INSN of an abnormal edge.
5735 2001-02-07 Bernd Schmidt <bernds@redhat.com>
5737 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
5738 a scheduling barrier at the end.
5740 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
5742 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
5744 * config/sh/sh.md (reload_outsf): Removed.
5745 (movsf_ie): Introduce constraints for FPUL loads and stores.
5746 (reload_insf): Broaden the output constraint.
5748 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
5750 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5751 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
5753 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
5755 * final.c: Revert my previous changes.
5756 * output.h: Make profile_label_no extern.
5757 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
5758 for generating label.
5760 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
5762 * config/i386/djgpp.h: Add comments about standard paths.
5763 (MD_EXEC_PREFIX): Undefine before defining.
5764 (MD_STARTFILE_PREFIX): New.
5766 2001-01-30 Bruce Korb <bkorb@gnu.org>
5768 fixinc/fixincl.c(process): Emit error message only if appropriate :)
5769 (load_file): do not rely on load_file_data() to close file pointer
5770 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
5771 fixinc/inclhack.def(irix_limits_const): add test_text
5773 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5775 * cppexp.c (parse_defined): Improve diagnostics for invalid
5778 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
5780 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
5782 2001-02-06 Mark Mitchell <mark@codesourcery.com>
5784 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
5785 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
5786 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
5787 (rs6000_output_symbol_ref): New function.
5788 (output_toc): Use VTABLE_NAME_P.
5790 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5792 * print-tree.c (print_node, case PARM_DECL):
5793 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
5795 * stor-layout.c (reference_types_internal): New variable.
5796 (internal_reference_types): New function.
5797 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
5798 * tree.h (internal_reference_types): New declaration.
5800 * cse.c (find_best_addr): Fix typo in computing cost.
5802 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5804 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
5805 and this is the sum of a pointer and a constant, we know the result
5807 (num_sign_bit_copies, case PLUS): Likewise.
5808 * explow.c (convert_memory_address): Remove opposite SUBREG.
5809 * function.c (instantiate_new_reg): New function (from common code).
5810 (instantiate_virtual_regs_1): Call it.
5811 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
5812 if pointers sign- or zero-extend.
5813 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
5814 If pointers extend unsigned, use inside of SUBREG.
5815 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
5817 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
5819 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
5820 subdir of gcc_gxx_include_dir.
5821 (gcc_gxx_target_include_dir): Remove.
5823 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
5825 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
5826 (dwarf2out_frame_debug_expr): Revise introductory comments to add
5827 a high-level description.
5829 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
5831 * final.c: Move the declaration of profile_label_no to ...
5832 * output.h: ... here.
5833 * function.c (expand_function_start): Call PROFILE_HOOK.
5834 * config/rs6000/aix.h: Define PROFILE_HOOK.
5835 * config/rs6000/rs6000-protos.h: output_profile_hook new.
5836 * config/rs6000/rs6000.c (output_profile_hook): Define.
5837 (output_prolog): Do nothing for ABI_AIX as it is taken care by
5838 output_profile_hook.
5839 tm.texi : Explain new macro PROFILE_HOOK.
5841 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
5843 * extend.texi (Extended Asm): Do not say that semicolon is always
5844 a valid line-breaking character for GNU assemblers. Use
5845 newline-tab as the most commonly supported syntax. Use
5846 newline-tab rather than semicolon in multi-insn examples.
5848 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5850 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
5852 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5853 David Edelsohn <edelsohn@gnu.org>
5855 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
5856 code for AIX, even without flag_pic.
5858 2001-02-05 Jakub Jelinek <jakub@redhat.com>
5860 * c-typeck.c (common_type): push and pop binding level around
5861 calling common_type on function parameters.
5863 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
5865 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
5867 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5869 * config/mips/mips.c (override_options): Fix typo in last change.
5870 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
5871 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
5873 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
5875 * invoke.texi (-fdump-class-layout): Document.
5876 (-fdump-translation-unit): Use `=' as filename separator.
5878 2001-02-05 Mark Mitchell <mark@codesourcery.com>
5880 * Makefile.in (s-mlib): Don't build multilibs if
5882 (DRIVER_DEFINES): Adjust accordingly.
5884 (protoize.o): Likewise.
5885 (unprotoize.o): Likewise.
5886 * configure.in: Recognize --enable-multilib.
5888 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5890 * Makefile.in (DRIVER_DEFINES): Fix quoting.
5892 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
5893 * configure.in: Remove --enable-libstdcxx_v3 support.
5894 * configure: Regenerated.
5896 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5898 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
5899 Call abort instead of fatal.
5900 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
5901 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
5902 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
5903 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
5904 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
5905 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
5907 * diagnostic.h (set_internal_error_function): Renamed.
5908 * toplev.h (internal_error): Renamed from fatal.
5909 (pfatal_with_name): Deleted.
5910 (fatal_io_error): Now has printf-style arguments.
5911 * diagnostic.c (pfatal_with_name): Deleted.
5912 (fatal_io_error): Rework to have args in printf-style.
5913 (set_internal_error_function): Renamed from set_fatal_function.
5914 (internal_error): Renamed from fatal.
5915 (error_recursion, fancy_abort): Call internal_error instead of fatal.
5916 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
5917 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
5918 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
5919 * flow.c (verify_flow_info): Likewise.
5920 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
5921 * config/mips/mips.c (save_restore_insns): Likewise.
5923 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
5924 * flow.c (verify_flow_info): Likewise.
5925 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
5926 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
5927 (avr_normalize_condition): Likewise.
5928 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
5929 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
5930 (limit_reload_class, double_reg_to_memory): Likewise.
5931 (print_operand_address, emit_1600_code_shift): Likewise.
5932 (gen_tst_reg, gen_compare_reg): Likewise.
5933 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
5934 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
5936 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
5938 * c-parse.in (methoddef): Call fatal_error instead of fatal.
5939 * objc/objc-act.c (build_ivar_chain): Likewise.
5940 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
5942 * graph.c (clean_graph_dump_file): Likewise.
5943 * profile.c (init_branch_prob): Likewise.
5944 * objc/objc-act.c (objc_init): Likewise.
5946 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
5947 * config/avr/avr.c (avr_override_options): Likewise.
5948 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
5949 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
5950 * config/h8300/h8300.c (h8300_init_once): Likewise.
5951 * config/mips/mips.c (override_options): Likewise.
5952 * config/i386/i386.c (override_options): Likewise, rework.
5953 * config/m68k/m68k.c (override_options): Likewise.
5955 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
5957 * config/mips/mips.c (print_operand): Likewise.
5958 * hash.c (hash_allocate): Don't check for failure returns from
5959 obstack functions that can't fail.
5960 (hash_table_init_n, hash_table_init): Likewise; also now return void.
5961 * hash.h (hash_table_init_n, hash_table_init): Now return void.
5962 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
5963 (get_object_reference): Likewise.
5965 2001-02-04 Nick Clifton <nickc@redhat.com>
5967 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
5968 StrongARM1110, 10TDMI, and 1020T.
5970 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5972 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
5974 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
5976 * config/sh/sh.md (movdf load split): Pass register number to
5977 FP_OR_XD_REGISTER_P.
5979 2001-02-04 Mark Mitchell <mark@codesourcery.com>
5981 * cppinit.c (BC): New macro.
5982 (builtin_array): Add __GXX_WEAK__.
5983 * cpplib.h (builtin_type): Add BT_WEAK.
5984 * cppmacro.c (builtin_macro): Handle BT_WEAK.
5985 * defaults.h (SUPPORTS_ONE_ONLY): Define.
5986 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
5988 2001-02-03 Jakub Jelinek <jakub@redhat.com>
5990 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
5992 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5994 * cpphash.h: Rename _ALIGN POOL_ALIGN.
5995 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
5997 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
5999 * cpphash.h: Rename ALIGN _ALIGN.
6000 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
6002 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
6004 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
6005 compilation environment.
6006 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
6007 control over location of cygwin includes and libs.
6009 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6011 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
6013 2001-02-02 lars brinkhoff <lars@nocrew.org>
6015 * md.texi (Standard Names): remove reference to spur.md.
6017 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
6019 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
6020 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
6021 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
6022 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
6023 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
6025 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6027 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
6028 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
6029 number before reload.
6030 (c4x_adjust_cost): Return zero before reload.
6031 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
6032 split before reload.
6034 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6036 * c4x.c (c4x_hard_regno_rename_ok): New.
6037 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
6038 * c4x.h (HARD_REGNO_RENAME_OK): Define.
6040 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6042 * diagnostic.h: Add missing "extern" in all declarations.
6044 2001-02-02 Alex Samuel <samuel@codesourcery.com>
6046 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
6047 as for gcc_gxx_include_dir.
6049 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
6051 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
6053 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6055 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
6056 label before alignment to be used as the braf base address.
6057 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
6059 (casesi_jump_2): Require at least TARGET_SH2.
6061 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
6062 truncation to 32-bit doubles on -m3e and -m4-single-only.
6064 2001-02-02 Mark Mitchell <mark@codesourcery.com>
6066 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
6067 the default when building a shared object.
6068 (init_spec): Use it.
6069 * testsuite/lib/g++.exp: Include the directory where libgcc
6070 is located to the LD_LIBRARY_PATH list.
6071 * invoke.texi (-shared-libgcc): Document the cases in which
6072 GCC defaults to using the shared libgcc.
6074 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
6076 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
6077 unsigned is wide enough.
6079 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
6080 (si_to_float): Likewise.
6081 (float_to_si, float_to_usi): Use BITS_PER_SI.
6083 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6085 * dwarf2out.c: Added explanation of abbreviations.
6086 (def_cfa_1): Added comments listing DWARF2 instructions.
6087 (cfa_temp_reg): Removed in favor of cfa_temp.
6088 (cfa_temp_value): Removed in favor of cfa_temp.
6089 (cfa_temp): New global variable.
6090 (dwarf2out_frame_debug_expr): Added extensive introductory
6091 comments explaining the function's transformations. Revised to
6092 use cfa_temp. Added some rtx checking. Generalize IOR case.
6093 (dwarf2out_frame_debug): Revised to use cfa_temp.
6094 (output_aranges): Cast as "unsigned" to avoid warning.
6095 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
6096 explain which instructions must be marked.
6098 2001-02-01 Richard Henderson <rth@redhat.com>
6100 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
6103 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
6105 * config/sh/crt1.asm (main_k): Modified so that start calls
6106 ___setup_argv_and_call_main.
6108 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
6110 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
6111 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
6112 and AVOID_LPASTE is cleared on meeting an unescaped newline.
6113 * cppmacro.c (builtin_macro): Set builtin flags here.
6114 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
6115 (replace_args): Clarify intent.
6116 (cpp_get_token): Macro expansion tokens get the saved flags.
6118 * cppmain.c (scan_buffer): Remove now-redundant print.printed
6121 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
6123 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
6126 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6128 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
6129 returns Pmode pseudo, but we need ptr_mode.
6130 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
6131 Remove bogus conversions; use HOST_WIDE_INT for size.
6132 Don't use TARGET if wrong mode.
6134 * config/i386/i386.c (ix86_compute_frame_size): Allow
6135 stack_alignment_needed to be non-default even if size is zero.
6137 2001-01-31 Alan Modra <alan@linuxcare.com.au>
6139 * pa.c (hppa_init_pic_save): New function.
6140 * pa.h (hppa_init_pic_save): Declare.
6141 * pa.md (call, call_value, sibcall, sibcall_value): Use
6142 the above instead of duplicated code.
6144 * pa.c (hppa_encode_label): Correct size of alloca buffer
6145 so we don't overrun it. Correct leading `*' case.
6146 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
6147 need to handle `*@'.
6148 (FUNCTION_NAME_P): Likewise.
6150 2001-01-31 Richard Henderson <rth@redhat.com>
6152 * config.gcc (alpha-osf5): Use float-i128.h.
6154 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
6155 * config/float-i32.h: Likewise.
6156 * config/float-i64.h: Likewise.
6157 * config/float-sh.h: Likewise.
6158 * config/float-sparc.h: Likewise.
6160 2001-01-31 DJ Delorie <dj@redhat.com>
6162 * expmed.c (extract_bit_field): allow non-integral modes if we
6163 want to extract a whole register from itself.
6165 2001-01-31 Jakub Jelinek <jakub@redhat.com>
6167 * c-typeck.c (set_init_index): If first is equal to last, assume as
6168 if it was not a range at all.
6170 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6172 * config/fp-bit.c: Include tm.h.
6173 (float_to_si): Don't assume SImode is 32-bits wide.
6174 (float_to_usi): Likewise.
6176 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
6178 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
6180 (typename): Call pending_xref_error after parsing typed_typespecs.
6181 * c-decl.c (lookup_tag): Give error immediately rather than
6182 leaving it pending if the tag of the wrong type is in the same
6184 (xref_tag): Don't pedwarn for forward declarations of enum types
6186 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
6189 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6191 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
6193 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6195 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
6196 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
6198 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
6200 * cpphash.h (struct cpp_reader): New saved_flags.
6201 * cppmacro.c (cpp_get_token): Use saved_flags to remember
6202 to avoid a paste after a pasted token.
6204 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
6206 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
6207 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
6208 Wtype_MIN instead of LONG_MIN.
6210 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6212 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
6214 * fixinc/fixincl.x: Regenerated.
6215 * fixinc/inclhack.def (irix_limits_const): New definition to
6216 convert "const" to "__const" in limits.h.
6218 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
6220 * fixinc/genfixes (AG): Fix "autogen4" thinko.
6222 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6224 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
6225 when register dies in the insn.
6227 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6229 * diagnostic.c (fatal): Fix word wrap.
6231 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
6233 * combine.c (try_combine): Fix SUBREG setting for
6234 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
6236 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6238 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
6241 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
6243 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
6245 * toplev.c (decode_W_option): Update warn_larger_than
6246 unconditionally for each processed switch.
6248 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
6250 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
6252 (hppa_expand_prologue): Delete code to save pic offset table register
6253 in the function prologue.
6254 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
6255 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
6256 table register at the beginning of the function after the prologue.
6258 2001-01-29 lars brinkhoff <lars@nocrew.org>
6260 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
6262 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
6263 Jeff Law <law@redhat.com>
6265 * pa.md (return): Revise comment for trivial return.
6266 (return_internal): Non-trivial return pattern for non-PIC code.
6267 (return_internal_pic): Non-trivial return pattern for PIC code.
6268 It uses the PIC register to ensure it is restored after
6270 (epilogue): Generate appropriate return for PIC and non-PIC code.
6272 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
6274 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
6276 2001-01-29 DJ Delorie <dj@redhat.com>
6278 * combine.c (if_then_else_cond): Pass the correct mode to
6279 operand_subword() for constants.
6281 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
6283 * config/i386/cygwin.h: Add w32api to include search. Search different
6284 directories in a cross-build environment.
6286 2001-11-29 Tim Josling <tej@melbpc.org.au>
6288 * tree.h (TYPE_STUB_DECL): Add documentation.
6290 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
6292 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
6293 (sdbout_field_types): Likwise. Fix use of host_integerp.
6295 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
6297 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
6300 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
6302 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
6303 to use flag_gnu_linker.
6305 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
6307 * cpplib.c (T_BAD_DIRECTIVE): Remove.
6308 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
6310 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
6312 * tree.c, tree.h (build_parse_node): Remove; was identical to
6314 * c-lang.c (start_cdtor), objc/objc-act.c
6315 (build_module_descriptor): Use build_nt instead of
6318 2001-01-29 Jakub Jelinek <jakub@redhat.com>
6320 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
6321 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
6322 not have any upper bits set.
6324 2001-01-29 Phil Edwards <pme@sources.redhat.com>
6326 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
6328 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6330 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
6332 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
6334 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
6335 (integer_minus_one_node): Define.
6337 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
6339 * Makefile.in (bootstrap2-lean): Fix typo.
6341 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
6343 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
6344 : Don't set fe_value.
6345 * cpplib.h (AVOID_LPASTE): New flag.
6346 (struct cpp_hashnode): Remove fe_value.
6347 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
6348 * cppmacro.c (builtin_macro): Don't set flags here.
6349 (replace_args): Set AVOID_LPASTE flag on first token of an
6350 argument, and the token following it.
6351 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
6352 macro expansion, and on the token following it. Do it for
6354 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
6356 2001-01-27 Richard Henderson <rth@redhat.com>
6358 * config/alpha/t-ieee: Remove multilibbing.
6359 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
6361 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6363 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
6365 * Makefile.in: Remove all dependencies on defaults.h.
6366 * builtins.c: Don't include defaults.h.
6367 * c-common.c: Likewise.
6368 * c-decl.c: Likewise.
6369 * c-pragma.c: Likewise.
6370 * c-typeck.c: Likewise.
6371 * combine.c: Likewise.
6373 * frame-ia64.c: Likewise.
6374 * cppexp.c: Likewise.
6375 * crtstuff.c: Likewise.
6376 * dbxout.c: Likewise.
6377 * dwarf2out.c: Likewise.
6378 * dwarfout.c: Likewise.
6379 * emit-rtl.c: Likewise.
6380 * except.c: Likewise.
6382 * final.c: Likewise.
6383 * frame-dwarf2.c: Likewise.
6384 * libgcc2.c: Likewise.
6385 * optabs.c: Likewise.
6386 * profile.c: Likewise.
6387 * sdbout.c: Likewise.
6388 * toplev.c: Likewise.
6389 * tradcif.y: Likewise.
6391 * varasm.c: Likewise.
6393 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6395 * builtins.c (expand_builtin_fputs): Use size_one_node when
6396 transforming into fwrite.
6398 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
6400 * extend.texi (Attribute Syntax): New section.
6402 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6404 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
6405 they didn't need fixing.
6407 2001-01-27 Janis Johnson <janis@us.ibm.com>
6409 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
6411 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
6412 to remove macro definitions that are duplicated from elfos.h.
6414 2001-01-27 Richard Henderson <rth@redhat.com>
6416 * config/i386/sco5gas.h: Move ...
6417 * config/usegas.h: ... here.
6418 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
6420 2001-01-27 Jakub Jelinek <jakub@redhat.com>
6422 * c-typeck.c (struct constructor_stack): Add range_stack member.
6423 (really_start_incremental_init): Clear it.
6424 (push_init_level): Save constructor_range_stack and clear it if
6425 pushing explicit braces.
6426 (pop_init_level): abort if constructor_range_stack is non-zero at
6427 explicit closing brace. Restore saved constructor_range_stack if
6430 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6432 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
6433 into register was forced into memory.
6435 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
6437 * Makefile.in: Remove uses of + before $(MAKE).
6439 2001-01-26 Richard Henderson <rth@redhat.com>
6441 * stmt.c (cost_table): Remove.
6442 (COST_TABLE, cost_table_initialized): New.
6443 (estimate_case_costs): Use the later instead of the former.
6444 (balance_case_nodes): Likewise.
6446 2001-01-26 Richard Henderson <rth@redhat.com>
6448 * alias.c (objects_must_conflict_p): Read-only slots may not
6449 conflict despite having the same type.
6451 2001-01-27 Michael Hayes <mhayes@redhat.com>
6453 * loop.c (loop_giv_reduce_benefit): Copy mode size into
6455 (check_ext_dependant_givs): Initialise u_start_val and
6457 (load_mems): Make last_max_reg unsigned.
6458 (try_swap_copy_prop): Use INSN_P and initialise set.
6460 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
6462 * README.AVR : Removed.
6464 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
6466 * pa-64.h (text_section): Remove declaration.
6468 * pa.md (return_internal): Remove mode on PIC register use.
6470 2001-01-25 lars brinkhoff <lars@nocrew.org>
6472 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
6473 ASM_CLOSE_PAREN): fix typos.
6475 2001-01-25 Mark Mitchell <mark@codesourcery.com>
6477 * acconfig.h: Define `const' to the empty string if neither
6478 __STDC__ nor __cplusplus is defined.
6479 * config.in: Regenerated.
6481 2001-01-25 David Edelsohn <edelsohn@gnu.org>
6483 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
6484 * collect2.c (main): Delete importf. Add ".obj" file extension.
6485 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
6486 (aix_std_libs): Add additional AIX libraries to skip.
6487 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
6488 * config/rs6000/aix51.h: New file.
6490 2001-01-25 Michael Hayes <mhayes@redhat.com>
6492 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
6493 (loop_insn_emit_before): No longer static.
6494 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
6495 (loop_givs_rescan, load_mems): Likewise.
6496 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
6497 (maybe_eliminate_biv_1):
6498 (move_movables): Replace emit_call_insn_before with
6499 loop_call_insn_hoist.
6500 * loop.h (loop_insn_emit_before): Add.
6501 * unroll.c (copy_loop_body): Replace emit_insn_before with
6502 loop_insn_emit_before.
6504 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
6506 * diagnostic.c (fatal): Request preprocessed source.
6508 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
6510 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
6511 olddecl has argument types and newdecl has none, use the argument
6514 2001-01-24 Ulrich Drepper <drepper@redhat.com>
6516 * dwarf2out.c (prefix_of): New function. Determine longest common
6517 prefix of the two arguments. The units are whole path components.
6518 (output_file_names): When adding a new directory find the one entry
6519 with the longest common prefix already in the list. Artificially
6520 generate entry if there is none for this prefix.
6521 Fix test to check whether the zeroth directory entry is used.
6523 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
6525 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
6526 Changed all callers. Take it into account when deciding if a
6527 previously loaded value matches.
6529 2001-01-24 Richard Henderson <rth@redhat.com>
6531 * reload.c (find_reloads_subreg_address): Fail the substitution
6532 if the resulting address is insufficiently aligned.
6534 2001-01-24 DJ Delorie <dj@redhat.com>
6536 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
6537 check the original operand's mode also.
6538 * simplify-rtx.c (simplify_ternary_operation): Ditto.
6540 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6542 * c-parse.in (cast_expr): Move compound literals from here ...
6543 (primary): ... to here. Use standard terminology "compound
6544 literal" instead of "constructor expression".
6546 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
6548 * gcc.1, cpp.1: Regenerate.
6550 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
6552 * calls.c (emit_library_call_value_1): Memory slot for
6553 pass-by-reference argument should have the mode of the argument,
6554 not of the pointer to it.
6556 2001-01-24 Tom Tromey <tromey@redhat.com>
6558 * gcc.texi (G++ and GCC): Mention gcj manual.
6559 (Standards): Link to section of manual mentioning gcj/Java
6562 2001-01-24 Jakub Jelinek <jakub@redhat.com>
6564 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
6565 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
6566 * tradcpp.c (main): Add -imacros or -include'd dependencies
6568 * cpp.texi (-M, -MM): Document -M -include behaviour.
6570 2001-01-24 Roger Collins <roger@ProProject.com>
6572 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
6574 2001-01-24 Will Cohen <wcohen@redhat.com>
6576 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
6577 whether registers are 32 bits or 64 bits in size.
6579 2001-01-24 Ben Elliston <bje@redhat.com>
6581 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
6583 2001-01-24 Richard Henderson <rth@redhat.com>
6585 * config/alpha/alpha.md (builtin_longjmp_internal): New.
6586 (builtin_longjmp): Use it instead of emit_indirect_jump.
6588 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
6590 * bb-reorder.c (make_reorder_chain_1): Handle case where
6591 jump edge goes to the same block as the fallthru edge.
6593 2001-01-23 Jim Wilson <wilson@redhat.com>
6595 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
6596 * frame.h (__ia64_personality_v1): Add prototype.
6597 * libgcc2.c (ia64_throw_helper): Change personality declaration to
6598 prototype form. Add void * cast to first argument to personality
6600 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
6601 (asctoe113): Likewise.
6602 * config/ia64/frame-ia64.c: Include eh-common.h.
6603 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
6605 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
6607 (itanium_split_issue): Add prototype.
6608 (gen_nop_type): Ifdef out.
6609 (find_best_packet): Initialize best_packet.
6610 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
6612 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
6613 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
6614 (flushrs): Add explicit stop bit at end.
6615 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
6618 2001-01-23 Chris Demetriou <cgd@broadcom.com>
6620 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
6622 * libgcc2.c (__terminate_func): Make variable static.
6623 (__terminate_set_func): New function to set __terminate_func.
6624 * libgcc2.h (__terminate_func_ptr): New typedef.
6625 (__terminate_set_func): New function.
6627 2001-01-23 Richard Henderson <rth@redhat.com>
6629 * flow.c (init_propagate_block_info): Don't consider unchanging
6630 memories for dead frame store elimination.
6632 2001-01-23 Richard Henderson <rth@redhat.com>
6634 * varasm.c (UNIQUE_SECTION): Move default implementation ...
6635 * defaults.h: ... here.
6637 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6639 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
6641 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
6643 * c-lex.c (lex_charconst): Fix typo: s/p/str.
6645 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6647 * rs6000.h (rs6000_return_addr): Move prototype from here...
6648 * rs6000-protos.h (rs6000_return_addr): ...to here.
6649 (rs6000_init_expanders): Delete prototype.
6651 2001-01-23 Nick Clifton <nickc@redhat.com>
6653 * invoke.texi: Replace , with \, inside @gccoptlist macros.
6654 (Spec Files): Document %B and %j and %. and %v3 and %M and
6655 %{S*&T} spec switches.
6657 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6659 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
6661 2001-01-23 Chris Demetriou <cgd@sibyte.com>
6662 Neil Booth <neil@daikokuya.demon.co.uk>
6664 * cpperror.c: Merge handlers of PEDWARN and WARNING.
6665 Have -Werror make pedantic warnings errors, like the
6668 2001-01-23 Phil Edwards <pme@sources.redhat.com>
6670 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
6672 2001-01-23 Jakub Jelinek <jakub@redhat.com>
6674 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
6675 * integrate.c (expand_inline_function): Initialize them.
6676 (subst_constants): If changing COMPARE so that both its arguments
6677 will be VOIDmode and the comparison mode will be lost, note
6678 compare_mode. Use the recorded compare_mode to optimize
6681 2001-01-23 Jason Merrill <jason@redhat.com>
6683 * dwarf2out.c (new_die): Use xcalloc.
6684 (output_die): Abort rather than emit a local reference to offset 0.
6686 2001-01-17 Andrew Haley <aph@redhat.com>
6688 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
6689 of a saved register; return NULL instead.
6690 (copy_reg): Take a pointer to a source register rather than a
6692 (next_stack_level): Remember the address in the stack frame of all
6694 Use the saved register pointer array as the source of the CFA.
6695 (throw_helper): Rewrite. Unwind once rather than twice and keep
6696 track of saved registers as we go.
6698 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6700 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
6701 * c4x.c (c4x_legitimize_reload_address): Remove.
6702 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
6703 reload address for ldp(k) insn.
6705 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
6707 * pa.md (return_internal): Add a USE of the PIC register to ensure
6708 it is restored after each call.
6709 (return expander): Corresponding changes.
6711 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6713 * rs6000.h (INIT_EXPANDERS): Delete.
6714 (RETURN_ADDR_RTX): Call rs6000_return_addr().
6715 * rs6000.c (rs6000_override_options): Call *_machine_status from
6717 (rs6000_init_expanders): ...instead of here. Delete.
6718 (rs6000_mark_machine_status): New function.
6719 (rs6000_init_machine_status): Use xcalloc.
6720 (rs6000_return_addr): Generate RTX for the return address.
6721 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
6722 (rs6000_stack_info): Use it.
6724 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
6726 * gthr-win32.h: Include errno.h to get a declaration for
6727 EINVAL and _mingw.h if the target is mingw32.
6729 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
6731 * cpp.texi: Correct typos.
6733 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6735 * explow.c (probe_stack_range): Ensure value passed to
6736 stack_check_libfunc is ptr_mode, not Pmode.
6738 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
6740 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
6741 case, don't use operand_subword to calculate a SUBREG that is
6744 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
6746 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6748 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
6749 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
6750 valid. If not replace it by equivalent insns.
6752 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
6754 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
6755 contains SYMBOL_REF, LABEL_REF and CONST_INT.
6756 (c4x_U_constraint, symbolic_address_operand): Likewise.
6757 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
6759 (c4x_r11_set_p, c4x_check_laj_p): New functions.
6760 * c4x-protos.h (c4x_check_laj_p): Add prototype.
6761 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
6762 anulling slot because of silicon bug.
6763 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
6765 2001-01-22 Alan Modra <alan@linuxcare.com.au>
6767 * cppexp.c (parse_charconst): Change `mask' type to agree
6770 2001-01-21 Richard Henderson <rth@redhat.com>
6772 * config/i386/i386.c (ix86_asm_file_end): Disable putting
6773 pic_label_name in a linkonce section.
6775 2001-01-17 Philipp Thomas <pthomas@suse.de>
6777 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
6779 * configure: Regenerate.
6781 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
6783 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
6784 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
6786 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
6788 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
6789 If REVERSE nonzero then condition code in X must be reversed.
6790 (encode_section_info): Optimise if/else.
6791 (avr_function_value): Fix formatting.
6793 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
6794 (difficult_branch): Likewise.
6795 (rvbranch): Likewise.
6796 (difficult_rvbranch): Likewise.
6798 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
6800 * config/avr/libgcc.S: Fix comment.
6802 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6804 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
6806 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6808 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
6810 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
6812 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
6813 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
6814 * configure, config.in: Regenerate.
6815 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
6816 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
6817 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
6818 (doprint.o): New rule.
6820 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
6822 * c-typeck.c (digest_init): Handle boolean types as scalars.
6824 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6826 * stmt.c (expand_return): Don't return anything if size is zero.
6827 Delete redundant assignment to BYTES.
6828 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
6830 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
6832 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
6833 the same as the default library function names.
6834 * config/avr/avr.md: Document special characters after '%'.
6835 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
6836 knowing which of the call-used registers are really clobbered.
6837 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
6838 New. Both quotient and remainder from one libgcc.S call.
6839 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
6840 clobber as few registers as possible.
6841 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
6843 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
6845 * cppmacro.c (funlike_invocation_p): Don't move back up to the
6846 context of the top of the stack.
6848 2001-01-20 Jakub Jelinek <jakub@redhat.com>
6850 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
6851 (fixup_var_refs_insns): ...here.
6853 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
6855 * function.c (fixup_var_refs_insns): Break up into
6856 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
6857 [loop over entire insn list], and fixup_var_refs_insns_with_hash
6858 [loop over hash table entries].
6859 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
6860 fixup_var_refs_insns_with_hash, to match above changes.
6862 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
6864 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
6865 (libgcc.a): Likewise.
6866 (stmp-multilib): Likewise.
6867 (STAGE2_FLAGS_TO_PASS): Likewise.
6869 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
6871 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
6872 temporary if no_new_pseudos.
6874 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
6876 * cppinternals.texi: Update.
6878 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
6880 * arm.c (arm_init_builtins): Re-enable builtins.
6882 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6884 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
6885 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
6886 element to be null, and always expect an EXPR_LIST.
6887 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
6888 * sched-deps.c (sched_analyze_1): Likewise.
6889 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6891 * regclass.c (max_set_parallel): New variable.
6892 (reg_scan): Take it into account in computation of max_parallel.
6893 (reg_scan_mark_refs, case SET): Compute it.
6895 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
6897 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
6898 * function.c (assign_parms): Use INTVAL for a CONST_INT.
6900 2001-01-19 Jason Merrill <jason@redhat.com>
6902 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
6903 for the abstract instance of an inline function.
6905 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
6906 J"orn Rennecke <amylaar@redhat.com>
6908 * reload1.c (move2add_note_store): Treat all registers directly or
6909 indirectly derived from a base register as members of the same set
6911 (reload_cse_move2add): Adjust accordingly. Take mode and offset
6912 of base register into account.
6914 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
6916 * alias.c (find_base_value): Recognize TRUNCATE.
6917 (record_set): In PLUS case, invalidate if other summand is also a
6920 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6922 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
6923 entry to be EXPR_LIST.
6924 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
6925 be an EXPR_LIST (but not null, which other code doesn't allow).
6926 (note_stores): Properly handle PARALLEL in SET.
6927 Recursively call for top-level PARALLEL.
6928 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
6929 * sched-rgn.c (check_live_1, update_live_1): Likewise.
6931 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
6933 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
6935 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
6936 not pfile->skipping (== 0).
6938 2001-01-17 Nick Clifton <nickc@redhat.com>
6940 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
6943 2001-01-17 Jim Wilson <wilson@redhat.com>
6945 * invoke.texi (IA-64 options): Improve.
6947 2001-01-17 Tom Tromey <tromey@redhat.com>
6949 * invoke.texi (Optimize Options): Use `{}' to around @samp
6952 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
6954 * invoke.texi (-fno-guess-branch-probability): New option.
6956 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6958 * combine.c (try_combine): Don't set i3_subst_into_i2 for
6959 case of making new double-word constant.
6960 Revert last change: instead just test i3_subst_into_i2.
6962 2001-01-17 Jakub Jelinek <jakub@redhat.com>
6964 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
6965 Use q constraints instead of r.
6967 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
6969 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
6970 (machine_function): Define.
6971 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
6972 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
6973 pa_free_machine_status): New functions.
6974 (override_options): Set {init,mark,free}_machine_status to above.
6975 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6976 PIC_OFFSET_TABLE_REGNUM_SAVED.
6977 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
6978 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
6979 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
6980 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
6981 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
6983 2001-01-15 DJ Delorie <dj@redhat.com>
6985 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
6989 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * flow.c (propagate_on_insn): Make trying to delete a prologue
6992 or epilogue insn an ICE, not a warning. Allow doing this if
6993 the current function returns with stack pointer depressed.
6995 * combine.c (try_combine): If i3_subst_into_i2, properly check for
6996 I3 having more than one SET.
6998 2001-01-16 Jim Wilson <wilson@redhat.com>
7000 * invoke.texi: Document IA-64 options.
7002 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
7003 (fixup_errata): Delete TARGET_A_STEP use.
7004 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
7005 (TARGET_SWITCHES): Delete -ma-step option.
7006 * config/ia64/ia64.md (all FP patterns): Delete %B0.
7007 (movqicc_astep, movqi_internal_astep, movhicc_astep,
7008 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
7009 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
7010 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
7011 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
7013 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
7014 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
7015 cmovsi_internal): Delete ! TARGET_A_STEP check.
7017 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7019 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
7020 possibility to report bugs via postal mail. Change a URL and
7021 merge in a nearly duplicate statement...
7022 (Bug Reporting): ...from here.
7023 (Service): Refer to the Bug Reporting section instead of
7025 (Contributing): Remove trivial explanations concerning snapshots.
7027 2001-01-16 Alan Modra <alan@linuxcare.com.au>
7029 * cppmain.c (general_init): Don't use ANSI prototype.
7031 2001-01-16 Tom Tromey <tromey@redhat.com>
7033 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
7035 2001-01-16 Richard Henderson <rth@redhat.com>
7037 * config/i386/i386.h: Fix comment typo.
7038 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
7039 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
7041 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7043 * gcc.c: Revert previous -fsyntax-only-related change; move
7046 2001-01-16 Jakub Jelinek <jakub@redhat.com>
7048 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
7049 inmode after checking GET_CODE (op).
7051 2001-01-16 Richard Henderson <rth@redhat.com>
7053 * flow.c (struct propagate_block_info): Add mem_set_list_len.
7054 (MAX_MEM_SET_LIST_LEN): New.
7055 (propagate_one_insn): Update mem_set_list_len.
7056 (invalidate_mems_from_autoinc): Likewise.
7057 (invalidate_mems_from_set): Likewise.
7058 (mark_used_regs): Likewise.
7059 (init_propagate_block_info): Likewise. Stop collecting memories
7060 when we reach MAX_MEM_SET_LIST_LEN.
7061 (mark_set_1): Likewise.
7063 2001-01-16 Richard Henderson <rth@redhat.com>
7065 * unroll.c (precondition_loop_p): Fail if no iteration
7068 2001-01-16 Phil Edwards <pme@sources.redhat.com>
7070 * gcc.c: When -fsyntax-only is given, do not complain about
7073 2001-01-15 Richard Henderson <rth@redhat.com>
7075 * config/i386/i386.c (asm_output_function_prefix): Remove.
7076 (ix86_asm_file_end): New.
7077 (load_pic_register): Generate pic_label_name into a
7078 staticly allocated buffer.
7079 * config/i386/i386-protos.h: Update.
7080 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
7081 (ASM_FILE_END): New.
7082 * config/i386/i386afe.h: New file.
7083 * config.gcc (i?86-*-elf) [tm_file]: Use it.
7084 (i?86-*-{freebsd,linux*,moss*}): Likewise.
7085 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
7086 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
7087 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
7088 * config/i386/sco5.h (ASM_FILE_END): Likewise.
7089 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
7091 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
7093 * Makefile.in (install-man): Remove explicit dependency on
7096 * configure.in, configure: Revert previous patch requiring perl
7099 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
7101 * toplev.c (flag_guess_branch_prob): New.
7102 (f_options): Add guess-branch-probability option.
7103 (rest_of_decl_compilation): Only estimate branch probability if
7105 (main): set flag_guess_branch_prob.
7107 * flags.h (flag_guess_branch_prob): New.
7109 2001-01-15 DJ Delorie <dj@redhat.com>
7111 * gcc.texi (Makefile): Add documentation for Makefile targets.
7113 2001-01-15 Philip Blundell <philb@gnu.org>
7115 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
7117 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
7118 (is_pic): Delete declaration.
7119 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
7120 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
7121 * config/arm/arm.md (builtin_setjmp_receiver): New.
7123 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7125 * arm.c (use_return_insn): Don't try to determine the function type
7126 until after reload has completed.
7127 (arm_output_epilogue): Don't adjust the sp value recovered from the
7129 (emit_multi_reg_push): Don't record dwarf information for the pc.
7130 * arm.md (eh_epilogue): The function type may have changed, so it
7131 needs to be recalculated.
7132 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
7133 unwind tables on arm/netbsd.
7135 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7137 * arm.md (cbranchsi4): Correct calculation of branch ranges.
7138 (negated_cbranchsi4): Likewise.
7140 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
7142 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
7143 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7144 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
7145 pass -mapcs-* options to assembler.
7146 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
7147 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
7148 (ASM_SPEC): Call subtarget_extra_asm_spec.
7150 2001-01-15 Andreas Jaeger <aj@suse.de>
7152 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
7154 (ix86_expand_builtin): Likewise.
7156 * gencodes.c (output_predicate_decls): Make i size_t to avoid
7157 warning about comparison between signed and unsigned.
7159 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7161 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
7163 2001-01-14 Ralf Baechle <ralf@gnu.org>
7165 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
7166 SUBTARGET_CPP_SPEC apropriatly.
7168 2001-01-12 Mark Mitchell <mark@codesourcery.com>
7170 * varasm.c (make_decl_rtl): Fix typo in last change.
7172 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
7174 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
7175 linker supports the init_priority C++ attribute.
7176 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
7177 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
7178 linker does not support init_priority C++ attribute.
7180 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
7182 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
7184 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7186 * c-parse.in (finish_parse): Add comment about cpp_destroy.
7187 * cp/lex.c (finish_parse): Similarly.
7188 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
7189 Return the number of errors encountered.
7190 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
7191 * cppmain.c (main): Don't call cpp_destroy.
7193 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
7195 * configure.in: Require at least perl 5.6.0 to regenerate
7197 * configure: Regenerate.
7199 2001-01-14 Richard Henderson <rth@redhat.com>
7201 * genrecog.c (DT_veclen_ge): New.
7202 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
7203 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
7204 (nodes_identical_1): Handle DT_veclen_ge.
7205 (write_cond, debug_decision_2): Likewise.
7207 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7209 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
7211 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
7213 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
7215 * cppmain.c (do_preprocessing): New function; most of the old
7217 (main): Call it to do most of the work.
7218 (cb): Move from global scope to set_callbacks ().
7219 (setup_callbacks): Get the callback pointer.
7220 (general_init, printer_init): Clean up code and comments.
7222 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
7224 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
7227 2001-01-14 Kazu Hirata <kazu@hxi.com>
7229 * config/h8300/h8300.c (get_shift_alg): Update comments.
7231 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7233 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
7234 (alloc_page, ggc_alloc): Add casts to remove warnings.
7236 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
7238 * combine.c (simplify_comparison): Don't change `code' when
7239 can't reverse comparison.
7241 2001-01-14 Richard Henderson <rth@redhat.com>
7243 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
7244 update all call sites. Return true for all non-label constants.
7246 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
7248 * i386.c (ix86_expand_compare): Add bypass_test and second_test
7250 (ix86_expand_branch): Update.
7251 (ix86_expand_setcc): Update to handle multiple test conditions.
7252 (expand_int_movcc): Likewise.
7253 (expand_fp_movcc): Likewise.
7254 * i386-protos.h (ix86_expand_compare): New.
7255 * i386.md (andqi_?_slp, orqi_?_slp): New.
7256 (conditional trap expander): Update call to ix86_expand_compare.
7258 2001-01-14 Richard Henderson <rth@redhat.com>
7260 * config/vax/vax.md: Use nonimmediate_operand instead of
7261 general_operand in destinations.
7263 * config/vax/vax.md (indirect_jump): Use register_operand.
7265 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
7266 * config/vax/vax.md (call_pop): Turn into an expander.
7267 (call_value_pop): Likewise.
7268 (call, call_value): New.
7270 2001-01-14 Andreas Jaeger <aj@suse.de>
7272 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
7274 (ix86_fp_compare_mode): Add unused attribute.
7275 (ix86_expand_fp_movcc): Remove unused variable.
7276 (ix86_expand_builtin): Make fcode unsigned.
7278 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
7279 (expand_expr): Add cast to avoid signed warning.
7280 (store_field): Likewise.
7281 (store_constructor_field): Likewise.
7282 (store_constructor): Likewise.
7283 (store_expr): Likewise.
7284 (clear_storage): Likewise.
7285 (emit_group_store): Likewise.
7286 (emit_group_load): Likewise.
7288 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7290 * c-common.c: Move format checking code to ...
7291 * c-format.c: ... here. New file. Reorder some functions and
7293 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
7295 * c-common.h (decl_handle_format_attribute,
7296 decl_handle_format_arg_attribute): Declare.
7297 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
7298 (c-common.o): Adjust dependencies.
7299 (c-format.o): New list of dependencies.
7301 2001-01-13 Jakub Jelinek <jakub@redhat.com>
7303 * unroll.c (loop_iterations): If we cannot prove iteration variable
7304 is set once in each iteration, punt.
7306 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
7308 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
7309 (*strlenhi): Remove clobber (which was buggy) of output address.
7311 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7313 * Makefile.in (generated-manpages): Add gcc.1
7314 ($(srcdir)/gcc.1): New target.
7315 (maintainer-clean): Delete $(srcdir)/gcc.1.
7316 * gcc.texi: Add macros @gccoptlist and @gol.
7317 * invoke.texi: Include option summary in manpage. Mark up option
7318 summary with @gccoptlist and @gol. Use @r in one place where
7320 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
7321 * gcc.1: Generate from invoke.texi.
7323 2001-01-13 Richard Henderson <rth@redhat.com>
7325 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
7326 (struct page_entry): Add group member.
7327 (struct page_group): New.
7328 (struct globals): Add page_groups member.
7329 (alloc_anon): Only define for using mmap; remove valloc call.
7330 (page_group_index): New.
7331 (set_page_group_in_use): New.
7332 (clear_page_group_in_use): New.
7333 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
7334 (free_page, release_pages): Likewise.
7335 * configure.in (with-gc): Default to ggc-page always.
7337 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7339 * reload1.c (replace_pseudos_in_call_usage): Use
7340 reg_equiv_constant and reg_equiv_address, and don't try
7341 regno_reg_rtx first.
7343 2001-01-13 Richard Henderson <rth@redhat.com>
7345 * ggc-page.c (alloc_page): Round up allocation size to one page.
7346 Set e->order on extra pages.
7348 2001-01-13 Richard Henderson <rth@redhat.com>
7350 * genrecog.c (nodes_identical): Expand commentary.
7351 (write_switch): Watch out for identical nodes.
7353 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7355 * cppfiles.c (_cpp_fake_include): New function.
7356 * cpphash.h (_cpp_fake_include): New.
7357 * cpplib.c (do_line): Call _cpp_fake_include when entering
7358 header files in preprocessed input.
7359 * cppmain.c (cb_pragma_implementation): Remove handling.
7360 (setup_callbacks): Don't register pragmas.
7362 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7364 * extend.texi: Udate for CPP.
7366 2001-01-13 Andreas Jaeger <aj@suse.de>
7368 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
7370 * regmove.c: Add prototype for replace_in_call_usage.
7372 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7374 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
7375 struct cpp_chunk, struct htab, struct toklist,
7376 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
7377 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
7378 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
7379 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
7380 (struct macro_args): Delete.
7381 * cpphash.h: See above.
7383 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7385 * cppmain.c (struct printer): Remove no_line_dirs.
7387 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
7388 : Use options rather than CPP_OPTION.
7389 (setup_callbacks): Use cb rather than pfile->cb.
7390 (main): No need to check for a buffer. Use cpp_errors.
7391 (printer_init): Don't set no_line_dirs.
7392 (maybe_print_line): Use options not no_line_dirs.
7393 (cb_file_change): Don't call print_line if -P.
7395 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7397 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
7399 * c-parse.in (finish_parse): Use cpp_errors.
7400 (__yylex): Use return value of cpp_pop_buffer.
7401 * cp/lex.c (finish_parse): Use cpp_errors.
7402 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
7404 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
7406 * README.AVR: URLs corrected.
7408 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * c-decl.c (start_function): Don't warn if old prototype is builtin
7411 that's not in C's namespace.
7412 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
7413 (_bb): Add prototype for ctime.
7414 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
7416 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
7418 * i386.c (ix86_fp_comparison_arithmetics_cost,
7419 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
7420 ix86_fp_comparison_cost): New functions.
7421 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
7422 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
7423 two-branch sequences; make static.
7424 (ix86_use_fcomi_compare): Do decision according to the costs.
7425 (split_fp_branch): New.
7426 * i386.md (compare-and-branch patterns): Use split_fp_branch.
7427 * i386-protos.h (ix86_expand_fp_compare): Remove
7428 (ix86_split_fp_branch): Declare.
7430 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
7431 and ix86_comparison_operator.
7433 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
7436 * i386.c (put_condition_code): Output properly the unordered/ordered
7437 compares in fp case.
7438 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
7440 * tm.texi (REVERSE_CONDITION): Document.
7441 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
7442 in -ffast-math mode.
7443 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
7445 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
7447 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
7449 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
7452 * config/sh/sh.c (mova_p): Fix test for mova_const.
7454 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7456 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
7457 cpp_get_options rather than dereferencing pfile and using
7459 * scan-decls.c (scan_decls): Use return value of
7460 cpp_pop_buffer rather than CPP_BUFFER.
7462 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
7464 * cppinit.c (cpp_handle_option): help_only is now part of the
7465 cpp_options structure.
7466 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
7467 cpp_set_callbacks): New functions.
7468 * cpplib.h (cpp_callbacks): Break out as a named structure.
7469 (cpp_options): Move help_only here from cpp_reader.
7470 (CPP_FATAL_ERRORS): Update to use cpp_errors.
7471 (cpp_errors, cpp_get_options, cpp_get_callbacks,
7472 cpp_set_callbacks): New prototypes.
7473 * cppmain.c (main): Update for help_only.
7475 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
7477 * Makefile.in (info, maintainer-clean, install-info, uninstall):
7478 Also build and remove and install and uninstall c-tree.info and
7480 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
7481 ($(srcdir)/cppinternals.info): New target.
7482 * c-tree.texi: Change file name used when makeinfo used without -o
7483 from ir.info to c-tree.info. Add info directory entry.
7484 * cppinternals.texi: Add info directory entry.
7485 * .cvsignore: Update.
7487 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7489 * c-typeck.c (store_init_value): Don't require constant initializer
7490 elements with -pedantic -std=c99.
7491 (digest_init): Change error about non-constant initializer elements
7493 (constructor_range_end): Remove.
7494 (constructor_incremental, designator_depth,
7495 designator_errorneous): New variables.
7496 (struct constructor_stack): Remove range_end, add incremental.
7497 (struct constructor_range_stack, constructor_range_stack): New.
7498 (struct initializer_stack): Add constructor_range_stack.
7499 (finish_init): Set it.
7500 (start_init): Likewise. require_constant_elements for non-static
7501 trees only if not flag_isoc99.
7502 (really_start_incremental_init): Remove constructor_range_end, add
7503 constructor_incremental.
7504 (pop_init_level): Likewise.
7505 (push_init_level): Likewise. If implicit and the subobject had some
7506 value set already, preinitialize the level with it.
7507 Warn about missing braces only if not pushing due to designators.
7508 (set_designator, push_range_stack): New functions.
7509 (set_init_label): Use them.
7510 (set_init_index): Likewise. Remove constructor_range_end.
7511 Error if designator index is outside of array bounds.
7512 (add_pending_init): Compare values of purpose index trees, not the
7513 trees themselves. Allow overwriting of already initialized element.
7514 Issue a warning if it had side-effects.
7515 (set_nonincremental_init, set_nonincremental_init_from_string): New
7517 (pending_init_member): Rename to...
7518 (find_init_member): ...this function. Call set_nonincremental_init
7519 if necessary. Compare values of purpose index trees, not the trees
7520 themselves. Return the actual value, not just non-zero if something
7522 (output_init_element): Remove checks for duplicates.
7523 If field has zero size, only check the initializer for correctness.
7524 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
7525 if constructor_incremental is zero. Change error about initializers
7526 not computable at load time into pedwarn.
7527 (output_pending_init_elements): Compare bit positions, not
7528 FIELD_DECLs to take into account zero-sized fields.
7529 (process_init_element): Use constructor_range_stack to fill all
7530 ranges in the designator lists from current level up.
7531 * extend.texi: Update documentation for labeled elements.
7533 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
7535 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
7536 to function usage for arguments passed by reference. Optimize
7537 callee-copied arguments.
7538 * regmove.c (replace_in_call_usage): New function.
7539 (fixup_match_1): Call it.
7540 * cse.c (cse_insn): Canonicalize registers in function usage.
7541 * reload1.c (replace_pseudos_in_call_usage): New function.
7544 * Makefile.in: Reverted yesterday's wrong patch. Installed the
7547 2001-01-12 Jakub Jelinek <jakub@redhat.com>
7549 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
7552 2001-01-12 DJ Delorie <dj@redhat.com>
7554 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
7555 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
7558 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7560 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
7561 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
7562 -std options alongside references to -ansi. Update some
7563 documentation for C99.
7564 * cpp.1: Regenerate.
7566 2001-01-12 Andreas Jaeger <aj@suse.de>
7568 * haifa-sched.c (restore_line_notes): Remove argument block B
7570 * sched-ebb.c (schedule_ebb): Change caller.
7571 * sched-rgn.c (schedule_region): Likewise.
7572 * sched-int.h (restore_line_notes): Adjust prototype.
7574 * loop.h: Remove wrong declaration of doloop_condition_get.
7576 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7578 * extend.texi: Move C++-extension-related node from the C section
7579 into the C++ section.
7581 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
7583 * extend.texi: Refer to an array of pointers to functions instead
7584 of one of functions.
7586 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
7587 Jan Hubicka <jh@suse.cz>
7589 * combine.c (reversed_comparison): Fix typo in last patch.
7591 (combine_reversed_comparison_code): Make static to follow
7592 prototype declaration.
7594 2001-01-12 Phil Edwards <pme@sources.redhat.com>
7596 * install.texi: Remove misplaced duplicate entry.
7598 2001-01-11 Ulrich Drepper <drepper@redhat.com>
7600 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
7602 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
7604 * final.c: (leaf_function_p): Fix typo.
7606 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
7608 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
7609 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
7611 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
7612 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
7613 mmap_anon, and valloc is available.
7614 * ggc-page.c: Restructure ifdef logic to match new autoconf
7615 spec. Don't throw away the test page in init_ggc.
7617 * configure, config.in: Regenerate.
7619 2001-01-12 Michael Hayes <mhayes@redhat.com>
7621 * loop.h (total_biv_increment): Constify iv_class pointer.
7622 (struct induction): Replace `mem_mode' with `mem' rtx.
7623 * unroll.c (total_biv_increment): Constify iv_class pointer.
7624 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
7625 (find_mem_givs, combine_givs_p): Likewise.
7626 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
7628 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
7630 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
7632 (__gthread_getspecific): Ditto.
7634 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
7636 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
7637 put_condition_code): Convert fp comparison codes to integer
7639 (ix86_expand_fp_compare): Postnote the fp comparison code converison
7642 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
7643 * i386-protos.h (no_comparison_operator): Kill.
7645 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
7647 * combine.c (REVERSIBLE_CC_MODE): Remove.
7648 (reversible_comparison_p): Remove.
7649 (combine_reversed_comparison_code): New.
7650 (reversed_comparison): New.
7651 (combine_simplify_rtx): Use
7652 combine_reversed_comparison_code/reversed_comparison instead
7653 of reversible_comparison_p.
7654 (simplify_if_then_else): Likewise.
7655 (simplify_set): Likewise.
7656 (simplify_logical): Likewise.
7657 (if_then_else_cond): Likewise.
7658 (known_cond): Likewise.
7659 (simplify_comparison): Likewise.
7661 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
7663 * builtins.c (std_expand_builtin_va_start): Handle varargs when
7664 sizeof (int) is larger than sizeof(__word__).
7666 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7668 * cppinit.c (do_includes): Fix typo.
7670 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7672 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
7673 in S_REGS does not occur because not all sources are possible
7674 when a S_REGS is a destination (sometimes needs a clobber).
7675 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
7676 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
7677 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
7678 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
7679 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
7680 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
7681 (lshrdi_const1, lshrsi3_const16): Likewise.
7682 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
7683 (*movhi_68hc12, *movqi_68hc12): Likewise.
7684 (movstrictqi): Make sure reloading in D_REGS as a destination
7687 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7689 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
7691 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7693 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
7694 -D, -U and -A, and don't initialize the builtins.
7695 (do_includes): Error if -include or -imacros with -fpreprocessed.
7696 * cppmain.c (cb_define, cb_undef): Unconditionally process
7698 * tradcpp.c (main): Fix typo.
7700 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
7702 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
7703 (read_name_map): Use IS_ABSOLUTE_PATH.
7704 * tradcpp.c (get_filename): Likewise.
7706 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
7708 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
7709 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
7710 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
7711 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
7712 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
7713 (cmphi_z_used): Don't use '@' for the output.
7714 (tstqi_z_used): Likewise.
7715 (cmpqi_z_used): Likewise.
7716 (one_cmplsi2): Likewise.
7718 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7720 * config/sh/sh.c (barrier_align): Recognize branch around far
7721 branch and redundant insn.
7723 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
7725 * invoke.texi: Restore documentation of the drivers' switches -MD
7728 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
7730 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
7732 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
7733 check-objc//%): Support parallel testing of multilibs.
7734 (TESTSUITEDIR): Set to testsuite by default, but override for
7736 (check-gcc, check-g++, check-g77, check-objc): Enter
7739 2001-01-11 Bernd Schmidt <bernds@redhat.com>
7741 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
7742 * sched-deps.c (deps_may_trap_p): Likewise.
7743 * basic-block.h: Remove a comment.
7744 * flow.c (PROP_POSTRELOAD): Remove.
7745 (update_life_info): Don't add it to prop_flags.
7746 (mark_set_1): Lose the code that was enabled by it.
7748 2001-01-11 Michael Hayes <mhayes@redhat.com>
7750 * flow.c (flow_call_edges_add): New.
7751 * basic_block.h (flow_call_edges_add): New.
7753 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
7755 * reload1.c (move2add_note_store): Update reg_set_luid even if
7756 base reg remains the same.
7758 2001-01-10 Nick Clifton <nickc@redhat.com>
7760 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
7761 machine_function structure to zero.
7762 Add prototypes for machine_status functions.
7764 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7766 * c-common.h (CTI_VOID_LIST): Remove.
7767 (void_list_node): Likewise.
7768 * tree.h (TI_VOID_LIST_NODE): New enumeral.
7769 (void_list_node): New macro.
7770 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
7771 * config/i386/i386.c (ix86_init_builtins): Likewise.
7772 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
7774 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7776 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
7777 * cppinit.c (cpp_start_read): Update comment, remove unneeded
7779 * tradcpp.c: Include mkdeps.h.
7780 (deps, print_deps_phony_targets, deps_append, output_deps,
7781 init_dependency_output, output_deps): New.
7782 (deps_buffer, deps_allocated_size, deps_size, deps_column,
7783 deps_output): Delete.
7784 (print_deps_missing_files): Rename deps_missing_files.
7785 (inhibit_output): Make global.
7786 (main): Delete inhibit_output, deps_stream, deps_target.
7787 Use mkdeps functionality in the same way as cpplib. Remove
7788 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
7789 -M and -MM. Remove old handling of deps via deps_out, and
7790 old reading of environment variables.
7791 (get_filename): Update to use deps_add_dep.
7793 2001-01-10 Mark Mitchell <mark@codesourcery.com>
7795 * output.h (make_function_rtl): Remove prototype.
7796 (make_decl_rtl): Likewise.
7797 * varasm.c (make_function_rtl): Remove.
7798 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
7799 than from a third parameter.
7800 * tree.h (make_decl_rtl): Remove last parameter.
7801 * c-decl.c (builtin_function): Remove last argument in call to
7802 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
7803 (start_function): Likewise.
7804 * except.c (call_get_eh_context): Likewise.
7805 * expr.c (emit_block_move): Likewise.
7806 (clear_storage): Likewise.
7807 * profile.c (output_func_start_profiler): Likewise.
7808 * toplev.c (rest_of_decl_compilation): Likewise.
7809 * objc/objc-act.c (create_builtin_decl): Likewise.
7810 (synth_module_prologue): Likewise.
7811 (generate_static_reference): Likewise.
7812 (build_selector_reference_decl): Likewise.
7813 (build_class_reference_decl): Likewise.
7814 (build_objc_string_decl): Likewise.
7815 (build_protocol_reference): Likewise.
7817 2001-01-10 Richard Henderson <rth@redhat.com>
7819 * hwint.h: Revert yesterday's change.
7821 2001-01-10 Nick Clifton <nickc@redhat.com>
7823 * function.h (save_machine_status): Delete.
7824 (restore_machine_status): Delete.
7825 Amend comment describing {init|mark|free}_machine_status.
7827 * function.c (save_machine_status): Delete.
7828 (restore_machine_status): Delete.
7829 Amend comment describing {init|mark|free}_machine_status.
7830 (push_function_context_to): Remove invocation of
7831 save_machine_status.
7832 (pop_function_context_from): Remove invocation of
7833 restore_machine_status.
7835 * emit-rtl.c (init_emit_once): Amend comment describing
7836 {init|mark|free}_machine_status.
7838 * tm.texi (Per-Function Data): New node. Describe the
7839 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
7842 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7844 * cppinit.c (OPT_g): Remove.
7845 (cpp_handle_option): Update for removed -g3.
7846 (print_help): Update.
7847 * cpplib.h (struct cpp_options): Remove debug_output.
7848 * cppmain.c (setup_callbacks, cb_define): Update.
7849 * gcc.c (cpp_options): Translate -g3 to -dD.
7851 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
7853 * config/i960/i960.md: Change modifier to + on the zero_extract
7854 pattern after the (rotate -2 reg) canonicalization pattern.
7856 2001-01-10 Richard Henderson <rth@redhat.com>
7858 * config/alpha/alpha.c (alpha_free_machine_status): New.
7859 (override_options): Install it.
7860 (alpha_mark_machine_status): Verify machine non-null.
7861 * config/i386/i386.c (ix86_free_machine_status): New.
7862 (override_options): Install it.
7863 (ix86_init_machine_status): Use xcalloc.
7864 (ix86_mark_machine_status): Verify machine non-null.
7865 * config/ia64/ia64.c (ia64_free_machine_status): New.
7866 (ia64_override_options): Install it.
7867 (ia64_mark_machine_status): Verify machine non-null.
7869 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
7871 * function.c (instantiate_virtual_regs): Instantiate virtual
7872 registers found in CALL_INSN_FUNCTION_USAGE.
7874 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7876 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
7877 equivalent to -ansi in disabling -Di386.
7879 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
7881 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
7883 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
7885 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
7887 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
7889 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7891 * invoke.texi: Document that -fcond-mismatch isn't supported for
7894 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
7896 * gcc.texi: Define macro gcctabopt.
7897 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
7898 @command, @env and @option in some places where appropriate. Use
7899 @gcctabopt where appropriate. Put URLs and email addresses inside
7902 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
7904 * gcc.c (cpp_options): Set MD file name from output
7905 filename, if specified.
7906 (suffix_subst): New static variable.
7907 (do_spec): Clear it.
7908 (do_spec_1, case '.'): Handle new `%.suffix' spec.
7910 (give_switch): Handle suffix_subst.
7912 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7914 * invoke.texi: Fix another typo.
7916 2001-01-10 Phil Edwards <pme@sources.redhat.com>
7918 * invoke.texi: Fix typo.
7920 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
7922 * c-lang.c (lang_hooks): Update.
7923 (lang_decode_option): Remove.
7924 (lang_init_options): Rename c_init_options.
7925 * toplev.c (main): Use lang_hooks for lang_init_options
7926 and lang_decode_option.
7927 * toplev.h (lang_hooks): Add 2 new hooks.
7928 * tree.h: Remove lang_init_options and lang_decode_option.
7929 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
7930 * cp/decl2.c: Similarly.
7931 * cp/lex.c (lang_init_options): Rename cxx_init_options.
7932 (lang_hooks): Update.
7933 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
7935 (lang_init_options): Rename ffe_init_options.
7936 (lang_hooks): Update.
7937 (lang_decode_option): Remove.
7938 * java/lang.c (lang_init_options): Rename java_init_options.
7939 (lang_decode_option): Rename java_decode_option.
7940 (lang_hooks): Update.
7941 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
7942 (lang_decode_option): Rename objc_decode_option.
7943 (lang_hooks): Update.
7945 2001-01-09 Nick Clifton <nickc@redhat.com>
7947 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
7948 (d30v_return_addr_rtx): Delete.
7949 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
7950 cfun->machine structure.
7951 (struct machine_function): Move to d30v.h
7952 (d30v_save_machine_status): Delete.
7953 (d30v_restore_machine_status): Delete.
7954 (d30v_init_machine_status): New Function.
7955 (d30v_mark_machine_status): New Function.
7956 (d30v_free_machine_status): New Function.
7957 (d30v_init_expanders): Use new functions.
7958 (d30v_return_addr): Use ra_rtx field in cfun->machine.
7959 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
7960 d30v_return_addr_rtx.
7962 * config/d30v/d30v.h (struct_machine): Move here.
7963 Add eh_epilogue_sp_ofs field.
7965 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
7966 field in cfun->machine structure.
7968 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
7970 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
7971 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
7972 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
7974 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
7976 * objc/lang-options.h: Remove bogus reference to
7979 2001-01-09 Kazu Hirata <kazu@hxi.com>
7981 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
7984 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
7986 * reload.c (find_reloads_address): Check for eliminable registers
7987 when substituting a constant expression for a pseudo.
7989 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
7991 * c-common.c (enum format_type): Add format_type_error.
7992 (decode_format_type): New function.
7993 (decl_attributes): Use it.
7994 (format_kind_info): Adjust comment.
7996 2001-01-09 David O'Brien <obrien@BSDi.com>
7998 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
7999 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
8001 * config/i386/gnu.h: Don't include required platform specific .h files,
8002 tm.h will do it instead.
8003 * config/i386/i386elf.h: Likewise.
8004 * config/i386/linux.h: Likewise.
8005 * config/i386/moss.h: Likewise.
8006 * config/mips/gnu.h: Likewise.
8008 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8010 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
8011 (rs6000-ibm-aix3.[01]*): Likewise.
8012 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
8013 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
8014 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
8015 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
8016 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
8017 (powerpc-*-eabiaix*): Likewise.
8018 (powerpc-*-eabisim*): Likewise.
8019 (powerpc-*-elf*): Likewise.
8020 (powerpc-*-eabi*): Likewise.
8021 (powerpc-*-rtems*): Likewise.
8022 (powerpc-*-linux*libc1): Likewise.
8023 (powerpc-*-linux*): Likewise.
8024 (powerpc-wrs-vxworks*): Likewise.
8025 (powerpcle-wrs-vxworks*): Likewise.
8026 (powerpcle-*-sysv*): Likewise.
8027 (powerpcle-*-elf*): Likewise.
8028 (powerpcle-*-eabisim*): Likewise.
8029 (powerpcle-*-eabi*): Likewise.
8030 (powerpcle-*-solaris2*): Likewise.
8031 * config/rs6000/aix31.h: Delete includes.
8032 * config/rs6000/aix3newas.h: Likewise.
8033 * config/rs6000/aix41.h: Likewise.
8034 * config/rs6000/aix43.h: Likewise.
8035 * config/rs6000/beos.h: Likewise.
8036 * config/rs6000/rtems.h: Likewise.
8037 * config/rs6000/sysv4.h: Likewise.
8039 2001-01-09 Kazu Hirata <kazu@hxi.com>
8041 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
8042 Change an argument mode of machine_mode to shift_mode of
8043 shift_mode. Remove an extra error check.
8044 (emit_a_shift): Adopt to the new calling prototype of
8046 (function_prologue): Fix code for a monitor
8047 function. Support H8/S.
8048 (function_epilogue): Do not output pop for a monitor function.
8050 2001-01-09 Nick Clifton <nickc@redhat.com>
8052 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
8053 (setup_incoming_varargs): Use sysv_varargs_p field of the
8054 cfun->machine structure.
8055 (struct machine_function): Move to rs6000.h
8056 (rs6000_save_machine_status): Delete.
8057 (rs6000_restore_machine_status): Delete.
8058 (rs6000_init_machine_status): New Function.
8059 (rs6000_free_machine_status): New Function.
8060 (rs6000_init_expanders): Use new functions.
8062 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
8064 (struct machine_function): Move here.
8066 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
8067 sysv_varargs_p field of the cfun->machine structure.
8069 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
8071 (rs6000_restore_machine_status): Remove prototype.
8073 2001-01-09 Richard Henderson <rth@redhat.com>
8075 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
8076 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
8077 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
8078 (sched_analyze_2, sched_analyze_insn): Likewise.
8079 (sched_analyze, init_deps): Likewise.
8080 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
8081 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
8082 (compute_block_backward_dependences): Update propagate_deps call.
8084 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
8086 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
8088 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8090 * cppinit.c (OPT_MD, OPT_MMD): Restore.
8091 (cpp_handle_option): Handle them.
8092 (cpp_post_options): Ensure one of -M or -MM is specified with
8093 any other -M? option.
8094 (init_dependency_output): Suppress output with -MG.
8096 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8099 * invoke.texi: Update.
8101 2001-01-09 Bernd Schmidt <bernds@redhat.com>
8103 * sh.md (reload_outsf): Generate recognizable patterns for
8106 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
8108 * c-lang.c (lang_hooks): Update.
8109 (lang_init): Rename c_init.
8110 (lang_finish): Remove.
8111 * toplev.c (compile_file): Use lang_hooks for lang_init ()
8113 * toplev.h (lang_hooks): Add init () and finish ().
8114 * tree.h (lang_init, lang_finish): Remove.
8115 * cp/tree.h (lang_init, lang_finish): Remove.
8116 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
8117 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
8119 (lang_init, lang_finish): Remove.
8120 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
8121 (lang_hooks): Update.
8122 * java/lang.c (lang_init): Rename java_init.
8123 (lang_finish): Remove.
8124 (lang_hooks): Update.
8125 * objc/objc-act.c (lang_init): Rename objc_init.
8126 (lang_finish): Remove.
8127 (lang_hoooks): Update.
8129 20001-01-09 Graham Stott <grahams@redhat.com>
8131 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
8132 after `ptr` is initialised.
8134 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8136 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
8137 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
8138 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
8139 stack adjusts, instead of r3.
8141 2001-01-09 Michael Hayes <mhayes@redhat.com>
8143 * flow.c (flow_loop_scan): Break out of ...
8144 (flow_loops_find) ... here.
8145 * basic-block.h (flow_loop_scan): New.
8146 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
8147 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
8149 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
8151 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
8153 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
8154 realloc()ing macro_buffer.
8156 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
8157 if it's wider than long and the target's long is wider than the
8160 2001-01-09 Mark Mitchell <mark@codesourcery.com>
8162 Remove support for using UWIN as a host machine.
8163 * configure.in: Issue an error message.
8164 * configure: Regenerated.
8165 * config.gcc: Remove xm_* UWIN configury.
8166 * config/i386/xm-uwin.h: Remove.
8168 2001-01-08 Nick Clifton <nickc@redhat.com>
8170 * config/v850/v850.c (ra_rtx): Delete.
8171 (v850_save_machine_status): Delete.
8172 (v850_restore_machine_status): Delete.
8173 (v850_init_machine_status): New function.
8174 (v850_mark_machine_status): New function.
8175 (v850_free_machine_status): New function.
8176 (v850_return_addr): Use ra_rtx field in machine structure.
8177 (v850_init_expanders): Use new functions.
8179 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
8180 * config/v850/v850.c: Change arguments to v850_output+* functions
8181 to take a const char *, to avoid compile time warning.
8182 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
8183 (USER_LABEL_PREFIX): Redefine.
8185 2000-01-08 Jim Wilson <wilson@redhat.com>
8187 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
8188 1 to unsigned HOST_WIDE_INT before left shift.
8190 2001-01-08 Nick Clifton <nickc@redhat.com>
8192 * config/arm/arm.c (arm_mark_machine_status): Check to see if
8193 the machine structure has been allocated.
8194 (arm_free_machine_status): New function: Free the machine
8195 specific function structure.
8197 2001-01-08 Richard Henderson <rth@redhat.com>
8199 * jump.c (simplejump_p): Revert last change.
8201 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
8203 * cppinit.c (init): Rename init_library.
8204 (cpp_create_reader): Update.
8205 * gcc.c (cpp_options): If -o given, use it as the target of
8208 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8210 * arm.c (arm_arch5e): New variable.
8211 (all_cores): XScale is a 5TE device.
8212 (arm_override_options): Set arm_arch5e.
8213 (arm_init_builtins): __builtin_prefetch is in arch5e.
8214 * arm.h (arm_arch5e): Declare it.
8216 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
8218 * arm.md (define_constants): Add defines for UNSPEC and
8219 UNSPEC_VOLATILE insns. Update all users.
8220 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
8221 * arm.c (multi_register_push, note_invalid_constants)
8222 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
8223 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
8224 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
8226 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
8228 * jump.c (jump_optimize_1): Use reversed_comparison_code
8229 instead of can_reverse_comparison_p.
8230 (jump_back_p): Likewise.
8231 (invert_exp_1): Likewise.
8232 (thread_jumps): Likewise.
8233 * simplify-rtx.c (simplify_unary_operation): Likewise.
8234 (simplify_ternary_operation): Likewise.
8235 * cse.c (find_comparison_args): Convert to use
8236 can_reverse_comparison_p.
8237 (record_jump_equiv): Likewise.
8239 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
8241 * arm.h (HARD_REGNO_RENAME_OK): Delete.
8242 (EPILOGUE_USES): Define.
8243 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
8244 automatically stack the LR if it isn't live.
8246 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
8248 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
8251 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
8253 * ggc-page.c (max_alignment): New structure.
8254 (MAX_ALIGNMENT): New macro.
8255 (init_ggc): Use it to round up the sizes in the
8256 extra_order_size_table.
8258 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8260 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
8263 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8265 * builtins.def (BUILT_IN_FPRINTF): New entry.
8267 * c-common.c (c_expand_builtin_fprintf): New function.
8268 (init_function_format_info): Handle __builtin_fprintf.
8269 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
8270 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
8272 * c-decl.c (duplicate_decls): Adjust comment.
8274 * extend.texi (fprintf): Document new builtin.
8276 2001-01-07 Richard Henderson <rth@redhat.com>
8278 * jump.c (simplejump_p): Recognize any single_set jump
8281 2001-01-07 Richard Henderson <rth@redhat.com>
8283 * configure.in (slibdir): Accept an --with-slibdir option.
8284 Use "test" not "[" in configure. Default to $(libdir).
8286 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
8288 * config/t-aix43 (SHLIB_INSTALL): Likewise.
8289 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
8290 (SHLIB_LINK): Create links for the soname.
8291 * config/mips/t-iris6: Likewise.
8292 * config/sparc/t-slibgcc: Likewise.
8293 * config/sparc/t-slibgcc-sld: Likewise.
8295 2001-01-07 Jakub Jelinek <jakub@redhat.com>
8297 * config/i386/i386.c (constant_call_address_operand): Accept
8298 (const (plus (symbol_ref) (const_int))).
8299 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
8300 constant_call_address_operand.
8302 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8304 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
8305 and LONG_LONG_TYPE_SIZE > 32.
8307 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8309 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
8310 the previous change.
8312 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
8314 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
8316 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
8317 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
8318 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
8321 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8323 * fix-header.c (read_scan_file): s/pfile/scan_in/.
8325 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8327 * c-lang.c (c_post_options): Call cpp_post_options.
8328 * objc/objc-act.c (objc_post_options): Similarly.
8329 * cppmain.c (main): Similarly.
8330 * fix-header.c (read_scan_file): Similarly.
8331 * cppinit.c (cpp_start_read): Move option consistency checks
8332 to cpp_post_options. Don't call init_dependency_output.
8333 If needed, add default target and main file dependency.
8334 (OPT_MD, OPT_MMD): Remove.
8336 (cpp_handle_option): Update for OPT_* changes.
8337 (cpp_post_options): New.
8338 (init_dependency_output): Command line -MF overrides environment
8339 variables. Don't set default target etc. Suppress output
8340 if dependencies are going to stdout.
8341 (print_help): Update.
8342 * cpplib.h (cpp_post_options): New.
8343 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
8345 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
8347 * jump.c (comparison_dominates_p): Support unordered compares.
8349 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
8351 * simplify-rtx.c (simplify_relational_operation): Always simplify
8352 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
8355 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
8357 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
8358 (nonzero_bits): Likewise.
8359 (simplify_comparison): Likewise.
8360 (num_sign_bit_copies): Likewise; return more sane value depending
8361 on STORE_FLAG_VALUE.
8362 (known_cond): Do not assume EQ to be always true for equivalent
8365 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
8367 * cse.c (fold_rtx): Handle unordered comparisons.
8369 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
8371 * rtlanal.c (set_of_1): New static function.
8372 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
8373 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
8374 reg_set_last_last_regno): Remove.
8375 (set_of): New global function.
8376 (set_of_data): New structure.
8377 (reg_set_p, reg_set_last): Revamp for set_of.
8378 * rtl.h (set_of): New.
8380 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
8382 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
8383 * extend.texi: Document _Exit builtin.
8385 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8387 * (initialize, initialize_builtins,
8388 initialize_dependency_output, initialize_standard_includes):
8389 Rename s/initialize/init. Update.
8390 (init_dependency_output): Move to after
8391 cpp_handle_options, the correct location temporally at least.
8392 (opt_comp): Move next to init (), its caller. Fix prototype.
8393 (init): Make "initialized" local scope.
8394 (cpp_create_reader): Always call init ().
8395 (cpp_start_read): Update.
8396 (output_deps): New function, broken out of cpp_finish.
8397 (cpp_finish): Break out output_deps.
8399 2001-01-07 Richard Henderson <rth@redhat.com>
8401 * collect2.c (COFF specific stuff): Revert 12-06 patch
8402 to prototype system functions.
8404 2001-01-07 Michael Hayes <mhayes@redhat.com>
8406 * hard-reg-set.h: Add multiple include guard.
8407 * basic-block.h (struct loop): Add `sink' field.
8408 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
8409 (emit_iv_add_mult): Delete.
8410 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
8411 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
8412 (unroll_loop): Remove end_insert_before argument.
8413 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
8414 (maybe_eliminate_biv_1): Likewise.
8415 (emit_iv_add_mult): Delete.
8416 (gen_add_mult, loop_regs_update): New.
8417 (loop_insn_emit_after, loop_insn_emit_before): New.
8418 (loop_insn_sink, loop_insn_sink_or_swim): New.
8419 (emit_iv_add_mult): Delete.
8420 (scan_loop): Set loop->sink.
8421 (loop_givs_reduce): Use loop_insn_sink and its ilk.
8422 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
8423 (maybe_eliminate_biv_1): Likewise.
8424 (maybe_eliminate_biv_1): Add basic block argument.
8425 * unroll.c (unroll_loop): Remove end_insert_before argument.
8426 (find_splittable_regs): Likewise.
8427 (find_splittable_regs): Use loop_insn_sink and its ilk.
8428 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
8430 2001-01-07 Michael Hayes <mhayes@redhat.com>
8432 * loop.h (loop_insn_hoist): New prototype.
8433 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
8434 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
8435 (check_dbra_loop, load_mems): Likewise.
8436 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
8437 (find_splittable_givs): Likewise.
8439 2001-01-07 Michael Hayes <mhayes@redhat.com>
8441 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
8443 2001-01-07 Richard Henderson <rth@redhat.com>
8445 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
8447 2001-01-07 Richard Henderson <rth@redhat.com>
8449 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
8450 NO_SHARED_LIBGCC_MULTILIB as required for the target.
8451 * gcc.c (init_spec): Massage the existing libgcc_spec into a
8452 variant that handles a shared libgcc.
8453 (process_command): Always validate -{static,shared}-libgcc.
8454 (do_spec_1): New 'M' case.
8455 * invoke.text (Link Options): Document -{static,shared}-libgcc.
8457 2001-01-07 Richard Henderson <rth@redhat.com>
8459 * Makefile.in (slibdir): New variable.
8460 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
8461 (installdirs): Create slibdir.
8462 (install-libgcc, install-multilib): Defer to libgcc.mk.
8463 * configure.in (slibdir): Substitute.
8464 * mklibgcc.in (install): New target.
8466 * config/t-linux (SHLIB_LINK): Create links for the soname.
8467 (SHLIB_INSTALL): New.
8468 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
8469 * config/mips/t-iris6 (SHLIB_INSTALL): New.
8470 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
8471 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
8472 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
8474 2001-01-07 Richard Henderson <rth@redhat.com>
8476 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
8477 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
8478 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
8480 2001-01-07 Michael Hayes <mhayes@redhat.com>
8482 * loop.c (count_loop_regs_set): Delete.
8483 (load_mems_and_recount_loop_regs_set): Delete.
8484 (loop_regs_scan): Merge common code from count_loop_regs_set,
8485 scan_loop, and load_mems_and_recount_loop_regs_set.
8486 (scan_loop): Call load_mems directly and loop_regs_scan
8487 again if new registers created.
8489 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8491 * toplev.c (main): Call the front-end specific post_options
8492 hook if one is given.
8493 * toplev.h (struct_lang_hooks, lang_hooks): New.
8494 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
8495 for the C front end.
8496 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
8497 lang_hooks for the C++ front end.
8498 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
8499 lang_hooks for the ObjC front end.
8500 * f/com.c (lang_hooks): Hooks for the Fortran front end.
8501 * java/lang.c (lang_hooks): Hooks for the Java front end.
8503 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
8505 * c-lex.c (init_c_lex): Request #define / #undef callbacks
8506 for verbose DWARF[2] debugging.
8507 (cb_define, cb_undef): The new callbacks.
8508 * toplev.h (debug_define, debug_undef): Make const correct.
8509 * toplev.c (debug_define, debug_undef): Similarly. Do not
8510 perform the verbosity tests here anymore.
8512 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
8514 * reload.c (subst_reloads): Take INSN argument. When
8515 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
8516 * reload.h (subst_reloads): Adjust prototype.
8517 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
8518 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
8519 present in JUMP_INSNs and copy them to JUMP_LABEL.
8520 * flow.c (find_label_refs, find_basic_blocks_1): Skip
8521 JUMP_INSNs and insns with REG_LABELs that are followed by
8522 JUMP_INSNs with the same REG_LABEL.
8523 * sched-rgn.c (is_cfg_nonregular): Likewise.
8524 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
8526 * unroll.c (unroll_loop): Look for REG_LABEL notes in
8528 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
8530 2001-01-06 Richard Henderson <rth@redhat.com>
8532 * loop.c (scan_loop): Use xcalloc for the regs array.
8533 (load_mems_and_recount_loop_regs_set): Zero the new memory
8534 received from xrealloc.
8536 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
8538 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
8540 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
8542 * integrate.c (copy_rtx_and_substitute): When copying
8543 an ignored return value, strip REG_FUNCTION_VALUE_P.
8545 2001-01-06 Michael Hayes <mhayes@redhat.com>
8547 * loop.c (debug_biv, debug_giv): New.
8548 (loop_biv_dump): Break out from ...
8549 (record_biv): ... here.
8550 (loop_giv_dump): Break out from ...
8551 (record_giv): ... here.
8552 (loop_bivs_check): Use print_simple_rtl.
8553 * unroll.c (loop_iterations): Use print_simple_rtl.
8555 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
8557 * pa.md (return, return_internal): Modify patterns to prevent regrename
8558 mucking with the return pointer.
8560 2001-01-05 Richard Henderson <rth@redhat.com>
8562 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
8564 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
8566 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
8567 version supplied by Matteo Frigo.
8569 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8571 * cpp.texi: Update for -MQ.
8572 * cppinit.c (cpp_create_reader): Always create pfile->deps.
8573 (cpp_cleanup): Always free pfile->deps.
8574 (initialize_dependency_output): Don't create pfile->deps.
8575 (cpp_handle_option): Similarly.
8577 * gcc.c (cpp_options): Handle -MQ.
8578 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
8579 * mkdeps.c (base_name): Remove.
8580 (deps_init): Don't allocate vector space until it's needed.
8581 (deps_free): Only free vectors if allocated.
8582 (deps_add_target, deps_add_dep): Update for initial allocation.
8583 (deps_add_default_target): Don't strip to the base_name.
8585 2001-01-05 DJ Delorie <dj@redhat.com>
8587 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
8588 (INIT_EXPANDERS): Define.
8590 * config/v850/v850.c (struct machine_function): Define.
8591 (v850_save_machine_status): New function.
8592 (v850_restore_machine_status): New function.
8593 (v850_return_addr): New function.
8594 (v850_init_expanders): New function.
8596 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
8597 and v850_init_expanders.
8599 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8601 * cpplib.h (struct cpp_reader): Add help_only field.
8602 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
8603 (cpp_handle_option): Set pfile->help_only if we see -h,
8604 --help, -target-help, or --version. Print version string but
8605 do not set help_only if we see -v or -version. Make text
8606 printed by -v match that printed by (-)-version.
8608 * cppmain.c (main): Exit after option parsing if
8609 pfile->help_only is true.
8611 * toplev.c (independent_decode_option): Call print_version,
8612 then exit, if we see --version (but not -version).
8613 (print_version): Split lengthy message into two lines.
8615 2001-01-05 Nick Clifton <nickc@redhat.com>
8617 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
8618 temporary string for initialisation before calling ggc_alloc_string.
8620 2001-01-06 Michael Hayes <mhayes@redhat.com>
8622 * rtl.h (print_simple_rtl): New.
8623 * print-rtl.c (print_simple_rtl): New.
8625 (print_rtx): Disable printing of flags and modes, etc.,
8626 if `flag_simple` nonzero.
8628 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
8630 * function.c (fixup_var_refs): Use push_to_full_sequence where
8633 2001-01-05 Michael Meissner <meissner@redhat.com>
8635 * flags.h (flag_reorder_blocks): Add declaration.
8636 (flag_rename_block): Ditto.
8638 2001-01-05 DJ Delorie <dj@redhat.com>
8640 * function.c (reorder_blocks): Make sure the flags are all reset
8641 before using them to mark blocks, else a second invocation will
8642 corrupt the block chain.
8643 (reorder_blocks_0): New, resets the flags.
8645 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
8647 * cse.c (find_comparison_args): Stop if the argument is known to
8650 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8652 * config/sh/sh.md (movdf): When splitting load into pair of
8653 registers, don't clobber the register used in the address too
8656 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
8658 * varasm.c (mark_constant_pool): Improve initial comments.
8659 (mark_constants): Move marking of constants to mark_constant.
8660 (mark_constant): New function to recursively mark all constants
8661 referred to by a constant.
8663 2001-01-05 Catherine Moore <clm@redhat.com>
8665 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
8667 2001-01-05 Phil Edwards <pme@sources.redhat.com>
8669 * cp/lang-options.h: Bring comment in line with reality.
8670 * f/lang-options.h: Likewise.
8671 * java/lang-options.h: Likewise.
8672 * objc/lang-options.h: Likewise.
8673 * ch/lang-options.h: Likewise.
8674 * f/g77.texi: And update the manual.
8676 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
8677 Denis Chertykov <denisc@overta.ru>
8679 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
8680 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
8681 * config/avr/avr.md (all peepholes that request a scratch register):
8682 Call it, FAIL the peephole if not safe (in interrupt functions).
8684 2001-01-05 Mark Mitchell <mark@codesourcery.com>
8686 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
8688 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
8690 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
8692 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
8693 BUILT_IN_CREAL and BUILT_IN_CIMAG.
8694 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
8695 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
8696 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
8698 * extend.texi: Document these builtins.
8700 2001-01-05 Daniel Berlin <dberlin@redhat.com>
8702 * c-common.c (lang_get_alias_set): Say we know nothing of
8703 VECTOR_TYPE aliasing.
8705 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
8707 2001-01-05 Bruce Korb <bkorb@gnu.org>
8709 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
8710 their x* equivalent versions for atexit-less systems
8711 * fixinc/fixincl.c(main): do not return from main() on atexit-less
8712 systems (or any other system any more).
8714 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
8716 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
8717 output operands. Use arm_hard_register_operand for operand 4.
8718 (stmsi_postinc): Similarly.
8719 (ldmsi): Use arm_hard_register_operand for opernand 2.
8721 * arm.c (arm_hard_register_operand): New function.
8722 * arm-protos.h (arm_hard_register_operand): Prototype it.
8724 * arm.h (HARD_REGNO_RENAME_OK): Define.
8726 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
8728 * simplify-rtx.c (cfc_args): add "unordered" field.
8729 (check_fold_consts): Set unordered field.
8730 (simplify_relational_operation): Simplify the unordered
8733 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
8736 * emit-rtl.c (try_split): Fix code to mark labels.
8737 * jump.c (mark_jump_label): Make global.
8738 * rtl.h (mark_jump_label): Declare.
8740 * predict.c (estimate_probability): Handle unordred comparisons.
8742 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
8744 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
8745 * cppinit.c (initialize_dependency_output): Update.
8746 (cpp_finish): Output dummy targets for -MP.
8748 (cpp_handle_option): Handle -MP. Don't quote -MT options.
8749 * cpplib.h (struct cpp_options): Add deps_phony_targets.
8750 * gcc.c (cpp_options): Update to handle -MP.
8751 * mkdeps.c (deps_add_target, deps_add_default_target): Update
8752 to quote only the default target.
8753 (deps_phony_targets): Insert a preceding newline. Rename from
8754 deps_dummy_targets for consistency.
8757 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8759 * calls.c (emit_library_call_value_1): Support
8760 INIT_CUMULATIVE_LIBCALL_ARGS.
8761 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
8763 2001-01-04 Richard Henderson <rth@redhat.com>
8765 * c-decl.c (finish_struct): Detect flexible array members
8766 used in an inappropriate context.
8767 * c-typeck.c (really_start_incremental_init): Special case
8768 constructor_max_index for zero length arrays.
8769 (pop_init_level): Allow initialization of flexible array
8770 members. Deprecate initialization of zero length arrays.
8771 Don't issue missing initializer warning for flexible array
8772 members or zero length arrays.
8773 (process_init_element): Don't dereference null DECL_SIZE.
8774 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
8775 Don't abort for empty constructors. Use size_binop
8776 (output_constructor): Add commentary regarding zero length
8777 array futures. Abort if we try to initialize an array of
8778 unspecified length with a non-empty constructor in the middle
8781 * extend.texi (Zero Length): Update and clarify documentation
8782 on static initialization.
8784 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8786 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
8787 with more than 32767 words of local storage.
8789 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8791 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
8792 for 'abs', 'labs', and 'fabs'.
8793 (c4x_expand_builtin): Likewise.
8794 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
8796 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
8798 * config/sh/sh.md (prget, prset): New insn types.
8799 (return delay slot): Dont' allow prset.
8800 (call, sfunc delay slot): Don't allow prget.
8801 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
8802 for prset and prget.
8804 2001-01-05 Michael Hayes <mhayes@redhat.com>
8806 * loop.h (struct loop_reg): New.
8807 (struct loop_regs): Change to use array of `struct loop_reg'.
8808 * loop.c: Replace assortment of varrays with single regs array.
8809 (count_one_set): Delete may_not_move array argument
8810 and use regs array instead. All caller's changed.
8811 (count_loop_regs_set): Delete may_not_move and single_usage
8812 arguments and use regs array instead. All caller's changed.
8813 (find_single_use_in_loop): Replace usage array argument with pointer
8814 to regs structure. All caller's changed.
8815 (loop_optimize): Delete `moved_once' array.
8817 2001-01-05 Michael Hayes <mhayes@redhat.com>
8819 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
8820 Use it instead of loop_info->has_call for scanning loop mems.
8821 (check_dbra_loop): Replace loop_info->has_call test with
8822 loop_info->has_nonconst_call.
8824 2000-01-04 Matthew Hiller <hiller@redhat.com>
8826 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
8829 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8831 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
8832 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
8834 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
8836 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
8837 (flag_short_double, flag_short_wchar): Define.
8838 (c_common_nodes_and_builtins): Create many tree nodes shared
8839 between C and C++ here instead of in cp/decl.c and ...
8840 * c-decl.c (init_decl_processing): ... here.
8841 (SIZE_TYPE, WCHAR_TYPE): Don't define.
8842 (flag_short_double, flag_short_wchar): Don't define.
8843 (record_builtin_type): New function.
8844 (build_void_list_node): New function.
8845 * c-common.h (flag_short_double, flag_short_wchar,
8846 record_builtin_type, build_void_list_node): Declare.
8848 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
8850 * integrate.c (expand_inline_function): Don't put a virtual
8851 register into the reg map.
8853 * function.c (fixup_var_refs_1): If force_operand didn't put
8854 the address into the target, move it there.
8856 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8858 Special-case tree_decl/tree_list allocations.
8859 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
8860 (OBJECT_SIZE): New macro.
8861 (NUM_EXTRA_ORDER): Likewise.
8862 (extra_order_size_table): New variable.
8863 (NUM_ORDERS): New macro.
8864 (objects_per_page_table): New variable.
8865 (object_size_table): New variable.
8866 (G.pages): Use NUM_ORDERS to bound the array.
8867 (G.page_tails): Likewise.
8868 (DIV_ROUND_UP): Remove.
8869 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
8870 (alloc_page): Use OBJECT_SIZE.
8871 (size_lookup): Don't make it const.
8872 (ggc_alloc): Use OBJECT_SIZE.
8873 (ggc_set_mark): Likewise.
8874 (ggc_get_size): Likewise.
8875 (init_ggc): Set up the object_size_table, objects_per_page_table,
8876 and adjust size_lookup.
8877 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
8878 (ggc_pop_context): Use NUM_ORDERS.
8879 (clear_marks): Likewise.
8880 (sweep_pages): Likewise.
8881 (poison_pages): Likewise.
8882 (ggc_print_statistics): Use OBJECT_SIZE.
8884 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8886 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
8887 Only call array_size_for_constructor if last field and array type
8888 with no upper bound.
8890 2001-01-04 Philip Blundell <philb@gnu.org>
8892 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
8893 from bit 31 downwards, if this requires no more insns.
8894 (count_insns_for_constant): New helper function for above.
8896 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
8898 * gencodes.c (output_predicate_decls): Remove empty initializer.
8900 2001-01-04 Mark Mitchell <mark@codesourcery.com>
8902 * tree.c (copy_node): Remove documentation about obstacks.
8903 (buidl1): Check that nobody tries to build 2-argument nodes this
8906 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8908 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
8911 * gencodes.c (output_predicate_decls): Fill empty initializer
8914 2001-01-04 Jakub Jelinek <jakub@redhat.com>
8916 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
8917 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
8919 (do_include): Handle missing headers like cpp0.
8920 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
8921 paths with first include pathname. Don't strcat to uninitialized
8924 2001-01-04 Bernd Schmidt <bernds@redhat.com>
8926 * regrename.c (regrename_optimize): Don't rename from frame pointer
8927 if frame_pointer_needed.
8928 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
8929 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
8930 (ia64_reorg): Use it instead of scheduling if ! optimize.
8931 (errata_emit_nops): Properly call asm_noperands.
8932 (ia64_sched_reorder): Finish cycle if we see an asm.
8933 (ia64_variable_issue): Clear scheduling state after asms.
8935 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
8937 * cpp.texi: Update for -MT.
8938 * cppinit.c (initialize_dependency_output): Add a default
8939 target if none has been given already.
8940 (no_tgt, OPT_MT): New.
8941 (cpp_handle_option): Handle -MT. Update -M etc.
8942 * cpplib.h (struct cpp_options): Remove deps_target.
8943 * gcc.c (cpp_options): Handle -MT.
8944 * mkdeps.c (struct deps): Move from mkdeps.h.
8945 (deps_calc_target): Rename deps_add_default_target. Add a
8946 default target if none has been specified already.
8947 * mkdeps.h (struct deps): Move to mkdeps.c.
8948 (deps_calc_target): Rename deps_add_default_target.
8950 2000-01-03 Richard Henderson <rth@redhat.com>
8952 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
8954 * c-typeck.c (push_init_level): Move checks for flexible array
8955 members and zero length arrays ...
8956 (pop_init_level): ... here. Silently discard empty initializations.
8958 * varasm.c (output_constructor): Update for sizeof change to
8961 * extend.texi (Zero Length): Clarify semantics.
8963 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8965 * configure.in (tm.h): Include isns-codes.h last.
8966 * configure: Rebuilt.
8968 2001-01-03 Richard Henderson <rth@redhat.com>
8970 * config/alpha/alpha.md (addvsi3, addvdi3): New.
8971 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
8973 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8975 * tradcpp.c (main): Make sure finclude() is called with a valid
8976 indepth value while handling -include.
8978 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
8980 * gencodes.c (output_predicate_decls): New function.
8982 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
8983 even if it is not the first time machmode.h is #included.
8984 * config/sh/sh.c (fpul_operand): Declare MODE argument.
8985 * tm.texi (PREDICATE_CODES): Document predicate declarations.
8986 * gcc.texi (Copyright): Added 2001.
8988 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8990 * c-common.c (c_common_lang_init): New function. Warn if format
8991 warning options which only have effects when used with -Wformat
8992 are used without -Wformat.
8993 * c-common.h (c_common_lang_init): Declare.
8994 * c-lang.c (lang_init): Call c_common_lang_init.
8995 * objc/objc-act.c (lang_init): Call c_common_lang_init.
8997 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
8999 * configure.in: Check for the mktemp command.
9000 * configure: Regenerate.
9001 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
9002 $TEMP. Create temporary files with mktemp, if available at
9003 configure time; otherwise use set -C. Remove temporary files
9006 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
9008 * configure.in: Require at least texinfo 4.0. Check for whether
9009 Pod::Man is sufficiently recent to regenerate GCC manpages.
9010 * configure: Regenerate.
9011 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
9013 (GENERATED_MANPAGES): Define.
9014 (generated-manpages): New target. Depend on cpp.1 as well as
9016 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
9017 configure to generated-manpages or empty) rather than on the
9018 manpages directly. Remove execute permission from installed
9019 gcov.1 as well as cpp.1.
9020 * cpp.1, gcov.1: Regenerate.
9022 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9024 * builtins.c (expand_builtin_strncmp): Use host_integerp and
9025 tree_low_cst. Allow using cmpstrsi in more cases.
9027 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9029 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
9032 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
9034 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
9035 * Makefile.in (HOST_CFLAGS): Mention build-make.
9037 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9039 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
9042 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9044 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
9047 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
9050 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
9051 reg_base_value and reg_known_value arrays.
9052 (init_alias_analysis): Add more cases to detect known values.
9053 * sched-deps.c (deps_may_trap_p): New function.
9054 (sched_analyze_2): Use it.
9056 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
9058 * combine.c (simplify_shift_const): Even if we're sign-extracting,
9059 don't discard an ASHIFTRT if we're shifting in a wider mode.
9061 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
9063 * toplev.c (rest_of_compilation): Don't print basic block information
9064 when CFG isn't up to date.
9066 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
9068 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
9069 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
9070 (UNALIGNED_SHORT_ASM_OP): Define.
9071 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
9073 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9075 * fold-const.c (fold_convert): Fix typo.
9077 2001-01-02 Richard Henderson <rth@redhat.com>
9079 * c-common.h (ASM_INPUT_P): New.
9080 * c-parse.in (asm): Set it when needed.
9081 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
9082 existance of an operand.
9084 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
9086 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
9087 (dwarf2out_frame_debug_expr): Likewise.
9088 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
9090 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
9092 * i386.c (ix86_split_to_parts): Return number of part required;
9094 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
9096 (ix86_split_long_move): Use number of part returned
9097 by ix86_split_to_parts
9098 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
9100 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
9101 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
9102 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
9103 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
9104 (ALIGN_MODE_128): Add TFmode.
9105 (IS_STACK_MODE): Likewise.
9106 (HARD_REGNO_NREGS): TFmode needs 3 registers.
9107 (HARD_REGNO_OK): Support TFmodes.
9108 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
9109 * i386.md (scheduler definitions): Use memory operand to determine
9110 fst/fld instructions; use mode attribute to determine real mode of
9112 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
9113 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
9115 2001-01-02 Mark Mitchell <mark@codesourcery.com>
9117 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
9119 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9121 * expr.c (store_constructor_field): Update ALIGN before calling
9124 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9126 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
9129 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
9131 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
9134 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
9136 * c-decl.c (start_function): Don't warn on third parameter to main.
9138 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9140 * tsystem.h: Define HAVE_DECL_GETOPT.
9142 2001-01-02 Philip Blundell <pb@futuretv.com>
9144 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
9147 2001-01-02 Richard Henderson <rth@redhat.com>
9149 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
9151 2001-01-02 Andreas Jaeger <aj@suse.de>
9153 * c-decl.c (c_decode_option): Remove support of
9156 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
9157 (W_options): Add -Wmissing-noreturn here.
9159 * flow.c: Define lang_missing_noreturn_ok_p.
9160 (check_function_return_warnings): Use it.
9162 * c-common.h: Declare lang_missing_noreturn_ok_p.
9164 * c-lang.c (c_missing_noreturn_ok_p): New function.
9165 (lang_init): Set lang_missing_noreturn_ok_p.
9167 * invoke.texi (Warning Options): Document this.
9169 2000-12-27 Phil Edwards <pme@sources.redhat.com>
9171 * extend.texi (C++ Extensions): New node for C++ attributes;
9172 describe init_priority and com_interface.
9173 * invoke.texi: Remove -finit-priority as it now has zero effect.
9174 * install.texi: Fix xref syntax.
9175 * md.texi: Likewise.
9177 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9179 * config.gcc (sparc64-wrs-vxworks*): New case.
9180 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
9182 * config/sparc/sparc.c (sparc_override_options): Do support different
9183 pointer and architecture size.
9184 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
9185 (POINTERS_EXTEND_UNSIGNED): Define.
9186 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
9187 (FUNCTION_MODE): Define to be Pmode.
9188 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
9190 * function.c (expand_function_end): Properly handle DECL_RESULT
9191 and copy when ptr_mode != Pmode.
9192 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
9194 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9196 * c-common.c (c_common_nodes_and_builtins): Set prototype
9197 parameters for __builtin_fputs, __builtin_fputc and
9198 __builtin_fwrite. Don't declare plain fputc as a builtin.
9200 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
9202 * loop.c (add_label_notes): Increment the label usage count when
9203 a note is added to an insn which refers to a CODE_LABEL.
9204 * gcse.c (add_label_notes): Likewise.
9206 2001-01-01 Andreas Jaeger <aj@suse.de>
9208 * loop.c (scan_loop): Use xmalloc to allocate movables.
9210 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
9212 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
9213 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
9214 * reload1.c (REGISTER_MOVE_COST): Likewise.
9215 * regclass.c (REGISTER_MOVE_COST): Likewise.
9216 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
9217 dimension. Adjust all users.
9218 (init_reg_sets_1): Iterate on all modes.
9219 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
9220 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
9221 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
9222 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
9223 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
9224 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
9225 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
9226 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
9227 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
9228 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
9229 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
9230 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
9231 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
9232 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
9233 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
9234 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
9235 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
9236 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
9237 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
9238 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
9239 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
9240 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
9241 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
9242 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
9243 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
9244 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
9245 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
9247 2001-01-01 Bernd Schmidt <bernds@redhat.com>
9249 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
9250 arg VARIES_P. Call it with extra arg.
9251 (true_dependence): Likewise.
9252 * rtl.h (rtx_addr_can_trap_p): Declare.
9253 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
9255 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
9256 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
9257 pic offset table register if it's zero. All callers changed.
9258 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
9260 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9262 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
9263 STRING_POOL_ADDRESS_P.
9265 * config/sparc/sparc.c (input_operand): Properly test for short op.
9267 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
9268 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
9269 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
9270 * config/sparc/elf.h: No longer include sol2.h.
9271 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
9272 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
9274 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
9276 2001-01-01 Michael Hayes <mhayes@redhat.com>
9278 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
9279 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
9280 (record_initial): Likewise.
9281 * unroll.c (copy_loop_body, loop_iterations): Likewise.
9282 (remap_split_bivs): Likewise.
9284 2001-01-01 Michael Hayes <mhayes@redhat.com>
9286 * loop.c (loop_ivs_free): New function.
9287 (strength_reduce): Break out from...
9289 2001-01-01 Michael Hayes <mhayes@redhat.com>
9291 * loop.h (struct iv): New.
9292 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
9293 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
9294 'reg_biv_class' fields with 'regs' and 'n_regs'.
9295 (struct ivs): Rename 'loop_iv_list' field to 'list'.
9296 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
9297 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
9299 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
9301 * resource.c (mark_referenced_resources): Abort() before
9302 attempting to mark a pseudo register.
9303 (mark_set_resources): Likewise.
9305 2001-01-01 Michael Hayes <mhayes@redhat.com>
9307 * loop.h (REG_IV_CLASS): New accessor macro.
9308 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
9309 * unroll.c (REG_IV_CLASS): Likewise.
9311 See ChangeLog.4 for earlier changes.